/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe035_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-05 23:42:40,170 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-05 23:42:40,173 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-05 23:42:40,203 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-05 23:42:40,203 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-05 23:42:40,204 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-05 23:42:40,205 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-05 23:42:40,207 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-05 23:42:40,209 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-05 23:42:40,210 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-05 23:42:40,211 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-05 23:42:40,212 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-05 23:42:40,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-05 23:42:40,213 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-05 23:42:40,214 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-05 23:42:40,216 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-05 23:42:40,216 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-05 23:42:40,217 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-05 23:42:40,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-05 23:42:40,221 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-05 23:42:40,223 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-05 23:42:40,224 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-05 23:42:40,225 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-05 23:42:40,226 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-05 23:42:40,229 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-05 23:42:40,232 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-05 23:42:40,233 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-05 23:42:40,233 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-05 23:42:40,234 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-05 23:42:40,235 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-05 23:42:40,236 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-05 23:42:40,236 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-05 23:42:40,236 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-05 23:42:40,237 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-05 23:42:40,238 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-05 23:42:40,238 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-05 23:42:40,239 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-05 23:42:40,261 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-05 23:42:40,262 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-05 23:42:40,263 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-05 23:42:40,263 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-05 23:42:40,263 INFO L138 SettingsManager]: * Use SBE=true [2020-10-05 23:42:40,264 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-05 23:42:40,264 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-05 23:42:40,264 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-05 23:42:40,264 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-05 23:42:40,264 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-05 23:42:40,264 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-05 23:42:40,265 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-05 23:42:40,265 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-05 23:42:40,265 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-05 23:42:40,265 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-05 23:42:40,265 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-05 23:42:40,266 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-05 23:42:40,266 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-05 23:42:40,266 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-05 23:42:40,266 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-05 23:42:40,266 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-05 23:42:40,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-05 23:42:40,267 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-05 23:42:40,267 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-05 23:42:40,267 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-05 23:42:40,267 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-05 23:42:40,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-05 23:42:40,268 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-05 23:42:40,268 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-05 23:42:40,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-05 23:42:40,560 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-05 23:42:40,564 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-05 23:42:40,565 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-05 23:42:40,566 INFO L275 PluginConnector]: CDTParser initialized [2020-10-05 23:42:40,566 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe035_power.oepc.i [2020-10-05 23:42:40,629 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11bf05858/b86bf7192680402890c1d59ba01578f3/FLAG9a20ff72c [2020-10-05 23:42:41,149 INFO L306 CDTParser]: Found 1 translation units. [2020-10-05 23:42:41,150 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe035_power.oepc.i [2020-10-05 23:42:41,175 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11bf05858/b86bf7192680402890c1d59ba01578f3/FLAG9a20ff72c [2020-10-05 23:42:41,496 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11bf05858/b86bf7192680402890c1d59ba01578f3 [2020-10-05 23:42:41,506 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-05 23:42:41,508 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-05 23:42:41,509 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-05 23:42:41,509 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-05 23:42:41,512 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-05 23:42:41,513 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:42:41" (1/1) ... [2020-10-05 23:42:41,517 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bb00e03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:42:41, skipping insertion in model container [2020-10-05 23:42:41,518 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:42:41" (1/1) ... [2020-10-05 23:42:41,527 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-05 23:42:41,599 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-05 23:42:42,107 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:42:42,119 INFO L203 MainTranslator]: Completed pre-run [2020-10-05 23:42:42,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:42:42,287 INFO L208 MainTranslator]: Completed translation [2020-10-05 23:42:42,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:42:42 WrapperNode [2020-10-05 23:42:42,288 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-05 23:42:42,289 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-05 23:42:42,289 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-05 23:42:42,289 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-05 23:42:42,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:42:42" (1/1) ... [2020-10-05 23:42:42,322 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:42:42" (1/1) ... [2020-10-05 23:42:42,372 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-05 23:42:42,372 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-05 23:42:42,372 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-05 23:42:42,373 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-05 23:42:42,381 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:42:42" (1/1) ... [2020-10-05 23:42:42,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:42:42" (1/1) ... [2020-10-05 23:42:42,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:42:42" (1/1) ... [2020-10-05 23:42:42,389 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:42:42" (1/1) ... [2020-10-05 23:42:42,407 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:42:42" (1/1) ... [2020-10-05 23:42:42,416 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:42:42" (1/1) ... [2020-10-05 23:42:42,421 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:42:42" (1/1) ... [2020-10-05 23:42:42,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-05 23:42:42,429 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-05 23:42:42,429 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-05 23:42:42,429 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-05 23:42:42,430 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:42:42" (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 [2020-10-05 23:42:42,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-05 23:42:42,512 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-05 23:42:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-05 23:42:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-05 23:42:42,513 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-05 23:42:42,514 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-05 23:42:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-05 23:42:42,515 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-05 23:42:42,516 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-05 23:42:42,517 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-05 23:42:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-05 23:42:42,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-05 23:42:42,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-05 23:42:42,523 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-05 23:42:47,303 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-05 23:42:47,304 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-05 23:42:47,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:42:47 BoogieIcfgContainer [2020-10-05 23:42:47,307 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-05 23:42:47,310 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-05 23:42:47,310 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-05 23:42:47,313 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-05 23:42:47,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.10 11:42:41" (1/3) ... [2020-10-05 23:42:47,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43c33e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:42:47, skipping insertion in model container [2020-10-05 23:42:47,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:42:42" (2/3) ... [2020-10-05 23:42:47,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43c33e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:42:47, skipping insertion in model container [2020-10-05 23:42:47,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:42:47" (3/3) ... [2020-10-05 23:42:47,318 INFO L109 eAbstractionObserver]: Analyzing ICFG safe035_power.oepc.i [2020-10-05 23:42:47,328 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-05 23:42:47,329 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-05 23:42:47,340 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-05 23:42:47,340 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-05 23:42:47,387 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,388 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,388 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,389 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,389 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,389 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,389 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,389 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,390 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,390 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,390 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,390 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,391 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,391 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,391 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,391 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,391 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,391 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,392 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,392 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,393 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,393 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,393 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,393 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,393 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,394 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,394 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,394 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,394 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,395 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,395 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,395 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,395 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,395 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,396 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,396 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,396 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,397 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,397 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,397 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,398 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,398 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,398 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,398 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,399 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,399 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,399 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,399 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,399 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,399 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,399 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,400 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,400 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,400 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,400 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,400 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,400 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,401 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,401 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,401 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,401 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,401 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,401 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,401 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,402 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,402 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,402 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,402 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,402 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,404 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,404 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,404 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,404 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,405 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,405 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,405 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,405 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,406 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,406 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,407 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,407 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,407 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,407 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,407 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,407 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,408 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,409 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,409 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,409 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,409 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,410 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,410 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,410 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,410 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,410 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,411 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,411 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,411 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,411 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,411 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,411 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,411 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,412 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,415 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite75| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,416 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,416 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,416 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,422 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,422 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,422 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,422 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite77| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,423 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite76| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,423 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,423 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,423 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,423 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,423 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite75| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,423 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,424 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,424 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,424 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,425 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,425 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,425 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,426 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,426 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,426 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,426 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,426 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,426 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,426 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,428 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,428 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite79| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,428 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,428 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite82| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,428 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite81| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,429 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite80| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,429 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite83| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,429 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,429 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,438 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,439 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,439 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,439 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,439 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,439 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,440 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,440 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,440 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,440 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,440 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,440 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,441 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,441 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,441 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,441 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,444 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,444 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,444 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,445 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,445 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,445 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,445 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,445 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,446 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,446 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,446 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,446 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,446 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,446 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,447 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,447 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,447 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,447 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,447 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,447 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,448 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,448 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,448 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,448 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,448 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,449 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,449 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,449 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,449 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,449 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,449 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,450 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,450 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,450 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,450 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,450 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,450 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,451 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,451 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,452 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,453 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,453 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,453 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite83| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,453 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite82| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,453 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,454 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite81| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,454 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite80| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,454 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,454 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,454 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,454 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,455 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,455 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,455 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,455 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,455 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,455 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,456 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,456 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,456 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,456 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,456 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,457 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,457 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,457 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,457 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,457 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,457 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,458 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,458 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,458 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite79| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,458 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,458 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,459 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,459 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite77| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,459 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite76| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,459 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,459 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite75| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,459 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,460 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:42:47,474 INFO L251 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-05 23:42:47,494 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-05 23:42:47,495 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-05 23:42:47,495 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-05 23:42:47,495 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-05 23:42:47,495 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-05 23:42:47,495 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-05 23:42:47,495 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-05 23:42:47,496 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-05 23:42:47,511 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 105 places, 97 transitions, 209 flow [2020-10-05 23:42:47,513 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 105 places, 97 transitions, 209 flow [2020-10-05 23:42:47,563 INFO L129 PetriNetUnfolder]: 2/94 cut-off events. [2020-10-05 23:42:47,564 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-05 23:42:47,568 INFO L80 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 94 events. 2/94 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 73 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 63. Up to 2 conditions per place. [2020-10-05 23:42:47,572 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 105 places, 97 transitions, 209 flow [2020-10-05 23:42:47,602 INFO L129 PetriNetUnfolder]: 2/94 cut-off events. [2020-10-05 23:42:47,602 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-05 23:42:47,603 INFO L80 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 94 events. 2/94 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 73 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 63. Up to 2 conditions per place. [2020-10-05 23:42:47,606 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1908 [2020-10-05 23:42:47,608 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-05 23:42:47,948 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-05 23:42:48,091 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-10-05 23:42:52,864 WARN L193 SmtUtils]: Spent 4.52 s on a formula simplification. DAG size of input: 388 DAG size of output: 346 [2020-10-05 23:42:52,945 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 9, 4, 8, 2, 7, 4, 4, 2, 2, 1] term [2020-10-05 23:42:52,945 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-05 23:42:52,947 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 4, 3, 4, 2, 2, 2, 1] term [2020-10-05 23:42:52,948 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-05 23:42:52,949 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 4, 2, 2, 2, 1] term [2020-10-05 23:42:52,950 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-05 23:42:52,951 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 4, 2, 1] term [2020-10-05 23:42:52,952 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-05 23:42:52,954 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 4, 1] term [2020-10-05 23:42:52,954 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-05 23:42:52,957 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 4, 2, 1] term [2020-10-05 23:42:52,957 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-05 23:42:52,958 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 4, 1] term [2020-10-05 23:42:52,959 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-05 23:42:52,960 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 4, 1] term [2020-10-05 23:42:52,960 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-05 23:42:52,977 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 6, 2, 5, 2, 4, 2, 4, 4, 3, 2, 1] term [2020-10-05 23:42:52,977 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-05 23:42:52,979 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 2, 2, 2, 3, 4, 3, 2, 1] term [2020-10-05 23:42:52,979 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-05 23:42:52,980 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 2, 3, 4, 3, 2, 1] term [2020-10-05 23:42:52,981 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-05 23:42:52,982 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 4, 3, 2, 1] term [2020-10-05 23:42:52,982 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-05 23:42:52,983 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 1] term [2020-10-05 23:42:52,984 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-05 23:42:54,663 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 214 DAG size of output: 188 [2020-10-05 23:42:56,517 WARN L193 SmtUtils]: Spent 940.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-05 23:42:57,403 WARN L193 SmtUtils]: Spent 883.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-05 23:42:58,284 WARN L193 SmtUtils]: Spent 879.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-05 23:42:59,152 WARN L193 SmtUtils]: Spent 864.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-05 23:43:00,982 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 191 DAG size of output: 191 [2020-10-05 23:43:01,848 WARN L193 SmtUtils]: Spent 860.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-05 23:43:04,116 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 199 DAG size of output: 198 [2020-10-05 23:43:05,917 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 198 DAG size of output: 197 [2020-10-05 23:43:07,351 WARN L193 SmtUtils]: Spent 962.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-05 23:43:08,281 WARN L193 SmtUtils]: Spent 924.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-10-05 23:43:08,586 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2020-10-05 23:43:08,727 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-05 23:43:08,735 INFO L206 etLargeBlockEncoding]: Checked pairs total: 6725 [2020-10-05 23:43:08,736 INFO L214 etLargeBlockEncoding]: Total number of compositions: 78 [2020-10-05 23:43:08,740 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 39 places, 29 transitions, 73 flow [2020-10-05 23:43:08,828 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1346 states. [2020-10-05 23:43:08,830 INFO L276 IsEmpty]: Start isEmpty. Operand 1346 states. [2020-10-05 23:43:08,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-05 23:43:08,838 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:43:08,839 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:43:08,839 INFO L427 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:43:08,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:43:08,845 INFO L82 PathProgramCache]: Analyzing trace with hash 1844608269, now seen corresponding path program 1 times [2020-10-05 23:43:08,856 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:43:08,856 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870498884] [2020-10-05 23:43:08,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:43:09,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:43:09,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:43:09,136 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870498884] [2020-10-05 23:43:09,137 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:43:09,138 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-05 23:43:09,138 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922248468] [2020-10-05 23:43:09,143 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:43:09,144 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:43:09,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:43:09,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:43:09,157 INFO L87 Difference]: Start difference. First operand 1346 states. Second operand 3 states. [2020-10-05 23:43:09,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:43:09,363 INFO L93 Difference]: Finished difference Result 1166 states and 3780 transitions. [2020-10-05 23:43:09,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:43:09,366 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-05 23:43:09,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:43:09,400 INFO L225 Difference]: With dead ends: 1166 [2020-10-05 23:43:09,401 INFO L226 Difference]: Without dead ends: 950 [2020-10-05 23:43:09,402 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 [2020-10-05 23:43:09,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 950 states. [2020-10-05 23:43:09,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 950 to 950. [2020-10-05 23:43:09,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 950 states. [2020-10-05 23:43:09,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 950 states and 3024 transitions. [2020-10-05 23:43:09,531 INFO L78 Accepts]: Start accepts. Automaton has 950 states and 3024 transitions. Word has length 7 [2020-10-05 23:43:09,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:43:09,532 INFO L479 AbstractCegarLoop]: Abstraction has 950 states and 3024 transitions. [2020-10-05 23:43:09,532 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:43:09,532 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 3024 transitions. [2020-10-05 23:43:09,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-05 23:43:09,533 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:43:09,534 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:43:09,534 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-05 23:43:09,534 INFO L427 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:43:09,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:43:09,535 INFO L82 PathProgramCache]: Analyzing trace with hash -1152822199, now seen corresponding path program 1 times [2020-10-05 23:43:09,535 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:43:09,535 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064443972] [2020-10-05 23:43:09,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:43:09,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:43:09,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:43:09,692 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064443972] [2020-10-05 23:43:09,692 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:43:09,692 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-05 23:43:09,692 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261020192] [2020-10-05 23:43:09,694 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:43:09,694 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:43:09,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:43:09,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:43:09,694 INFO L87 Difference]: Start difference. First operand 950 states and 3024 transitions. Second operand 3 states. [2020-10-05 23:43:09,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:43:09,804 INFO L93 Difference]: Finished difference Result 914 states and 2892 transitions. [2020-10-05 23:43:09,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:43:09,808 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-05 23:43:09,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:43:09,819 INFO L225 Difference]: With dead ends: 914 [2020-10-05 23:43:09,819 INFO L226 Difference]: Without dead ends: 914 [2020-10-05 23:43:09,820 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:43:09,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 914 states. [2020-10-05 23:43:09,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 914 to 914. [2020-10-05 23:43:09,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 914 states. [2020-10-05 23:43:09,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 914 states and 2892 transitions. [2020-10-05 23:43:09,867 INFO L78 Accepts]: Start accepts. Automaton has 914 states and 2892 transitions. Word has length 9 [2020-10-05 23:43:09,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:43:09,867 INFO L479 AbstractCegarLoop]: Abstraction has 914 states and 2892 transitions. [2020-10-05 23:43:09,867 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:43:09,867 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 2892 transitions. [2020-10-05 23:43:09,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-05 23:43:09,871 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:43:09,871 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:43:09,871 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-05 23:43:09,871 INFO L427 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:43:09,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:43:09,872 INFO L82 PathProgramCache]: Analyzing trace with hash -1379378528, now seen corresponding path program 1 times [2020-10-05 23:43:09,872 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:43:09,872 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696633163] [2020-10-05 23:43:09,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:43:09,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:43:10,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:43:10,007 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696633163] [2020-10-05 23:43:10,007 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:43:10,007 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 23:43:10,007 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809533386] [2020-10-05 23:43:10,008 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:43:10,008 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:43:10,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:43:10,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:43:10,008 INFO L87 Difference]: Start difference. First operand 914 states and 2892 transitions. Second operand 4 states. [2020-10-05 23:43:10,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:43:10,130 INFO L93 Difference]: Finished difference Result 842 states and 2628 transitions. [2020-10-05 23:43:10,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-05 23:43:10,132 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-10-05 23:43:10,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:43:10,138 INFO L225 Difference]: With dead ends: 842 [2020-10-05 23:43:10,138 INFO L226 Difference]: Without dead ends: 842 [2020-10-05 23:43:10,139 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:43:10,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2020-10-05 23:43:10,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 842. [2020-10-05 23:43:10,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 842 states. [2020-10-05 23:43:10,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 842 states and 2628 transitions. [2020-10-05 23:43:10,167 INFO L78 Accepts]: Start accepts. Automaton has 842 states and 2628 transitions. Word has length 10 [2020-10-05 23:43:10,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:43:10,168 INFO L479 AbstractCegarLoop]: Abstraction has 842 states and 2628 transitions. [2020-10-05 23:43:10,168 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:43:10,168 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 2628 transitions. [2020-10-05 23:43:10,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-05 23:43:10,171 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:43:10,171 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:43:10,171 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-05 23:43:10,171 INFO L427 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:43:10,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:43:10,172 INFO L82 PathProgramCache]: Analyzing trace with hash 1562127519, now seen corresponding path program 1 times [2020-10-05 23:43:10,172 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:43:10,172 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094462266] [2020-10-05 23:43:10,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:43:10,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:43:10,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:43:10,562 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094462266] [2020-10-05 23:43:10,562 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:43:10,562 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-05 23:43:10,563 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189135122] [2020-10-05 23:43:10,563 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-05 23:43:10,563 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:43:10,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-05 23:43:10,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-05 23:43:10,564 INFO L87 Difference]: Start difference. First operand 842 states and 2628 transitions. Second operand 7 states. [2020-10-05 23:43:11,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:43:11,015 INFO L93 Difference]: Finished difference Result 1146 states and 3632 transitions. [2020-10-05 23:43:11,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 23:43:11,021 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 12 [2020-10-05 23:43:11,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:43:11,031 INFO L225 Difference]: With dead ends: 1146 [2020-10-05 23:43:11,031 INFO L226 Difference]: Without dead ends: 1146 [2020-10-05 23:43:11,031 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-05 23:43:11,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1146 states. [2020-10-05 23:43:11,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1146 to 1010. [2020-10-05 23:43:11,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1010 states. [2020-10-05 23:43:11,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 1010 states and 3136 transitions. [2020-10-05 23:43:11,069 INFO L78 Accepts]: Start accepts. Automaton has 1010 states and 3136 transitions. Word has length 12 [2020-10-05 23:43:11,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:43:11,070 INFO L479 AbstractCegarLoop]: Abstraction has 1010 states and 3136 transitions. [2020-10-05 23:43:11,070 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-05 23:43:11,070 INFO L276 IsEmpty]: Start isEmpty. Operand 1010 states and 3136 transitions. [2020-10-05 23:43:11,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-05 23:43:11,072 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:43:11,072 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:43:11,072 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-05 23:43:11,072 INFO L427 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:43:11,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:43:11,072 INFO L82 PathProgramCache]: Analyzing trace with hash 1560138249, now seen corresponding path program 2 times [2020-10-05 23:43:11,073 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:43:11,073 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681822489] [2020-10-05 23:43:11,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:43:11,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:43:11,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:43:11,316 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681822489] [2020-10-05 23:43:11,316 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:43:11,316 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-05 23:43:11,317 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542127976] [2020-10-05 23:43:11,317 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-05 23:43:11,317 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:43:11,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-05 23:43:11,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-05 23:43:11,318 INFO L87 Difference]: Start difference. First operand 1010 states and 3136 transitions. Second operand 6 states. [2020-10-05 23:43:11,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:43:11,560 INFO L93 Difference]: Finished difference Result 1076 states and 3341 transitions. [2020-10-05 23:43:11,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 23:43:11,562 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2020-10-05 23:43:11,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:43:11,570 INFO L225 Difference]: With dead ends: 1076 [2020-10-05 23:43:11,570 INFO L226 Difference]: Without dead ends: 1076 [2020-10-05 23:43:11,571 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-05 23:43:11,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1076 states. [2020-10-05 23:43:11,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1076 to 1072. [2020-10-05 23:43:11,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1072 states. [2020-10-05 23:43:11,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 3329 transitions. [2020-10-05 23:43:11,610 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 3329 transitions. Word has length 12 [2020-10-05 23:43:11,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:43:11,611 INFO L479 AbstractCegarLoop]: Abstraction has 1072 states and 3329 transitions. [2020-10-05 23:43:11,611 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-05 23:43:11,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 3329 transitions. [2020-10-05 23:43:11,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-05 23:43:11,613 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:43:11,613 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:43:11,613 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-05 23:43:11,614 INFO L427 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:43:11,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:43:11,614 INFO L82 PathProgramCache]: Analyzing trace with hash -12172774, now seen corresponding path program 1 times [2020-10-05 23:43:11,614 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:43:11,614 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369244877] [2020-10-05 23:43:11,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:43:11,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:43:11,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:43:11,830 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369244877] [2020-10-05 23:43:11,831 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:43:11,831 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-05 23:43:11,831 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363185692] [2020-10-05 23:43:11,831 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-05 23:43:11,832 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:43:11,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-05 23:43:11,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-05 23:43:11,832 INFO L87 Difference]: Start difference. First operand 1072 states and 3329 transitions. Second operand 7 states. [2020-10-05 23:43:12,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:43:12,192 INFO L93 Difference]: Finished difference Result 1286 states and 4029 transitions. [2020-10-05 23:43:12,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-05 23:43:12,199 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2020-10-05 23:43:12,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:43:12,210 INFO L225 Difference]: With dead ends: 1286 [2020-10-05 23:43:12,210 INFO L226 Difference]: Without dead ends: 1286 [2020-10-05 23:43:12,211 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-05 23:43:12,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1286 states. [2020-10-05 23:43:12,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1286 to 1150. [2020-10-05 23:43:12,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1150 states. [2020-10-05 23:43:12,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 1150 states and 3603 transitions. [2020-10-05 23:43:12,248 INFO L78 Accepts]: Start accepts. Automaton has 1150 states and 3603 transitions. Word has length 13 [2020-10-05 23:43:12,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:43:12,249 INFO L479 AbstractCegarLoop]: Abstraction has 1150 states and 3603 transitions. [2020-10-05 23:43:12,249 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-05 23:43:12,249 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 3603 transitions. [2020-10-05 23:43:12,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-05 23:43:12,251 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:43:12,251 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:43:12,251 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-05 23:43:12,251 INFO L427 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:43:12,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:43:12,252 INFO L82 PathProgramCache]: Analyzing trace with hash -12236014, now seen corresponding path program 2 times [2020-10-05 23:43:12,252 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:43:12,252 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655296443] [2020-10-05 23:43:12,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:43:12,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:43:12,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:43:12,508 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655296443] [2020-10-05 23:43:12,509 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:43:12,509 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-05 23:43:12,509 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102234365] [2020-10-05 23:43:12,509 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-05 23:43:12,510 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:43:12,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-05 23:43:12,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-05 23:43:12,510 INFO L87 Difference]: Start difference. First operand 1150 states and 3603 transitions. Second operand 7 states. [2020-10-05 23:43:13,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:43:13,010 INFO L93 Difference]: Finished difference Result 1512 states and 4702 transitions. [2020-10-05 23:43:13,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-05 23:43:13,013 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2020-10-05 23:43:13,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:43:13,017 INFO L225 Difference]: With dead ends: 1512 [2020-10-05 23:43:13,017 INFO L226 Difference]: Without dead ends: 602 [2020-10-05 23:43:13,018 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-05 23:43:13,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2020-10-05 23:43:13,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 484. [2020-10-05 23:43:13,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2020-10-05 23:43:13,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 1430 transitions. [2020-10-05 23:43:13,034 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 1430 transitions. Word has length 13 [2020-10-05 23:43:13,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:43:13,034 INFO L479 AbstractCegarLoop]: Abstraction has 484 states and 1430 transitions. [2020-10-05 23:43:13,034 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-05 23:43:13,035 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 1430 transitions. [2020-10-05 23:43:13,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-05 23:43:13,035 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:43:13,036 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:43:13,036 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-05 23:43:13,036 INFO L427 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:43:13,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:43:13,037 INFO L82 PathProgramCache]: Analyzing trace with hash 1181314210, now seen corresponding path program 3 times [2020-10-05 23:43:13,037 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:43:13,037 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394430400] [2020-10-05 23:43:13,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:43:13,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:43:13,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:43:13,162 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394430400] [2020-10-05 23:43:13,162 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:43:13,162 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:43:13,163 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803173712] [2020-10-05 23:43:13,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:43:13,164 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:43:13,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:43:13,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:43:13,165 INFO L87 Difference]: Start difference. First operand 484 states and 1430 transitions. Second operand 4 states. [2020-10-05 23:43:13,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:43:13,216 INFO L93 Difference]: Finished difference Result 440 states and 1130 transitions. [2020-10-05 23:43:13,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 23:43:13,217 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-05 23:43:13,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:43:13,220 INFO L225 Difference]: With dead ends: 440 [2020-10-05 23:43:13,220 INFO L226 Difference]: Without dead ends: 314 [2020-10-05 23:43:13,222 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:43:13,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2020-10-05 23:43:13,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 314. [2020-10-05 23:43:13,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 314 states. [2020-10-05 23:43:13,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 780 transitions. [2020-10-05 23:43:13,232 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 780 transitions. Word has length 13 [2020-10-05 23:43:13,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:43:13,233 INFO L479 AbstractCegarLoop]: Abstraction has 314 states and 780 transitions. [2020-10-05 23:43:13,234 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:43:13,234 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 780 transitions. [2020-10-05 23:43:13,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-05 23:43:13,234 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:43:13,235 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:43:13,235 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-05 23:43:13,235 INFO L427 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:43:13,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:43:13,235 INFO L82 PathProgramCache]: Analyzing trace with hash 1416708828, now seen corresponding path program 1 times [2020-10-05 23:43:13,236 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:43:13,236 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329842441] [2020-10-05 23:43:13,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:43:13,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:43:13,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:43:13,363 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329842441] [2020-10-05 23:43:13,363 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:43:13,363 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-05 23:43:13,363 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815295805] [2020-10-05 23:43:13,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-05 23:43:13,364 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:43:13,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-05 23:43:13,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:43:13,365 INFO L87 Difference]: Start difference. First operand 314 states and 780 transitions. Second operand 5 states. [2020-10-05 23:43:13,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:43:13,431 INFO L93 Difference]: Finished difference Result 241 states and 537 transitions. [2020-10-05 23:43:13,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-05 23:43:13,433 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-10-05 23:43:13,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:43:13,434 INFO L225 Difference]: With dead ends: 241 [2020-10-05 23:43:13,435 INFO L226 Difference]: Without dead ends: 180 [2020-10-05 23:43:13,435 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-05 23:43:13,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2020-10-05 23:43:13,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180. [2020-10-05 23:43:13,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2020-10-05 23:43:13,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 384 transitions. [2020-10-05 23:43:13,440 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 384 transitions. Word has length 15 [2020-10-05 23:43:13,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:43:13,441 INFO L479 AbstractCegarLoop]: Abstraction has 180 states and 384 transitions. [2020-10-05 23:43:13,441 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-05 23:43:13,441 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 384 transitions. [2020-10-05 23:43:13,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-05 23:43:13,442 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:43:13,442 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:43:13,442 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-05 23:43:13,442 INFO L427 AbstractCegarLoop]: === Iteration 10 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:43:13,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:43:13,443 INFO L82 PathProgramCache]: Analyzing trace with hash -1212702714, now seen corresponding path program 1 times [2020-10-05 23:43:13,443 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:43:13,443 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571861976] [2020-10-05 23:43:13,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:43:13,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:43:13,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:43:13,664 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571861976] [2020-10-05 23:43:13,665 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:43:13,665 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-05 23:43:13,665 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105002376] [2020-10-05 23:43:13,665 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-05 23:43:13,666 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:43:13,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-05 23:43:13,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-05 23:43:13,666 INFO L87 Difference]: Start difference. First operand 180 states and 384 transitions. Second operand 6 states. [2020-10-05 23:43:13,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:43:13,745 INFO L93 Difference]: Finished difference Result 158 states and 338 transitions. [2020-10-05 23:43:13,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-05 23:43:13,747 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2020-10-05 23:43:13,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:43:13,748 INFO L225 Difference]: With dead ends: 158 [2020-10-05 23:43:13,748 INFO L226 Difference]: Without dead ends: 145 [2020-10-05 23:43:13,749 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-05 23:43:13,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2020-10-05 23:43:13,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2020-10-05 23:43:13,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2020-10-05 23:43:13,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 314 transitions. [2020-10-05 23:43:13,753 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 314 transitions. Word has length 19 [2020-10-05 23:43:13,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:43:13,753 INFO L479 AbstractCegarLoop]: Abstraction has 145 states and 314 transitions. [2020-10-05 23:43:13,754 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-05 23:43:13,754 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 314 transitions. [2020-10-05 23:43:13,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-05 23:43:13,754 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:43:13,755 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:43:13,755 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-05 23:43:13,755 INFO L427 AbstractCegarLoop]: === Iteration 11 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:43:13,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:43:13,757 INFO L82 PathProgramCache]: Analyzing trace with hash 1943113717, now seen corresponding path program 1 times [2020-10-05 23:43:13,757 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:43:13,757 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925233453] [2020-10-05 23:43:13,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:43:13,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:43:13,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:43:13,873 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925233453] [2020-10-05 23:43:13,873 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:43:13,873 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:43:13,873 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158075595] [2020-10-05 23:43:13,874 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:43:13,874 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:43:13,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:43:13,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:43:13,874 INFO L87 Difference]: Start difference. First operand 145 states and 314 transitions. Second operand 4 states. [2020-10-05 23:43:13,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:43:13,901 INFO L93 Difference]: Finished difference Result 192 states and 412 transitions. [2020-10-05 23:43:13,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-05 23:43:13,903 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2020-10-05 23:43:13,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:43:13,904 INFO L225 Difference]: With dead ends: 192 [2020-10-05 23:43:13,905 INFO L226 Difference]: Without dead ends: 75 [2020-10-05 23:43:13,906 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:43:13,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-10-05 23:43:13,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2020-10-05 23:43:13,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-10-05 23:43:13,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 144 transitions. [2020-10-05 23:43:13,909 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 144 transitions. Word has length 24 [2020-10-05 23:43:13,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:43:13,909 INFO L479 AbstractCegarLoop]: Abstraction has 75 states and 144 transitions. [2020-10-05 23:43:13,909 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:43:13,909 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 144 transitions. [2020-10-05 23:43:13,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-05 23:43:13,910 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:43:13,910 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:43:13,910 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-05 23:43:13,911 INFO L427 AbstractCegarLoop]: === Iteration 12 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:43:13,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:43:13,911 INFO L82 PathProgramCache]: Analyzing trace with hash 1923483509, now seen corresponding path program 2 times [2020-10-05 23:43:13,911 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:43:13,911 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049784309] [2020-10-05 23:43:13,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:43:13,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:43:14,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:43:14,292 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049784309] [2020-10-05 23:43:14,293 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:43:14,293 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-05 23:43:14,294 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266948333] [2020-10-05 23:43:14,294 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-05 23:43:14,294 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:43:14,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-05 23:43:14,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-05 23:43:14,295 INFO L87 Difference]: Start difference. First operand 75 states and 144 transitions. Second operand 7 states. [2020-10-05 23:43:14,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:43:14,562 INFO L93 Difference]: Finished difference Result 136 states and 259 transitions. [2020-10-05 23:43:14,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-05 23:43:14,564 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2020-10-05 23:43:14,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:43:14,565 INFO L225 Difference]: With dead ends: 136 [2020-10-05 23:43:14,565 INFO L226 Difference]: Without dead ends: 64 [2020-10-05 23:43:14,566 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-10-05 23:43:14,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-10-05 23:43:14,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2020-10-05 23:43:14,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-10-05 23:43:14,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 116 transitions. [2020-10-05 23:43:14,568 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 116 transitions. Word has length 24 [2020-10-05 23:43:14,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:43:14,569 INFO L479 AbstractCegarLoop]: Abstraction has 64 states and 116 transitions. [2020-10-05 23:43:14,569 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-05 23:43:14,569 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 116 transitions. [2020-10-05 23:43:14,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-05 23:43:14,569 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:43:14,570 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:43:14,570 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-05 23:43:14,570 INFO L427 AbstractCegarLoop]: === Iteration 13 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:43:14,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:43:14,570 INFO L82 PathProgramCache]: Analyzing trace with hash -1215293561, now seen corresponding path program 3 times [2020-10-05 23:43:14,570 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:43:14,571 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756747120] [2020-10-05 23:43:14,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:43:14,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:43:14,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:43:14,853 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756747120] [2020-10-05 23:43:14,853 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:43:14,853 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-05 23:43:14,853 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731263157] [2020-10-05 23:43:14,854 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-05 23:43:14,854 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:43:14,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-05 23:43:14,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-05 23:43:14,855 INFO L87 Difference]: Start difference. First operand 64 states and 116 transitions. Second operand 7 states. [2020-10-05 23:43:15,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:43:15,041 INFO L93 Difference]: Finished difference Result 78 states and 138 transitions. [2020-10-05 23:43:15,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 23:43:15,043 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2020-10-05 23:43:15,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:43:15,044 INFO L225 Difference]: With dead ends: 78 [2020-10-05 23:43:15,044 INFO L226 Difference]: Without dead ends: 46 [2020-10-05 23:43:15,044 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-05 23:43:15,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-10-05 23:43:15,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2020-10-05 23:43:15,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-10-05 23:43:15,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 70 transitions. [2020-10-05 23:43:15,047 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 70 transitions. Word has length 24 [2020-10-05 23:43:15,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:43:15,047 INFO L479 AbstractCegarLoop]: Abstraction has 46 states and 70 transitions. [2020-10-05 23:43:15,047 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-05 23:43:15,047 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2020-10-05 23:43:15,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-05 23:43:15,048 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:43:15,048 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:43:15,048 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-05 23:43:15,048 INFO L427 AbstractCegarLoop]: === Iteration 14 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:43:15,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:43:15,049 INFO L82 PathProgramCache]: Analyzing trace with hash -370107211, now seen corresponding path program 4 times [2020-10-05 23:43:15,049 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:43:15,049 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866826289] [2020-10-05 23:43:15,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:43:15,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:43:15,558 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 21 [2020-10-05 23:43:15,697 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 24 [2020-10-05 23:43:15,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:43:15,910 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866826289] [2020-10-05 23:43:15,910 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:43:15,910 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-05 23:43:15,911 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492153201] [2020-10-05 23:43:15,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-05 23:43:15,911 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:43:15,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-05 23:43:15,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-05 23:43:15,912 INFO L87 Difference]: Start difference. First operand 46 states and 70 transitions. Second operand 10 states. [2020-10-05 23:43:16,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:43:16,292 INFO L93 Difference]: Finished difference Result 45 states and 69 transitions. [2020-10-05 23:43:16,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-05 23:43:16,292 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 24 [2020-10-05 23:43:16,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:43:16,292 INFO L225 Difference]: With dead ends: 45 [2020-10-05 23:43:16,293 INFO L226 Difference]: Without dead ends: 0 [2020-10-05 23:43:16,293 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-10-05 23:43:16,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-05 23:43:16,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-05 23:43:16,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-05 23:43:16,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-05 23:43:16,294 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-10-05 23:43:16,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:43:16,294 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-05 23:43:16,294 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-05 23:43:16,294 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-05 23:43:16,295 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-05 23:43:16,295 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-05 23:43:16,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.10 11:43:16 BasicIcfg [2020-10-05 23:43:16,298 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-05 23:43:16,300 INFO L168 Benchmark]: Toolchain (without parser) took 34792.51 ms. Allocated memory was 140.0 MB in the beginning and 534.8 MB in the end (delta: 394.8 MB). Free memory was 101.0 MB in the beginning and 228.5 MB in the end (delta: -127.6 MB). Peak memory consumption was 267.2 MB. Max. memory is 7.1 GB. [2020-10-05 23:43:16,300 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-10-05 23:43:16,301 INFO L168 Benchmark]: CACSL2BoogieTranslator took 779.64 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 100.7 MB in the beginning and 151.1 MB in the end (delta: -50.4 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2020-10-05 23:43:16,302 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.30 ms. Allocated memory is still 202.9 MB. Free memory was 151.1 MB in the beginning and 147.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-10-05 23:43:16,303 INFO L168 Benchmark]: Boogie Preprocessor took 56.45 ms. Allocated memory is still 202.9 MB. Free memory was 147.1 MB in the beginning and 143.8 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2020-10-05 23:43:16,303 INFO L168 Benchmark]: RCFGBuilder took 4878.07 ms. Allocated memory was 202.9 MB in the beginning and 295.2 MB in the end (delta: 92.3 MB). Free memory was 143.2 MB in the beginning and 231.7 MB in the end (delta: -88.5 MB). Peak memory consumption was 155.3 MB. Max. memory is 7.1 GB. [2020-10-05 23:43:16,304 INFO L168 Benchmark]: TraceAbstraction took 28988.34 ms. Allocated memory was 295.2 MB in the beginning and 534.8 MB in the end (delta: 239.6 MB). Free memory was 231.7 MB in the beginning and 228.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 242.8 MB. Max. memory is 7.1 GB. [2020-10-05 23:43:16,308 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 779.64 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 100.7 MB in the beginning and 151.1 MB in the end (delta: -50.4 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 83.30 ms. Allocated memory is still 202.9 MB. Free memory was 151.1 MB in the beginning and 147.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 56.45 ms. Allocated memory is still 202.9 MB. Free memory was 147.1 MB in the beginning and 143.8 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4878.07 ms. Allocated memory was 202.9 MB in the beginning and 295.2 MB in the end (delta: 92.3 MB). Free memory was 143.2 MB in the beginning and 231.7 MB in the end (delta: -88.5 MB). Peak memory consumption was 155.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 28988.34 ms. Allocated memory was 295.2 MB in the beginning and 534.8 MB in the end (delta: 239.6 MB). Free memory was 231.7 MB in the beginning and 228.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 242.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 21.2s, 105 ProgramPointsBefore, 39 ProgramPointsAfterwards, 97 TransitionsBefore, 29 TransitionsAfterwards, 1908 CoEnabledTransitionPairs, 8 FixpointIterations, 33 TrivialSequentialCompositions, 38 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 2 ChoiceCompositions, 955 VarBasedMoverChecksPositive, 43 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 6725 CheckedPairsTotal, 78 TotalNumberOfCompositions - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 96 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 28.8s, OverallIterations: 14, TraceHistogramMax: 1, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 21.3s, HoareTripleCheckerStatistics: 351 SDtfs, 360 SDslu, 720 SDs, 0 SdLazy, 789 SolverSat, 156 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 77 GetRequests, 8 SyntacticMatches, 3 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1346occurred 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: 0.3s AutomataMinimizationTime, 14 MinimizatonAttempts, 394 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 219 NumberOfCodeBlocks, 219 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 205 ConstructedInterpolants, 0 QuantifiedInterpolants, 33034 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 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...