/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-nondet/nondet-loop-bound-variant-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-60655ea [2020-09-15 13:19:37,162 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-15 13:19:37,166 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-15 13:19:37,193 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-15 13:19:37,194 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-15 13:19:37,198 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-15 13:19:37,200 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-15 13:19:37,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-15 13:19:37,206 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-15 13:19:37,207 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-15 13:19:37,211 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-15 13:19:37,212 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-15 13:19:37,213 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-15 13:19:37,214 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-15 13:19:37,215 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-15 13:19:37,216 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-15 13:19:37,217 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-15 13:19:37,218 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-15 13:19:37,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-15 13:19:37,221 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-15 13:19:37,223 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-15 13:19:37,224 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-15 13:19:37,225 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-15 13:19:37,226 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-15 13:19:37,229 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-15 13:19:37,232 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-15 13:19:37,233 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-15 13:19:37,234 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-15 13:19:37,235 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-15 13:19:37,236 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-15 13:19:37,236 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-15 13:19:37,237 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-15 13:19:37,237 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-15 13:19:37,238 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-15 13:19:37,239 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-15 13:19:37,239 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-15 13:19:37,241 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-09-15 13:19:37,278 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-15 13:19:37,279 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-15 13:19:37,280 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-15 13:19:37,281 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-15 13:19:37,282 INFO L138 SettingsManager]: * Use SBE=true [2020-09-15 13:19:37,282 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-15 13:19:37,282 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-15 13:19:37,282 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-15 13:19:37,282 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-15 13:19:37,283 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-15 13:19:37,284 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-15 13:19:37,284 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-15 13:19:37,284 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-15 13:19:37,285 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-15 13:19:37,286 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-15 13:19:37,286 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-15 13:19:37,286 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-15 13:19:37,287 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-15 13:19:37,287 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-15 13:19:37,287 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-15 13:19:37,288 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-15 13:19:37,288 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-15 13:19:37,288 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-15 13:19:37,288 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-09-15 13:19:37,289 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-15 13:19:37,289 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-15 13:19:37,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-15 13:19:37,289 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-09-15 13:19:37,289 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-15 13:19:37,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-15 13:19:37,824 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-15 13:19:37,833 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-15 13:19:37,835 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-15 13:19:37,836 INFO L275 PluginConnector]: CDTParser initialized [2020-09-15 13:19:37,837 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-2.i [2020-09-15 13:19:37,922 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/04cc6b648/c9b76b55c66a44fea040f0cb25b67e03/FLAG870e96422 [2020-09-15 13:19:38,589 INFO L306 CDTParser]: Found 1 translation units. [2020-09-15 13:19:38,590 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-2.i [2020-09-15 13:19:38,616 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/04cc6b648/c9b76b55c66a44fea040f0cb25b67e03/FLAG870e96422 [2020-09-15 13:19:38,816 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/04cc6b648/c9b76b55c66a44fea040f0cb25b67e03 [2020-09-15 13:19:38,829 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-15 13:19:38,837 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-09-15 13:19:38,838 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-15 13:19:38,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-15 13:19:38,842 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-15 13:19:38,844 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 01:19:38" (1/1) ... [2020-09-15 13:19:38,849 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c9fa7e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:19:38, skipping insertion in model container [2020-09-15 13:19:38,850 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 01:19:38" (1/1) ... [2020-09-15 13:19:38,861 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-15 13:19:38,936 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-15 13:19:39,419 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-15 13:19:39,440 INFO L203 MainTranslator]: Completed pre-run [2020-09-15 13:19:39,495 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-15 13:19:39,589 INFO L208 MainTranslator]: Completed translation [2020-09-15 13:19:39,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:19:39 WrapperNode [2020-09-15 13:19:39,590 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-15 13:19:39,591 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-15 13:19:39,591 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-15 13:19:39,591 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-15 13:19:39,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:19:39" (1/1) ... [2020-09-15 13:19:39,624 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:19:39" (1/1) ... [2020-09-15 13:19:39,662 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-15 13:19:39,662 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-15 13:19:39,663 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-15 13:19:39,663 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-15 13:19:39,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:19:39" (1/1) ... [2020-09-15 13:19:39,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:19:39" (1/1) ... [2020-09-15 13:19:39,679 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:19:39" (1/1) ... [2020-09-15 13:19:39,679 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:19:39" (1/1) ... [2020-09-15 13:19:39,685 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:19:39" (1/1) ... [2020-09-15 13:19:39,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:19:39" (1/1) ... [2020-09-15 13:19:39,694 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:19:39" (1/1) ... [2020-09-15 13:19:39,698 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-15 13:19:39,698 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-15 13:19:39,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-15 13:19:39,699 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-15 13:19:39,700 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:19:39" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-15 13:19:39,789 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2020-09-15 13:19:39,789 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2020-09-15 13:19:39,789 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-09-15 13:19:39,790 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-09-15 13:19:39,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-15 13:19:39,790 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-09-15 13:19:39,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-15 13:19:39,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-15 13:19:39,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-15 13:19:39,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-15 13:19:39,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-15 13:19:39,794 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-09-15 13:19:40,208 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-15 13:19:40,209 INFO L295 CfgBuilder]: Removed 11 assume(true) statements. [2020-09-15 13:19:40,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 01:19:40 BoogieIcfgContainer [2020-09-15 13:19:40,216 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-15 13:19:40,218 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-15 13:19:40,218 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-15 13:19:40,222 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-15 13:19:40,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 01:19:38" (1/3) ... [2020-09-15 13:19:40,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eff46c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 01:19:40, skipping insertion in model container [2020-09-15 13:19:40,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:19:39" (2/3) ... [2020-09-15 13:19:40,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eff46c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 01:19:40, skipping insertion in model container [2020-09-15 13:19:40,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 01:19:40" (3/3) ... [2020-09-15 13:19:40,227 INFO L109 eAbstractionObserver]: Analyzing ICFG nondet-loop-bound-variant-2.i [2020-09-15 13:19:40,240 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-15 13:19:40,241 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-15 13:19:40,252 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-15 13:19:40,254 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-15 13:19:40,301 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:40,301 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:40,302 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:40,302 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:40,302 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:40,302 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:40,303 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:40,303 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:40,303 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:40,303 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:40,304 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:40,304 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:40,304 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:40,304 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:40,305 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:40,305 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:40,305 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:40,305 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:40,306 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:40,306 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:40,306 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:40,307 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:40,307 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:40,308 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:40,308 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:40,308 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:40,309 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:40,309 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:40,309 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:40,309 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:40,310 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:40,315 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:40,315 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:40,315 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:40,316 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:40,316 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:40,316 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:40,316 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:40,317 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:40,317 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:40,317 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:40,325 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:40,325 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:40,326 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:40,326 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:40,326 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:40,327 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:40,353 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-09-15 13:19:40,383 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-15 13:19:40,383 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-15 13:19:40,383 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-15 13:19:40,383 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-15 13:19:40,384 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-15 13:19:40,384 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-15 13:19:40,384 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-15 13:19:40,384 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-15 13:19:40,402 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 76 transitions, 162 flow [2020-09-15 13:19:40,405 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 77 places, 76 transitions, 162 flow [2020-09-15 13:19:40,461 INFO L129 PetriNetUnfolder]: 6/86 cut-off events. [2020-09-15 13:19:40,462 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-09-15 13:19:40,469 INFO L80 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 86 events. 6/86 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 116 event pairs, 0 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 60. Up to 4 conditions per place. [2020-09-15 13:19:40,473 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 77 places, 76 transitions, 162 flow [2020-09-15 13:19:40,500 INFO L129 PetriNetUnfolder]: 6/86 cut-off events. [2020-09-15 13:19:40,500 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-09-15 13:19:40,502 INFO L80 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 86 events. 6/86 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 116 event pairs, 0 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 60. Up to 4 conditions per place. [2020-09-15 13:19:40,504 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1242 [2020-09-15 13:19:40,506 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-09-15 13:19:41,874 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-09-15 13:19:41,988 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-09-15 13:19:42,407 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 59 [2020-09-15 13:19:43,045 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 46 [2020-09-15 13:19:43,633 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2020-09-15 13:19:43,947 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-09-15 13:19:43,951 INFO L206 etLargeBlockEncoding]: Checked pairs total: 1089 [2020-09-15 13:19:43,952 INFO L214 etLargeBlockEncoding]: Total number of compositions: 77 [2020-09-15 13:19:43,957 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 18 places, 12 transitions, 34 flow [2020-09-15 13:19:43,969 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 44 states. [2020-09-15 13:19:43,971 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2020-09-15 13:19:43,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-09-15 13:19:43,980 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:19:43,981 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-09-15 13:19:43,981 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-15 13:19:43,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:19:43,989 INFO L82 PathProgramCache]: Analyzing trace with hash 313215, now seen corresponding path program 1 times [2020-09-15 13:19:44,003 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:19:44,004 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059518103] [2020-09-15 13:19:44,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:19:44,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:19:44,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:19:44,274 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059518103] [2020-09-15 13:19:44,275 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:19:44,276 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-09-15 13:19:44,277 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590996846] [2020-09-15 13:19:44,284 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-15 13:19:44,285 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:19:44,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-15 13:19:44,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-15 13:19:44,308 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 3 states. [2020-09-15 13:19:44,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:19:44,361 INFO L93 Difference]: Finished difference Result 35 states and 59 transitions. [2020-09-15 13:19:44,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-15 13:19:44,364 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-09-15 13:19:44,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:19:44,378 INFO L225 Difference]: With dead ends: 35 [2020-09-15 13:19:44,378 INFO L226 Difference]: Without dead ends: 31 [2020-09-15 13:19:44,380 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 [2020-09-15 13:19:44,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-09-15 13:19:44,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-09-15 13:19:44,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-09-15 13:19:44,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 51 transitions. [2020-09-15 13:19:44,429 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 51 transitions. Word has length 3 [2020-09-15 13:19:44,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:19:44,429 INFO L479 AbstractCegarLoop]: Abstraction has 31 states and 51 transitions. [2020-09-15 13:19:44,429 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-15 13:19:44,429 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2020-09-15 13:19:44,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-09-15 13:19:44,430 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:19:44,430 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:19:44,431 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-15 13:19:44,431 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-15 13:19:44,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:19:44,432 INFO L82 PathProgramCache]: Analyzing trace with hash 1465583995, now seen corresponding path program 1 times [2020-09-15 13:19:44,432 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:19:44,432 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904206113] [2020-09-15 13:19:44,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:19:44,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:19:44,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:19:44,588 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904206113] [2020-09-15 13:19:44,588 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:19:44,589 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-15 13:19:44,589 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657730495] [2020-09-15 13:19:44,591 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-15 13:19:44,591 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:19:44,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-15 13:19:44,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-15 13:19:44,593 INFO L87 Difference]: Start difference. First operand 31 states and 51 transitions. Second operand 4 states. [2020-09-15 13:19:44,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:19:44,630 INFO L93 Difference]: Finished difference Result 26 states and 42 transitions. [2020-09-15 13:19:44,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-15 13:19:44,632 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-09-15 13:19:44,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:19:44,633 INFO L225 Difference]: With dead ends: 26 [2020-09-15 13:19:44,633 INFO L226 Difference]: Without dead ends: 24 [2020-09-15 13:19:44,635 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 [2020-09-15 13:19:44,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-09-15 13:19:44,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-09-15 13:19:44,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-09-15 13:19:44,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 39 transitions. [2020-09-15 13:19:44,641 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 39 transitions. Word has length 7 [2020-09-15 13:19:44,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:19:44,644 INFO L479 AbstractCegarLoop]: Abstraction has 24 states and 39 transitions. [2020-09-15 13:19:44,644 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-15 13:19:44,644 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 39 transitions. [2020-09-15 13:19:44,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-09-15 13:19:44,645 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:19:44,645 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2020-09-15 13:19:44,645 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-15 13:19:44,646 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-15 13:19:44,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:19:44,647 INFO L82 PathProgramCache]: Analyzing trace with hash -1811562961, now seen corresponding path program 1 times [2020-09-15 13:19:44,647 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:19:44,648 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110856129] [2020-09-15 13:19:44,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:19:44,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-15 13:19:44,692 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-15 13:19:44,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-15 13:19:44,718 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-15 13:19:44,759 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-09-15 13:19:44,760 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-15 13:19:44,760 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-15 13:19:44,760 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-09-15 13:19:44,761 WARN L363 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-09-15 13:19:44,762 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-09-15 13:19:44,773 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,773 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,773 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,774 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,774 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,774 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,774 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,774 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,774 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,775 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,775 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,775 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,775 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,775 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,776 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,776 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,776 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,776 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,776 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,777 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,777 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,777 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,777 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,778 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,778 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,778 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,778 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,778 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,778 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,779 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,779 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,779 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,779 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,779 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,780 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,780 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,780 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,780 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,780 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,780 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,781 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,781 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,781 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,782 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,782 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,782 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,782 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,782 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,783 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,783 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,783 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,783 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,784 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,784 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,784 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,784 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,785 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,785 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,785 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,785 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,785 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,786 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,786 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,786 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,787 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,787 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,787 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,787 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,787 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,788 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,788 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,788 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,790 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,790 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,791 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,791 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,791 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,791 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,791 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,791 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,792 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,792 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,795 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,795 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,796 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,796 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,796 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,796 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,798 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,798 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,799 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,799 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,799 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,799 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:44,801 INFO L251 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-09-15 13:19:44,802 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-15 13:19:44,802 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-15 13:19:44,802 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-15 13:19:44,802 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-15 13:19:44,802 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-15 13:19:44,802 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-15 13:19:44,802 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-15 13:19:44,802 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-15 13:19:44,805 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 107 places, 105 transitions, 234 flow [2020-09-15 13:19:44,806 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 107 places, 105 transitions, 234 flow [2020-09-15 13:19:44,870 INFO L129 PetriNetUnfolder]: 9/120 cut-off events. [2020-09-15 13:19:44,870 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-09-15 13:19:44,872 INFO L80 FinitePrefix]: Finished finitePrefix Result has 134 conditions, 120 events. 9/120 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 226 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 129. Up to 6 conditions per place. [2020-09-15 13:19:44,876 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 107 places, 105 transitions, 234 flow [2020-09-15 13:19:44,904 INFO L129 PetriNetUnfolder]: 9/120 cut-off events. [2020-09-15 13:19:44,904 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-09-15 13:19:44,912 INFO L80 FinitePrefix]: Finished finitePrefix Result has 134 conditions, 120 events. 9/120 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 226 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 129. Up to 6 conditions per place. [2020-09-15 13:19:44,919 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 2844 [2020-09-15 13:19:44,919 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-09-15 13:19:47,168 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 61 [2020-09-15 13:19:47,298 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 57 [2020-09-15 13:19:47,990 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2020-09-15 13:19:48,131 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-09-15 13:19:48,138 INFO L206 etLargeBlockEncoding]: Checked pairs total: 3611 [2020-09-15 13:19:48,138 INFO L214 etLargeBlockEncoding]: Total number of compositions: 94 [2020-09-15 13:19:48,138 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 36 places, 28 transitions, 80 flow [2020-09-15 13:19:48,172 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 632 states. [2020-09-15 13:19:48,173 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states. [2020-09-15 13:19:48,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-09-15 13:19:48,174 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:19:48,174 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-09-15 13:19:48,174 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:19:48,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:19:48,175 INFO L82 PathProgramCache]: Analyzing trace with hash 544994, now seen corresponding path program 1 times [2020-09-15 13:19:48,193 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:19:48,194 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482340716] [2020-09-15 13:19:48,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:19:48,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:19:48,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:19:48,264 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482340716] [2020-09-15 13:19:48,264 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:19:48,264 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-09-15 13:19:48,265 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839987727] [2020-09-15 13:19:48,265 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-15 13:19:48,265 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:19:48,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-15 13:19:48,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-15 13:19:48,266 INFO L87 Difference]: Start difference. First operand 632 states. Second operand 3 states. [2020-09-15 13:19:48,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:19:48,344 INFO L93 Difference]: Finished difference Result 748 states and 2357 transitions. [2020-09-15 13:19:48,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-15 13:19:48,344 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-09-15 13:19:48,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:19:48,361 INFO L225 Difference]: With dead ends: 748 [2020-09-15 13:19:48,361 INFO L226 Difference]: Without dead ends: 691 [2020-09-15 13:19:48,361 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 [2020-09-15 13:19:48,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2020-09-15 13:19:48,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 612. [2020-09-15 13:19:48,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 612 states. [2020-09-15 13:19:48,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 1968 transitions. [2020-09-15 13:19:48,448 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 1968 transitions. Word has length 3 [2020-09-15 13:19:48,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:19:48,449 INFO L479 AbstractCegarLoop]: Abstraction has 612 states and 1968 transitions. [2020-09-15 13:19:48,449 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-15 13:19:48,449 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 1968 transitions. [2020-09-15 13:19:48,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-09-15 13:19:48,450 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:19:48,450 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:19:48,450 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-15 13:19:48,453 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:19:48,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:19:48,453 INFO L82 PathProgramCache]: Analyzing trace with hash 625478199, now seen corresponding path program 1 times [2020-09-15 13:19:48,453 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:19:48,454 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522309163] [2020-09-15 13:19:48,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:19:48,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:19:48,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:19:48,571 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522309163] [2020-09-15 13:19:48,571 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:19:48,572 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-15 13:19:48,573 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787472846] [2020-09-15 13:19:48,573 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-15 13:19:48,573 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:19:48,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-15 13:19:48,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-15 13:19:48,574 INFO L87 Difference]: Start difference. First operand 612 states and 1968 transitions. Second operand 5 states. [2020-09-15 13:19:48,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:19:48,727 INFO L93 Difference]: Finished difference Result 900 states and 2708 transitions. [2020-09-15 13:19:48,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-15 13:19:48,728 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-09-15 13:19:48,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:19:48,743 INFO L225 Difference]: With dead ends: 900 [2020-09-15 13:19:48,744 INFO L226 Difference]: Without dead ends: 880 [2020-09-15 13:19:48,748 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-15 13:19:48,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2020-09-15 13:19:48,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 563. [2020-09-15 13:19:48,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 563 states. [2020-09-15 13:19:48,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 1857 transitions. [2020-09-15 13:19:48,815 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 1857 transitions. Word has length 10 [2020-09-15 13:19:48,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:19:48,826 INFO L479 AbstractCegarLoop]: Abstraction has 563 states and 1857 transitions. [2020-09-15 13:19:48,826 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-15 13:19:48,826 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 1857 transitions. [2020-09-15 13:19:48,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-15 13:19:48,830 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:19:48,831 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:19:48,831 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-15 13:19:48,831 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:19:48,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:19:48,831 INFO L82 PathProgramCache]: Analyzing trace with hash -696224660, now seen corresponding path program 1 times [2020-09-15 13:19:48,832 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:19:48,832 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037487090] [2020-09-15 13:19:48,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:19:48,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-15 13:19:48,880 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-15 13:19:48,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-15 13:19:48,911 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-15 13:19:48,920 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-09-15 13:19:48,921 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-15 13:19:48,921 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-15 13:19:48,921 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-09-15 13:19:48,922 WARN L363 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-09-15 13:19:48,923 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-09-15 13:19:48,935 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,935 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,936 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,936 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,936 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,936 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,936 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,936 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,936 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,937 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,937 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,937 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,937 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,937 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,937 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,938 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,938 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,938 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,938 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,938 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,939 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,939 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,939 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,939 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,939 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,940 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,940 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,940 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,940 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,940 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,940 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,941 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,941 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,941 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,941 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,941 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,941 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,942 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,942 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,942 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,942 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,942 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,943 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,943 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,943 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,943 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,943 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,943 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,943 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,944 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,944 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,944 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,944 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,944 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,944 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,945 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,945 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,945 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,945 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,945 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,946 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,946 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,946 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,946 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,946 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,947 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,947 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,947 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,947 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,947 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,947 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,948 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,948 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,948 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,948 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,948 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,949 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,949 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,949 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,949 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,949 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,950 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,950 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,950 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,950 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,950 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,950 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,951 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,951 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,951 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,951 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,951 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,951 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,952 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,952 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,952 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,952 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,953 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,953 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,953 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,953 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,953 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,953 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,955 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,956 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,956 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,956 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,956 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,956 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,957 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,957 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,957 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,957 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,959 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,959 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,959 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,959 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,959 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,960 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,960 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,960 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,960 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,960 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,962 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,963 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,963 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,963 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,963 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,963 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,966 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,966 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,966 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,966 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,967 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,967 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,968 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,968 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,968 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,968 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,968 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,968 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:48,969 INFO L251 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-09-15 13:19:48,970 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-15 13:19:48,970 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-15 13:19:48,970 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-15 13:19:48,970 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-15 13:19:48,970 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-15 13:19:48,970 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-15 13:19:48,971 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-15 13:19:48,971 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-15 13:19:48,973 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 137 places, 134 transitions, 310 flow [2020-09-15 13:19:48,973 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 137 places, 134 transitions, 310 flow [2020-09-15 13:19:48,999 INFO L129 PetriNetUnfolder]: 12/154 cut-off events. [2020-09-15 13:19:48,999 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-09-15 13:19:49,001 INFO L80 FinitePrefix]: Finished finitePrefix Result has 175 conditions, 154 events. 12/154 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 326 event pairs, 0 based on Foata normal form. 0/137 useless extension candidates. Maximal degree in co-relation 168. Up to 8 conditions per place. [2020-09-15 13:19:49,008 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 137 places, 134 transitions, 310 flow [2020-09-15 13:19:49,027 INFO L129 PetriNetUnfolder]: 12/154 cut-off events. [2020-09-15 13:19:49,027 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-09-15 13:19:49,029 INFO L80 FinitePrefix]: Finished finitePrefix Result has 175 conditions, 154 events. 12/154 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 326 event pairs, 0 based on Foata normal form. 0/137 useless extension candidates. Maximal degree in co-relation 168. Up to 8 conditions per place. [2020-09-15 13:19:49,035 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 5130 [2020-09-15 13:19:49,035 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-09-15 13:19:51,949 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 52 [2020-09-15 13:19:52,118 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 35 [2020-09-15 13:19:52,541 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2020-09-15 13:19:52,957 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2020-09-15 13:19:53,104 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-09-15 13:19:53,115 INFO L206 etLargeBlockEncoding]: Checked pairs total: 7576 [2020-09-15 13:19:53,116 INFO L214 etLargeBlockEncoding]: Total number of compositions: 120 [2020-09-15 13:19:53,116 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 49 places, 38 transitions, 118 flow [2020-09-15 13:19:53,399 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 3782 states. [2020-09-15 13:19:53,400 INFO L276 IsEmpty]: Start isEmpty. Operand 3782 states. [2020-09-15 13:19:53,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-09-15 13:19:53,400 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:19:53,401 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-09-15 13:19:53,401 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:19:53,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:19:53,401 INFO L82 PathProgramCache]: Analyzing trace with hash 833041, now seen corresponding path program 1 times [2020-09-15 13:19:53,402 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:19:53,402 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142252216] [2020-09-15 13:19:53,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:19:53,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:19:53,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:19:53,461 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142252216] [2020-09-15 13:19:53,461 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:19:53,461 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-09-15 13:19:53,462 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373111384] [2020-09-15 13:19:53,462 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-15 13:19:53,462 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:19:53,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-15 13:19:53,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-15 13:19:53,463 INFO L87 Difference]: Start difference. First operand 3782 states. Second operand 3 states. [2020-09-15 13:19:53,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:19:53,581 INFO L93 Difference]: Finished difference Result 4669 states and 19397 transitions. [2020-09-15 13:19:53,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-15 13:19:53,581 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-09-15 13:19:53,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:19:53,628 INFO L225 Difference]: With dead ends: 4669 [2020-09-15 13:19:53,628 INFO L226 Difference]: Without dead ends: 4342 [2020-09-15 13:19:53,629 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 [2020-09-15 13:19:53,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4342 states. [2020-09-15 13:19:53,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4342 to 3858. [2020-09-15 13:19:53,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3858 states. [2020-09-15 13:19:53,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3858 states to 3858 states and 16290 transitions. [2020-09-15 13:19:53,958 INFO L78 Accepts]: Start accepts. Automaton has 3858 states and 16290 transitions. Word has length 3 [2020-09-15 13:19:53,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:19:53,958 INFO L479 AbstractCegarLoop]: Abstraction has 3858 states and 16290 transitions. [2020-09-15 13:19:53,958 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-15 13:19:53,958 INFO L276 IsEmpty]: Start isEmpty. Operand 3858 states and 16290 transitions. [2020-09-15 13:19:53,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-09-15 13:19:53,959 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:19:53,959 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:19:53,959 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-15 13:19:53,960 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:19:53,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:19:53,960 INFO L82 PathProgramCache]: Analyzing trace with hash -642397451, now seen corresponding path program 1 times [2020-09-15 13:19:53,960 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:19:53,961 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363803651] [2020-09-15 13:19:53,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:19:53,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:19:54,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:19:54,058 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363803651] [2020-09-15 13:19:54,058 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:19:54,058 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-15 13:19:54,058 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383013619] [2020-09-15 13:19:54,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-15 13:19:54,061 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:19:54,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-15 13:19:54,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-15 13:19:54,061 INFO L87 Difference]: Start difference. First operand 3858 states and 16290 transitions. Second operand 5 states. [2020-09-15 13:19:54,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:19:54,260 INFO L93 Difference]: Finished difference Result 6408 states and 25485 transitions. [2020-09-15 13:19:54,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-15 13:19:54,261 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-09-15 13:19:54,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:19:54,340 INFO L225 Difference]: With dead ends: 6408 [2020-09-15 13:19:54,340 INFO L226 Difference]: Without dead ends: 6352 [2020-09-15 13:19:54,340 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-15 13:19:54,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6352 states. [2020-09-15 13:19:54,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6352 to 3890. [2020-09-15 13:19:54,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3890 states. [2020-09-15 13:19:54,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3890 states to 3890 states and 16721 transitions. [2020-09-15 13:19:54,563 INFO L78 Accepts]: Start accepts. Automaton has 3890 states and 16721 transitions. Word has length 10 [2020-09-15 13:19:54,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:19:54,563 INFO L479 AbstractCegarLoop]: Abstraction has 3890 states and 16721 transitions. [2020-09-15 13:19:54,563 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-15 13:19:54,564 INFO L276 IsEmpty]: Start isEmpty. Operand 3890 states and 16721 transitions. [2020-09-15 13:19:54,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-15 13:19:54,569 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:19:54,570 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:19:54,570 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-15 13:19:54,570 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:19:54,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:19:54,570 INFO L82 PathProgramCache]: Analyzing trace with hash -834312959, now seen corresponding path program 1 times [2020-09-15 13:19:54,571 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:19:54,571 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619191978] [2020-09-15 13:19:54,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:19:54,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:19:54,663 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-15 13:19:54,664 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619191978] [2020-09-15 13:19:54,664 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:19:54,664 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-15 13:19:54,667 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959731854] [2020-09-15 13:19:54,667 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-15 13:19:54,667 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:19:54,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-15 13:19:54,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-15 13:19:54,668 INFO L87 Difference]: Start difference. First operand 3890 states and 16721 transitions. Second operand 5 states. [2020-09-15 13:19:54,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:19:54,874 INFO L93 Difference]: Finished difference Result 6754 states and 26605 transitions. [2020-09-15 13:19:54,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-15 13:19:54,874 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-09-15 13:19:54,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:19:54,930 INFO L225 Difference]: With dead ends: 6754 [2020-09-15 13:19:54,930 INFO L226 Difference]: Without dead ends: 6698 [2020-09-15 13:19:54,931 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-15 13:19:54,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6698 states. [2020-09-15 13:19:55,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6698 to 3876. [2020-09-15 13:19:55,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3876 states. [2020-09-15 13:19:55,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3876 states to 3876 states and 16342 transitions. [2020-09-15 13:19:55,702 INFO L78 Accepts]: Start accepts. Automaton has 3876 states and 16342 transitions. Word has length 14 [2020-09-15 13:19:55,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:19:55,702 INFO L479 AbstractCegarLoop]: Abstraction has 3876 states and 16342 transitions. [2020-09-15 13:19:55,702 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-15 13:19:55,703 INFO L276 IsEmpty]: Start isEmpty. Operand 3876 states and 16342 transitions. [2020-09-15 13:19:55,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-15 13:19:55,704 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:19:55,704 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:19:55,704 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-15 13:19:55,705 INFO L427 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:19:55,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:19:55,705 INFO L82 PathProgramCache]: Analyzing trace with hash -1249108271, now seen corresponding path program 1 times [2020-09-15 13:19:55,705 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:19:55,706 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767770517] [2020-09-15 13:19:55,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:19:55,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:19:55,754 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:19:55,755 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767770517] [2020-09-15 13:19:55,755 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:19:55,755 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-15 13:19:55,755 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750393877] [2020-09-15 13:19:55,756 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-15 13:19:55,756 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:19:55,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-15 13:19:55,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-15 13:19:55,756 INFO L87 Difference]: Start difference. First operand 3876 states and 16342 transitions. Second operand 3 states. [2020-09-15 13:19:55,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:19:55,787 INFO L93 Difference]: Finished difference Result 1628 states and 4901 transitions. [2020-09-15 13:19:55,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-15 13:19:55,788 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-09-15 13:19:55,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:19:55,795 INFO L225 Difference]: With dead ends: 1628 [2020-09-15 13:19:55,795 INFO L226 Difference]: Without dead ends: 1628 [2020-09-15 13:19:55,796 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-15 13:19:55,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1628 states. [2020-09-15 13:19:55,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1628 to 1610. [2020-09-15 13:19:55,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1610 states. [2020-09-15 13:19:55,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1610 states to 1610 states and 4847 transitions. [2020-09-15 13:19:55,846 INFO L78 Accepts]: Start accepts. Automaton has 1610 states and 4847 transitions. Word has length 17 [2020-09-15 13:19:55,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:19:55,847 INFO L479 AbstractCegarLoop]: Abstraction has 1610 states and 4847 transitions. [2020-09-15 13:19:55,847 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-15 13:19:55,847 INFO L276 IsEmpty]: Start isEmpty. Operand 1610 states and 4847 transitions. [2020-09-15 13:19:55,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-15 13:19:55,848 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:19:55,848 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:19:55,849 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-15 13:19:55,849 INFO L427 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:19:55,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:19:55,850 INFO L82 PathProgramCache]: Analyzing trace with hash 229330979, now seen corresponding path program 1 times [2020-09-15 13:19:55,850 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:19:55,850 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672820308] [2020-09-15 13:19:55,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:19:55,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:19:55,970 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:19:55,971 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672820308] [2020-09-15 13:19:55,971 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [313217330] [2020-09-15 13:19:55,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-15 13:19:56,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:19:56,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 7 conjunts are in the unsatisfiable core [2020-09-15 13:19:56,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-15 13:19:56,148 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:19:56,148 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-15 13:19:56,149 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-09-15 13:19:56,149 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451830770] [2020-09-15 13:19:56,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-15 13:19:56,149 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:19:56,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-15 13:19:56,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-09-15 13:19:56,150 INFO L87 Difference]: Start difference. First operand 1610 states and 4847 transitions. Second operand 12 states. [2020-09-15 13:19:56,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:19:56,577 INFO L93 Difference]: Finished difference Result 2817 states and 8005 transitions. [2020-09-15 13:19:56,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-15 13:19:56,578 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 18 [2020-09-15 13:19:56,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:19:56,588 INFO L225 Difference]: With dead ends: 2817 [2020-09-15 13:19:56,588 INFO L226 Difference]: Without dead ends: 2796 [2020-09-15 13:19:56,589 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=260, Unknown=0, NotChecked=0, Total=380 [2020-09-15 13:19:56,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2796 states. [2020-09-15 13:19:56,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2796 to 1515. [2020-09-15 13:19:56,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1515 states. [2020-09-15 13:19:56,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 4566 transitions. [2020-09-15 13:19:56,661 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 4566 transitions. Word has length 18 [2020-09-15 13:19:56,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:19:56,662 INFO L479 AbstractCegarLoop]: Abstraction has 1515 states and 4566 transitions. [2020-09-15 13:19:56,662 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-15 13:19:56,662 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 4566 transitions. [2020-09-15 13:19:56,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-15 13:19:56,664 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:19:56,664 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:19:56,880 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-09-15 13:19:56,881 INFO L427 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:19:56,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:19:56,881 INFO L82 PathProgramCache]: Analyzing trace with hash -1406801102, now seen corresponding path program 1 times [2020-09-15 13:19:56,881 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:19:56,881 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236916477] [2020-09-15 13:19:56,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:19:56,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:19:56,966 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-15 13:19:56,966 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236916477] [2020-09-15 13:19:56,966 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:19:56,967 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-15 13:19:56,967 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338115343] [2020-09-15 13:19:56,967 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-15 13:19:56,967 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:19:56,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-15 13:19:56,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-15 13:19:56,968 INFO L87 Difference]: Start difference. First operand 1515 states and 4566 transitions. Second operand 7 states. [2020-09-15 13:19:57,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:19:57,296 INFO L93 Difference]: Finished difference Result 2731 states and 7725 transitions. [2020-09-15 13:19:57,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-15 13:19:57,297 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-09-15 13:19:57,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:19:57,306 INFO L225 Difference]: With dead ends: 2731 [2020-09-15 13:19:57,306 INFO L226 Difference]: Without dead ends: 2698 [2020-09-15 13:19:57,307 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-09-15 13:19:57,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2698 states. [2020-09-15 13:19:57,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2698 to 1205. [2020-09-15 13:19:57,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1205 states. [2020-09-15 13:19:57,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 1205 states and 3518 transitions. [2020-09-15 13:19:57,357 INFO L78 Accepts]: Start accepts. Automaton has 1205 states and 3518 transitions. Word has length 18 [2020-09-15 13:19:57,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:19:57,357 INFO L479 AbstractCegarLoop]: Abstraction has 1205 states and 3518 transitions. [2020-09-15 13:19:57,358 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-15 13:19:57,358 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 3518 transitions. [2020-09-15 13:19:57,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-15 13:19:57,359 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:19:57,359 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:19:57,359 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-15 13:19:57,359 INFO L427 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:19:57,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:19:57,360 INFO L82 PathProgramCache]: Analyzing trace with hash 1086137922, now seen corresponding path program 1 times [2020-09-15 13:19:57,360 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:19:57,361 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742495730] [2020-09-15 13:19:57,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:19:57,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:19:57,467 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-09-15 13:19:57,467 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742495730] [2020-09-15 13:19:57,468 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:19:57,468 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-15 13:19:57,468 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206053682] [2020-09-15 13:19:57,468 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-15 13:19:57,470 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:19:57,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-15 13:19:57,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-15 13:19:57,471 INFO L87 Difference]: Start difference. First operand 1205 states and 3518 transitions. Second operand 5 states. [2020-09-15 13:19:57,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:19:57,606 INFO L93 Difference]: Finished difference Result 2245 states and 6476 transitions. [2020-09-15 13:19:57,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-15 13:19:57,607 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-09-15 13:19:57,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:19:57,615 INFO L225 Difference]: With dead ends: 2245 [2020-09-15 13:19:57,616 INFO L226 Difference]: Without dead ends: 2233 [2020-09-15 13:19:57,622 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-15 13:19:57,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2233 states. [2020-09-15 13:19:57,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2233 to 1434. [2020-09-15 13:19:57,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1434 states. [2020-09-15 13:19:57,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1434 states to 1434 states and 4291 transitions. [2020-09-15 13:19:57,685 INFO L78 Accepts]: Start accepts. Automaton has 1434 states and 4291 transitions. Word has length 18 [2020-09-15 13:19:57,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:19:57,685 INFO L479 AbstractCegarLoop]: Abstraction has 1434 states and 4291 transitions. [2020-09-15 13:19:57,685 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-15 13:19:57,685 INFO L276 IsEmpty]: Start isEmpty. Operand 1434 states and 4291 transitions. [2020-09-15 13:19:57,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-15 13:19:57,687 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:19:57,688 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:19:57,688 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-15 13:19:57,688 INFO L427 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:19:57,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:19:57,689 INFO L82 PathProgramCache]: Analyzing trace with hash 1078743820, now seen corresponding path program 1 times [2020-09-15 13:19:57,689 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:19:57,689 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959504972] [2020-09-15 13:19:57,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:19:57,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-15 13:19:57,721 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-15 13:19:57,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-15 13:19:57,772 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-15 13:19:57,795 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-09-15 13:19:57,796 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-15 13:19:57,796 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-15 13:19:57,796 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-09-15 13:19:57,797 WARN L363 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-09-15 13:19:57,797 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-09-15 13:19:57,811 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,811 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,811 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,811 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,811 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,812 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,812 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,812 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,812 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,812 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,812 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,813 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,813 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,813 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,813 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,813 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,813 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,814 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,814 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,814 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,814 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,814 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,815 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,815 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,815 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,815 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,815 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,815 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,816 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,816 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,816 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,816 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,816 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,816 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,817 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,817 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,817 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,817 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,817 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,817 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,818 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,818 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,818 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,818 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,819 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,819 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,819 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,819 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,819 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,819 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,819 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,820 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,820 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,820 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,820 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,820 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,820 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,821 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,821 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,821 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,821 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,821 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,821 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,822 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,822 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,822 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,822 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,822 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,822 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,823 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,823 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,823 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,823 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,823 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,823 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,823 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,824 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,824 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,824 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,824 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,824 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,824 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,825 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,825 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,825 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,825 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,825 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,825 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,826 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,826 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,826 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,826 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,826 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,826 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,827 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,827 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,827 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,827 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,827 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,827 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,828 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,828 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,828 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,828 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,828 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,828 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,829 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,829 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,829 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,829 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,829 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,829 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,829 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,830 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,830 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,830 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,830 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,830 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,831 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,831 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,831 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,831 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,831 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,831 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,832 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,832 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,832 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,832 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,832 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,833 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,833 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,833 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,833 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,833 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,835 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,835 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,835 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,836 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,836 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,836 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,836 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,836 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,836 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,836 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,838 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,838 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,838 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,839 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,839 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,839 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,839 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,839 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,839 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,839 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,841 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,841 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,841 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,842 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,842 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,842 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,842 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,842 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,842 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,842 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,844 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,844 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,844 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,845 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,845 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,845 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,847 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,847 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,847 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,848 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,848 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,848 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,850 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,850 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,850 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,851 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,851 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,851 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,852 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,853 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,853 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,853 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,853 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,853 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:57,855 INFO L251 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-09-15 13:19:57,855 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-15 13:19:57,855 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-15 13:19:57,855 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-15 13:19:57,856 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-15 13:19:57,856 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-15 13:19:57,856 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-15 13:19:57,856 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-15 13:19:57,856 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-15 13:19:57,858 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 167 places, 163 transitions, 390 flow [2020-09-15 13:19:57,858 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 167 places, 163 transitions, 390 flow [2020-09-15 13:19:57,884 INFO L129 PetriNetUnfolder]: 15/188 cut-off events. [2020-09-15 13:19:57,884 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-09-15 13:19:57,886 INFO L80 FinitePrefix]: Finished finitePrefix Result has 217 conditions, 188 events. 15/188 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 431 event pairs, 0 based on Foata normal form. 0/167 useless extension candidates. Maximal degree in co-relation 208. Up to 10 conditions per place. [2020-09-15 13:19:57,896 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 167 places, 163 transitions, 390 flow [2020-09-15 13:19:57,920 INFO L129 PetriNetUnfolder]: 15/188 cut-off events. [2020-09-15 13:19:57,920 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-09-15 13:19:57,922 INFO L80 FinitePrefix]: Finished finitePrefix Result has 217 conditions, 188 events. 15/188 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 431 event pairs, 0 based on Foata normal form. 0/167 useless extension candidates. Maximal degree in co-relation 208. Up to 10 conditions per place. [2020-09-15 13:19:57,931 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 8100 [2020-09-15 13:19:57,932 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-09-15 13:20:01,264 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 35 [2020-09-15 13:20:01,404 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-09-15 13:20:01,745 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2020-09-15 13:20:01,903 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2020-09-15 13:20:02,730 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 123 [2020-09-15 13:20:02,986 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-09-15 13:20:03,474 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 93 [2020-09-15 13:20:03,648 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-09-15 13:20:03,655 INFO L206 etLargeBlockEncoding]: Checked pairs total: 11405 [2020-09-15 13:20:03,656 INFO L214 etLargeBlockEncoding]: Total number of compositions: 148 [2020-09-15 13:20:03,656 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 59 places, 45 transitions, 154 flow [2020-09-15 13:20:04,761 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 13592 states. [2020-09-15 13:20:04,761 INFO L276 IsEmpty]: Start isEmpty. Operand 13592 states. [2020-09-15 13:20:04,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-09-15 13:20:04,762 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:20:04,762 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-09-15 13:20:04,762 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-15 13:20:04,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:20:04,762 INFO L82 PathProgramCache]: Analyzing trace with hash 1179639, now seen corresponding path program 1 times [2020-09-15 13:20:04,763 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:20:04,763 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385532708] [2020-09-15 13:20:04,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:20:04,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:20:04,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:20:04,798 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385532708] [2020-09-15 13:20:04,798 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:20:04,798 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-09-15 13:20:04,798 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866440292] [2020-09-15 13:20:04,799 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-15 13:20:04,799 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:20:04,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-15 13:20:04,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-15 13:20:04,799 INFO L87 Difference]: Start difference. First operand 13592 states. Second operand 3 states. [2020-09-15 13:20:05,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:20:05,003 INFO L93 Difference]: Finished difference Result 15456 states and 79163 transitions. [2020-09-15 13:20:05,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-15 13:20:05,004 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-09-15 13:20:05,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:20:05,261 INFO L225 Difference]: With dead ends: 15456 [2020-09-15 13:20:05,261 INFO L226 Difference]: Without dead ends: 14450 [2020-09-15 13:20:05,262 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 [2020-09-15 13:20:05,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14450 states. [2020-09-15 13:20:05,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14450 to 13395. [2020-09-15 13:20:05,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13395 states. [2020-09-15 13:20:05,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13395 states to 13395 states and 69324 transitions. [2020-09-15 13:20:05,928 INFO L78 Accepts]: Start accepts. Automaton has 13395 states and 69324 transitions. Word has length 3 [2020-09-15 13:20:05,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:20:05,929 INFO L479 AbstractCegarLoop]: Abstraction has 13395 states and 69324 transitions. [2020-09-15 13:20:05,929 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-15 13:20:05,929 INFO L276 IsEmpty]: Start isEmpty. Operand 13395 states and 69324 transitions. [2020-09-15 13:20:05,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-09-15 13:20:05,929 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:20:05,929 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:20:05,930 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-15 13:20:05,930 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-15 13:20:05,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:20:05,931 INFO L82 PathProgramCache]: Analyzing trace with hash -1279109383, now seen corresponding path program 1 times [2020-09-15 13:20:05,931 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:20:05,931 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410219103] [2020-09-15 13:20:05,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:20:05,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:20:05,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:20:05,992 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410219103] [2020-09-15 13:20:05,993 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:20:05,993 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-15 13:20:05,993 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918126952] [2020-09-15 13:20:05,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-15 13:20:05,994 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:20:05,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-15 13:20:05,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-15 13:20:05,994 INFO L87 Difference]: Start difference. First operand 13395 states and 69324 transitions. Second operand 5 states. [2020-09-15 13:20:07,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:20:07,548 INFO L93 Difference]: Finished difference Result 23586 states and 116096 transitions. [2020-09-15 13:20:07,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-15 13:20:07,549 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-09-15 13:20:07,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:20:07,687 INFO L225 Difference]: With dead ends: 23586 [2020-09-15 13:20:07,687 INFO L226 Difference]: Without dead ends: 23544 [2020-09-15 13:20:07,688 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-15 13:20:07,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23544 states. [2020-09-15 13:20:08,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23544 to 14448. [2020-09-15 13:20:08,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14448 states. [2020-09-15 13:20:08,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14448 states to 14448 states and 75696 transitions. [2020-09-15 13:20:08,511 INFO L78 Accepts]: Start accepts. Automaton has 14448 states and 75696 transitions. Word has length 10 [2020-09-15 13:20:08,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:20:08,513 INFO L479 AbstractCegarLoop]: Abstraction has 14448 states and 75696 transitions. [2020-09-15 13:20:08,513 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-15 13:20:08,513 INFO L276 IsEmpty]: Start isEmpty. Operand 14448 states and 75696 transitions. [2020-09-15 13:20:08,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-15 13:20:08,514 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:20:08,514 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:20:08,514 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-15 13:20:08,515 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-15 13:20:08,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:20:08,515 INFO L82 PathProgramCache]: Analyzing trace with hash -284604684, now seen corresponding path program 1 times [2020-09-15 13:20:08,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:20:08,515 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166979281] [2020-09-15 13:20:08,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:20:08,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:20:08,589 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-15 13:20:08,590 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166979281] [2020-09-15 13:20:08,590 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:20:08,590 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-15 13:20:08,590 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740150001] [2020-09-15 13:20:08,591 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-15 13:20:08,591 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:20:08,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-15 13:20:08,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-15 13:20:08,592 INFO L87 Difference]: Start difference. First operand 14448 states and 75696 transitions. Second operand 5 states. [2020-09-15 13:20:09,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:20:09,255 INFO L93 Difference]: Finished difference Result 25978 states and 129320 transitions. [2020-09-15 13:20:09,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-15 13:20:09,256 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-09-15 13:20:09,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:20:09,361 INFO L225 Difference]: With dead ends: 25978 [2020-09-15 13:20:09,361 INFO L226 Difference]: Without dead ends: 25910 [2020-09-15 13:20:09,362 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-15 13:20:09,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25910 states. [2020-09-15 13:20:10,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25910 to 15939. [2020-09-15 13:20:10,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15939 states. [2020-09-15 13:20:10,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15939 states to 15939 states and 84384 transitions. [2020-09-15 13:20:10,298 INFO L78 Accepts]: Start accepts. Automaton has 15939 states and 84384 transitions. Word has length 14 [2020-09-15 13:20:10,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:20:10,298 INFO L479 AbstractCegarLoop]: Abstraction has 15939 states and 84384 transitions. [2020-09-15 13:20:10,298 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-15 13:20:10,298 INFO L276 IsEmpty]: Start isEmpty. Operand 15939 states and 84384 transitions. [2020-09-15 13:20:10,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-15 13:20:10,300 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:20:10,300 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:20:10,300 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-09-15 13:20:10,300 INFO L427 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-15 13:20:10,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:20:10,301 INFO L82 PathProgramCache]: Analyzing trace with hash -391482428, now seen corresponding path program 1 times [2020-09-15 13:20:10,301 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:20:10,301 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816555928] [2020-09-15 13:20:10,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:20:10,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:20:10,352 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-15 13:20:10,352 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816555928] [2020-09-15 13:20:10,353 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:20:10,353 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-15 13:20:10,353 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079468171] [2020-09-15 13:20:10,353 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-15 13:20:10,353 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:20:10,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-15 13:20:10,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-15 13:20:10,354 INFO L87 Difference]: Start difference. First operand 15939 states and 84384 transitions. Second operand 3 states. [2020-09-15 13:20:10,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:20:10,403 INFO L93 Difference]: Finished difference Result 3357 states and 9797 transitions. [2020-09-15 13:20:10,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-15 13:20:10,403 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-09-15 13:20:10,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:20:10,411 INFO L225 Difference]: With dead ends: 3357 [2020-09-15 13:20:10,411 INFO L226 Difference]: Without dead ends: 3357 [2020-09-15 13:20:10,412 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-15 13:20:10,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3357 states. [2020-09-15 13:20:10,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3357 to 3357. [2020-09-15 13:20:10,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3357 states. [2020-09-15 13:20:10,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3357 states to 3357 states and 9797 transitions. [2020-09-15 13:20:10,708 INFO L78 Accepts]: Start accepts. Automaton has 3357 states and 9797 transitions. Word has length 17 [2020-09-15 13:20:10,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:20:10,709 INFO L479 AbstractCegarLoop]: Abstraction has 3357 states and 9797 transitions. [2020-09-15 13:20:10,709 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-15 13:20:10,709 INFO L276 IsEmpty]: Start isEmpty. Operand 3357 states and 9797 transitions. [2020-09-15 13:20:10,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-15 13:20:10,710 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:20:10,711 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:20:10,711 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-09-15 13:20:10,711 INFO L427 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-15 13:20:10,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:20:10,711 INFO L82 PathProgramCache]: Analyzing trace with hash 1421383457, now seen corresponding path program 1 times [2020-09-15 13:20:10,712 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:20:10,712 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453170605] [2020-09-15 13:20:10,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:20:10,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:20:10,786 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-09-15 13:20:10,786 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453170605] [2020-09-15 13:20:10,786 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:20:10,787 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-15 13:20:10,787 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107140013] [2020-09-15 13:20:10,787 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-15 13:20:10,787 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:20:10,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-15 13:20:10,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-15 13:20:10,788 INFO L87 Difference]: Start difference. First operand 3357 states and 9797 transitions. Second operand 5 states. [2020-09-15 13:20:10,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:20:10,975 INFO L93 Difference]: Finished difference Result 5159 states and 14529 transitions. [2020-09-15 13:20:10,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-15 13:20:10,975 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-09-15 13:20:10,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:20:10,986 INFO L225 Difference]: With dead ends: 5159 [2020-09-15 13:20:10,986 INFO L226 Difference]: Without dead ends: 5149 [2020-09-15 13:20:10,987 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-15 13:20:11,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5149 states. [2020-09-15 13:20:11,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5149 to 3425. [2020-09-15 13:20:11,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3425 states. [2020-09-15 13:20:11,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3425 states to 3425 states and 9962 transitions. [2020-09-15 13:20:11,098 INFO L78 Accepts]: Start accepts. Automaton has 3425 states and 9962 transitions. Word has length 18 [2020-09-15 13:20:11,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:20:11,098 INFO L479 AbstractCegarLoop]: Abstraction has 3425 states and 9962 transitions. [2020-09-15 13:20:11,099 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-15 13:20:11,099 INFO L276 IsEmpty]: Start isEmpty. Operand 3425 states and 9962 transitions. [2020-09-15 13:20:11,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-15 13:20:11,100 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:20:11,100 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:20:11,100 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-09-15 13:20:11,100 INFO L427 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-15 13:20:11,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:20:11,101 INFO L82 PathProgramCache]: Analyzing trace with hash 723420348, now seen corresponding path program 1 times [2020-09-15 13:20:11,101 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:20:11,105 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913362066] [2020-09-15 13:20:11,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:20:11,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:20:11,206 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-15 13:20:11,206 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913362066] [2020-09-15 13:20:11,206 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:20:11,206 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-15 13:20:11,207 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446052469] [2020-09-15 13:20:11,207 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-15 13:20:11,207 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:20:11,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-15 13:20:11,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-15 13:20:11,208 INFO L87 Difference]: Start difference. First operand 3425 states and 9962 transitions. Second operand 7 states. [2020-09-15 13:20:11,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:20:11,635 INFO L93 Difference]: Finished difference Result 6347 states and 17564 transitions. [2020-09-15 13:20:11,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-15 13:20:11,636 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-09-15 13:20:11,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:20:11,646 INFO L225 Difference]: With dead ends: 6347 [2020-09-15 13:20:11,646 INFO L226 Difference]: Without dead ends: 6323 [2020-09-15 13:20:11,647 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-09-15 13:20:11,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6323 states. [2020-09-15 13:20:11,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6323 to 3381. [2020-09-15 13:20:11,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3381 states. [2020-09-15 13:20:11,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3381 states to 3381 states and 9842 transitions. [2020-09-15 13:20:11,754 INFO L78 Accepts]: Start accepts. Automaton has 3381 states and 9842 transitions. Word has length 18 [2020-09-15 13:20:11,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:20:11,755 INFO L479 AbstractCegarLoop]: Abstraction has 3381 states and 9842 transitions. [2020-09-15 13:20:11,755 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-15 13:20:11,755 INFO L276 IsEmpty]: Start isEmpty. Operand 3381 states and 9842 transitions. [2020-09-15 13:20:11,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-15 13:20:11,757 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:20:11,757 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:20:11,757 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-09-15 13:20:11,757 INFO L427 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-15 13:20:11,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:20:11,757 INFO L82 PathProgramCache]: Analyzing trace with hash 830017445, now seen corresponding path program 1 times [2020-09-15 13:20:11,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:20:11,758 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226521740] [2020-09-15 13:20:11,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:20:11,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:20:11,853 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-15 13:20:11,854 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226521740] [2020-09-15 13:20:11,854 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:20:11,854 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-15 13:20:11,854 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094188316] [2020-09-15 13:20:11,855 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-15 13:20:11,855 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:20:11,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-15 13:20:11,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-15 13:20:11,856 INFO L87 Difference]: Start difference. First operand 3381 states and 9842 transitions. Second operand 7 states. [2020-09-15 13:20:12,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:20:12,306 INFO L93 Difference]: Finished difference Result 6300 states and 17419 transitions. [2020-09-15 13:20:12,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-15 13:20:12,307 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-09-15 13:20:12,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:20:12,317 INFO L225 Difference]: With dead ends: 6300 [2020-09-15 13:20:12,317 INFO L226 Difference]: Without dead ends: 6273 [2020-09-15 13:20:12,318 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-09-15 13:20:12,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6273 states. [2020-09-15 13:20:12,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6273 to 3234. [2020-09-15 13:20:12,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3234 states. [2020-09-15 13:20:12,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3234 states to 3234 states and 9399 transitions. [2020-09-15 13:20:12,420 INFO L78 Accepts]: Start accepts. Automaton has 3234 states and 9399 transitions. Word has length 18 [2020-09-15 13:20:12,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:20:12,421 INFO L479 AbstractCegarLoop]: Abstraction has 3234 states and 9399 transitions. [2020-09-15 13:20:12,421 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-15 13:20:12,421 INFO L276 IsEmpty]: Start isEmpty. Operand 3234 states and 9399 transitions. [2020-09-15 13:20:12,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-15 13:20:12,423 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:20:12,424 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:20:12,424 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-09-15 13:20:12,424 INFO L427 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-15 13:20:12,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:20:12,424 INFO L82 PathProgramCache]: Analyzing trace with hash 533807354, now seen corresponding path program 1 times [2020-09-15 13:20:12,424 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:20:12,425 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971624211] [2020-09-15 13:20:12,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:20:12,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:20:12,523 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-15 13:20:12,524 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971624211] [2020-09-15 13:20:12,524 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1954719601] [2020-09-15 13:20:12,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-15 13:20:12,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:20:12,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 7 conjunts are in the unsatisfiable core [2020-09-15 13:20:12,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-15 13:20:12,709 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-15 13:20:12,710 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-15 13:20:12,710 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-09-15 13:20:12,710 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517998579] [2020-09-15 13:20:12,711 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-15 13:20:12,711 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:20:12,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-15 13:20:12,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-09-15 13:20:12,712 INFO L87 Difference]: Start difference. First operand 3234 states and 9399 transitions. Second operand 12 states. [2020-09-15 13:20:13,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:20:13,188 INFO L93 Difference]: Finished difference Result 6095 states and 16808 transitions. [2020-09-15 13:20:13,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-15 13:20:13,189 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 22 [2020-09-15 13:20:13,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:20:13,198 INFO L225 Difference]: With dead ends: 6095 [2020-09-15 13:20:13,198 INFO L226 Difference]: Without dead ends: 6079 [2020-09-15 13:20:13,200 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2020-09-15 13:20:13,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6079 states. [2020-09-15 13:20:13,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6079 to 3118. [2020-09-15 13:20:13,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3118 states. [2020-09-15 13:20:13,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3118 states to 3118 states and 9018 transitions. [2020-09-15 13:20:13,342 INFO L78 Accepts]: Start accepts. Automaton has 3118 states and 9018 transitions. Word has length 22 [2020-09-15 13:20:13,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:20:13,342 INFO L479 AbstractCegarLoop]: Abstraction has 3118 states and 9018 transitions. [2020-09-15 13:20:13,342 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-15 13:20:13,342 INFO L276 IsEmpty]: Start isEmpty. Operand 3118 states and 9018 transitions. [2020-09-15 13:20:13,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-15 13:20:13,345 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:20:13,345 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:20:13,558 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-15 13:20:13,559 INFO L427 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-15 13:20:13,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:20:13,559 INFO L82 PathProgramCache]: Analyzing trace with hash 152610057, now seen corresponding path program 1 times [2020-09-15 13:20:13,560 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:20:13,560 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751975832] [2020-09-15 13:20:13,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:20:13,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-15 13:20:13,578 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-15 13:20:13,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-15 13:20:13,593 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-15 13:20:13,602 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-09-15 13:20:13,603 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-15 13:20:13,603 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-09-15 13:20:13,603 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-09-15 13:20:13,604 WARN L363 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2020-09-15 13:20:13,604 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2020-09-15 13:20:13,621 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,621 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,621 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,621 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,622 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,622 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,622 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,622 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,622 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,622 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,622 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,623 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,623 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,623 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,623 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,623 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,623 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,624 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,624 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,624 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,624 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,624 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,624 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,625 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,625 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,625 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,625 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,625 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,625 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,625 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,625 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,626 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,626 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,626 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,626 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,626 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,626 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,626 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,627 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,627 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,627 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,627 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,627 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,627 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,628 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,628 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,628 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,628 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,628 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,628 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,628 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,628 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,629 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,629 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,629 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,629 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,629 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,629 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,629 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,630 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,630 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,630 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,630 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,630 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,630 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,631 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,631 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,631 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,631 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,631 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,631 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,631 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,632 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,632 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,632 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,632 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,632 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,632 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,632 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,633 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,633 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,633 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,633 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,633 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,633 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,633 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,634 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,634 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,634 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,634 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,634 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,634 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,634 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,635 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,635 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,635 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,635 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,635 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,635 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,635 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,636 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,636 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,636 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,636 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,636 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,636 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,637 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,637 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,637 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,637 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,637 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,637 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,637 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,637 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,638 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,638 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,638 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,638 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,638 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,638 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,639 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,639 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,639 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,639 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,639 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,639 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,639 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,639 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,640 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,640 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,640 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,640 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,640 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,640 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,640 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,641 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,641 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,641 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,641 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,641 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,641 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,642 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,642 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,642 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,642 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,642 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,642 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,642 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,643 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,643 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,643 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,643 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,643 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,643 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,643 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,644 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,644 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,644 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,644 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,644 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,645 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,645 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,645 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,645 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,645 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,647 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,647 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,648 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,648 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,648 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,648 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,648 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,648 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,648 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,649 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,652 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,652 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,653 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,653 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,653 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,653 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,653 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,653 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,654 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,654 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,655 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,655 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,655 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,656 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,656 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,656 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,656 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,656 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,656 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,657 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,658 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,658 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,658 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,659 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,659 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,659 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,659 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,659 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,659 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,659 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,661 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,661 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,662 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,662 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,662 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,662 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,664 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,664 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,664 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,664 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,664 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,664 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,666 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,666 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,666 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,666 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,666 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,667 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,668 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,668 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,668 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,668 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,669 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,669 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,672 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,672 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,673 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,673 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,673 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,673 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:20:13,675 INFO L251 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-09-15 13:20:13,675 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-15 13:20:13,676 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-15 13:20:13,676 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-15 13:20:13,676 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-15 13:20:13,676 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-15 13:20:13,676 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-15 13:20:13,676 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-15 13:20:13,676 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-15 13:20:13,678 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 197 places, 192 transitions, 474 flow [2020-09-15 13:20:13,678 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 197 places, 192 transitions, 474 flow [2020-09-15 13:20:13,710 INFO L129 PetriNetUnfolder]: 18/222 cut-off events. [2020-09-15 13:20:13,710 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-09-15 13:20:13,713 INFO L80 FinitePrefix]: Finished finitePrefix Result has 260 conditions, 222 events. 18/222 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 532 event pairs, 0 based on Foata normal form. 0/197 useless extension candidates. Maximal degree in co-relation 249. Up to 12 conditions per place. [2020-09-15 13:20:13,726 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 197 places, 192 transitions, 474 flow [2020-09-15 13:20:13,757 INFO L129 PetriNetUnfolder]: 18/222 cut-off events. [2020-09-15 13:20:13,757 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-09-15 13:20:13,761 INFO L80 FinitePrefix]: Finished finitePrefix Result has 260 conditions, 222 events. 18/222 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 532 event pairs, 0 based on Foata normal form. 0/197 useless extension candidates. Maximal degree in co-relation 249. Up to 12 conditions per place. [2020-09-15 13:20:13,773 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 11754 [2020-09-15 13:20:13,773 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-09-15 13:20:17,309 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 35 [2020-09-15 13:20:18,594 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2020-09-15 13:20:18,963 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-09-15 13:20:18,973 INFO L206 etLargeBlockEncoding]: Checked pairs total: 17538 [2020-09-15 13:20:18,974 INFO L214 etLargeBlockEncoding]: Total number of compositions: 176 [2020-09-15 13:20:18,974 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 73 places, 56 transitions, 202 flow [2020-09-15 13:20:45,842 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 97217 states. [2020-09-15 13:20:45,842 INFO L276 IsEmpty]: Start isEmpty. Operand 97217 states. [2020-09-15 13:20:45,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-09-15 13:20:45,843 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:20:45,843 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-09-15 13:20:45,843 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:20:45,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:20:45,843 INFO L82 PathProgramCache]: Analyzing trace with hash 1584808, now seen corresponding path program 1 times [2020-09-15 13:20:45,844 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:20:45,844 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147268172] [2020-09-15 13:20:45,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:20:45,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:20:45,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:20:45,868 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147268172] [2020-09-15 13:20:45,868 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:20:45,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-09-15 13:20:45,869 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973667887] [2020-09-15 13:20:45,869 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-15 13:20:45,869 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:20:45,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-15 13:20:45,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-15 13:20:45,871 INFO L87 Difference]: Start difference. First operand 97217 states. Second operand 3 states. [2020-09-15 13:20:46,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:20:46,923 INFO L93 Difference]: Finished difference Result 118175 states and 731030 transitions. [2020-09-15 13:20:46,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-15 13:20:46,924 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-09-15 13:20:46,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:20:47,436 INFO L225 Difference]: With dead ends: 118175 [2020-09-15 13:20:47,436 INFO L226 Difference]: Without dead ends: 110531 [2020-09-15 13:20:47,436 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 [2020-09-15 13:20:53,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110531 states. [2020-09-15 13:20:58,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110531 to 100755. [2020-09-15 13:20:58,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100755 states. [2020-09-15 13:20:59,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100755 states to 100755 states and 628402 transitions. [2020-09-15 13:20:59,119 INFO L78 Accepts]: Start accepts. Automaton has 100755 states and 628402 transitions. Word has length 3 [2020-09-15 13:20:59,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:20:59,119 INFO L479 AbstractCegarLoop]: Abstraction has 100755 states and 628402 transitions. [2020-09-15 13:20:59,119 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-15 13:20:59,119 INFO L276 IsEmpty]: Start isEmpty. Operand 100755 states and 628402 transitions. [2020-09-15 13:20:59,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-09-15 13:20:59,119 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:20:59,120 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:20:59,120 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-09-15 13:20:59,120 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:20:59,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:20:59,120 INFO L82 PathProgramCache]: Analyzing trace with hash 706336859, now seen corresponding path program 1 times [2020-09-15 13:20:59,121 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:20:59,121 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125099045] [2020-09-15 13:20:59,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:20:59,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:20:59,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:20:59,170 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125099045] [2020-09-15 13:20:59,170 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:20:59,170 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-15 13:20:59,170 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078872791] [2020-09-15 13:20:59,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-15 13:20:59,171 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:20:59,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-15 13:20:59,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-15 13:20:59,171 INFO L87 Difference]: Start difference. First operand 100755 states and 628402 transitions. Second operand 5 states. [2020-09-15 13:21:06,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:21:06,079 INFO L93 Difference]: Finished difference Result 187755 states and 1125902 transitions. [2020-09-15 13:21:06,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-15 13:21:06,080 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-09-15 13:21:06,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:21:06,954 INFO L225 Difference]: With dead ends: 187755 [2020-09-15 13:21:06,954 INFO L226 Difference]: Without dead ends: 187578 [2020-09-15 13:21:06,954 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-15 13:21:10,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187578 states. [2020-09-15 13:21:14,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187578 to 111945. [2020-09-15 13:21:14,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111945 states. [2020-09-15 13:21:25,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111945 states to 111945 states and 706831 transitions. [2020-09-15 13:21:25,531 INFO L78 Accepts]: Start accepts. Automaton has 111945 states and 706831 transitions. Word has length 10 [2020-09-15 13:21:25,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:21:25,531 INFO L479 AbstractCegarLoop]: Abstraction has 111945 states and 706831 transitions. [2020-09-15 13:21:25,531 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-15 13:21:25,531 INFO L276 IsEmpty]: Start isEmpty. Operand 111945 states and 706831 transitions. [2020-09-15 13:21:25,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-15 13:21:25,532 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:21:25,532 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:21:25,532 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-09-15 13:21:25,532 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:21:25,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:21:25,532 INFO L82 PathProgramCache]: Analyzing trace with hash -748578768, now seen corresponding path program 1 times [2020-09-15 13:21:25,533 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:21:25,533 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943116635] [2020-09-15 13:21:25,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:21:25,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:21:25,590 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-15 13:21:25,591 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943116635] [2020-09-15 13:21:25,591 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:21:25,591 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-15 13:21:25,591 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068950070] [2020-09-15 13:21:25,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-15 13:21:25,592 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:21:25,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-15 13:21:25,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-15 13:21:25,593 INFO L87 Difference]: Start difference. First operand 111945 states and 706831 transitions. Second operand 5 states. [2020-09-15 13:21:34,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:21:34,884 INFO L93 Difference]: Finished difference Result 212246 states and 1288288 transitions. [2020-09-15 13:21:34,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-15 13:21:34,885 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-09-15 13:21:34,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:21:35,970 INFO L225 Difference]: With dead ends: 212246 [2020-09-15 13:21:35,970 INFO L226 Difference]: Without dead ends: 211934 [2020-09-15 13:21:35,970 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-15 13:21:38,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211934 states. [2020-09-15 13:21:43,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211934 to 127498. [2020-09-15 13:21:43,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127498 states. [2020-09-15 13:21:45,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127498 states to 127498 states and 815584 transitions. [2020-09-15 13:21:45,452 INFO L78 Accepts]: Start accepts. Automaton has 127498 states and 815584 transitions. Word has length 14 [2020-09-15 13:21:45,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:21:45,453 INFO L479 AbstractCegarLoop]: Abstraction has 127498 states and 815584 transitions. [2020-09-15 13:21:45,453 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-15 13:21:45,453 INFO L276 IsEmpty]: Start isEmpty. Operand 127498 states and 815584 transitions. [2020-09-15 13:21:45,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-15 13:21:45,454 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:21:45,455 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:21:45,455 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-09-15 13:21:45,455 INFO L427 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:21:45,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:21:45,455 INFO L82 PathProgramCache]: Analyzing trace with hash 921085459, now seen corresponding path program 1 times [2020-09-15 13:21:45,456 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:21:45,456 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540700438] [2020-09-15 13:21:45,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:21:45,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:21:45,512 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:21:45,512 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540700438] [2020-09-15 13:21:45,512 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:21:45,513 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-15 13:21:45,513 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364252386] [2020-09-15 13:21:45,513 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-15 13:21:45,513 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:21:45,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-15 13:21:45,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-15 13:21:45,514 INFO L87 Difference]: Start difference. First operand 127498 states and 815584 transitions. Second operand 3 states. [2020-09-15 13:21:45,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:21:45,620 INFO L93 Difference]: Finished difference Result 14050 states and 46115 transitions. [2020-09-15 13:21:45,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-15 13:21:45,621 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-09-15 13:21:45,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:21:45,648 INFO L225 Difference]: With dead ends: 14050 [2020-09-15 13:21:45,648 INFO L226 Difference]: Without dead ends: 14050 [2020-09-15 13:21:45,648 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-15 13:21:45,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14050 states. [2020-09-15 13:21:45,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14050 to 13870. [2020-09-15 13:21:45,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13870 states. [2020-09-15 13:21:45,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13870 states to 13870 states and 45593 transitions. [2020-09-15 13:21:45,959 INFO L78 Accepts]: Start accepts. Automaton has 13870 states and 45593 transitions. Word has length 17 [2020-09-15 13:21:45,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:21:45,959 INFO L479 AbstractCegarLoop]: Abstraction has 13870 states and 45593 transitions. [2020-09-15 13:21:45,959 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-15 13:21:45,960 INFO L276 IsEmpty]: Start isEmpty. Operand 13870 states and 45593 transitions. [2020-09-15 13:21:45,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-15 13:21:45,960 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:21:45,961 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:21:45,961 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-09-15 13:21:45,961 INFO L427 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:21:45,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:21:45,961 INFO L82 PathProgramCache]: Analyzing trace with hash -1755375156, now seen corresponding path program 1 times [2020-09-15 13:21:45,962 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:21:45,962 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561359196] [2020-09-15 13:21:45,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:21:45,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:21:46,044 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:21:46,045 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561359196] [2020-09-15 13:21:46,045 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1879012281] [2020-09-15 13:21:46,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-15 13:21:46,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:21:46,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 7 conjunts are in the unsatisfiable core [2020-09-15 13:21:46,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-15 13:21:46,214 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:21:46,214 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-15 13:21:46,215 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-09-15 13:21:46,215 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244544337] [2020-09-15 13:21:46,215 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-15 13:21:46,215 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:21:46,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-15 13:21:46,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-09-15 13:21:46,216 INFO L87 Difference]: Start difference. First operand 13870 states and 45593 transitions. Second operand 12 states. [2020-09-15 13:21:46,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:21:46,859 INFO L93 Difference]: Finished difference Result 28297 states and 88595 transitions. [2020-09-15 13:21:46,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-15 13:21:46,859 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 18 [2020-09-15 13:21:46,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:21:46,915 INFO L225 Difference]: With dead ends: 28297 [2020-09-15 13:21:46,915 INFO L226 Difference]: Without dead ends: 28227 [2020-09-15 13:21:46,915 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2020-09-15 13:21:47,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28227 states. [2020-09-15 13:21:49,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28227 to 13185. [2020-09-15 13:21:49,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13185 states. [2020-09-15 13:21:49,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13185 states to 13185 states and 43189 transitions. [2020-09-15 13:21:49,714 INFO L78 Accepts]: Start accepts. Automaton has 13185 states and 43189 transitions. Word has length 18 [2020-09-15 13:21:49,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:21:49,714 INFO L479 AbstractCegarLoop]: Abstraction has 13185 states and 43189 transitions. [2020-09-15 13:21:49,714 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-15 13:21:49,714 INFO L276 IsEmpty]: Start isEmpty. Operand 13185 states and 43189 transitions. [2020-09-15 13:21:49,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-15 13:21:49,715 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:21:49,715 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:21:49,921 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2020-09-15 13:21:49,922 INFO L427 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:21:49,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:21:49,922 INFO L82 PathProgramCache]: Analyzing trace with hash -1676322857, now seen corresponding path program 1 times [2020-09-15 13:21:49,923 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:21:49,923 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437908869] [2020-09-15 13:21:49,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:21:49,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:21:50,008 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-15 13:21:50,009 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437908869] [2020-09-15 13:21:50,009 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:21:50,009 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-15 13:21:50,009 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998479878] [2020-09-15 13:21:50,009 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-15 13:21:50,010 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:21:50,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-15 13:21:50,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-15 13:21:50,010 INFO L87 Difference]: Start difference. First operand 13185 states and 43189 transitions. Second operand 7 states. [2020-09-15 13:21:50,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:21:50,617 INFO L93 Difference]: Finished difference Result 28575 states and 89516 transitions. [2020-09-15 13:21:50,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-15 13:21:50,618 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-09-15 13:21:50,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:21:50,674 INFO L225 Difference]: With dead ends: 28575 [2020-09-15 13:21:50,674 INFO L226 Difference]: Without dead ends: 28491 [2020-09-15 13:21:50,674 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-09-15 13:21:50,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28491 states. [2020-09-15 13:21:51,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28491 to 12294. [2020-09-15 13:21:51,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12294 states. [2020-09-15 13:21:51,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12294 states to 12294 states and 40114 transitions. [2020-09-15 13:21:51,087 INFO L78 Accepts]: Start accepts. Automaton has 12294 states and 40114 transitions. Word has length 18 [2020-09-15 13:21:51,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:21:51,087 INFO L479 AbstractCegarLoop]: Abstraction has 12294 states and 40114 transitions. [2020-09-15 13:21:51,087 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-15 13:21:51,087 INFO L276 IsEmpty]: Start isEmpty. Operand 12294 states and 40114 transitions. [2020-09-15 13:21:51,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-15 13:21:51,088 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:21:51,089 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:21:51,089 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-09-15 13:21:51,089 INFO L427 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:21:51,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:21:51,089 INFO L82 PathProgramCache]: Analyzing trace with hash -1820904367, now seen corresponding path program 1 times [2020-09-15 13:21:51,089 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:21:51,090 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620909846] [2020-09-15 13:21:51,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:21:51,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:21:51,152 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-09-15 13:21:51,152 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620909846] [2020-09-15 13:21:51,152 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:21:51,152 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-15 13:21:51,153 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840972995] [2020-09-15 13:21:51,153 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-15 13:21:51,153 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:21:51,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-15 13:21:51,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-15 13:21:51,154 INFO L87 Difference]: Start difference. First operand 12294 states and 40114 transitions. Second operand 5 states. [2020-09-15 13:21:51,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:21:51,465 INFO L93 Difference]: Finished difference Result 24605 states and 79893 transitions. [2020-09-15 13:21:51,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-15 13:21:51,465 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-09-15 13:21:51,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:21:51,538 INFO L225 Difference]: With dead ends: 24605 [2020-09-15 13:21:51,538 INFO L226 Difference]: Without dead ends: 24581 [2020-09-15 13:21:51,539 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-15 13:21:51,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24581 states. [2020-09-15 13:21:51,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24581 to 13787. [2020-09-15 13:21:51,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13787 states. [2020-09-15 13:21:51,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13787 states to 13787 states and 45295 transitions. [2020-09-15 13:21:51,957 INFO L78 Accepts]: Start accepts. Automaton has 13787 states and 45295 transitions. Word has length 18 [2020-09-15 13:21:51,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:21:51,957 INFO L479 AbstractCegarLoop]: Abstraction has 13787 states and 45295 transitions. [2020-09-15 13:21:51,957 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-15 13:21:51,957 INFO L276 IsEmpty]: Start isEmpty. Operand 13787 states and 45295 transitions. [2020-09-15 13:21:51,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-15 13:21:51,959 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:21:51,959 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:21:51,959 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-09-15 13:21:51,959 INFO L427 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:21:51,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:21:51,959 INFO L82 PathProgramCache]: Analyzing trace with hash 862095341, now seen corresponding path program 1 times [2020-09-15 13:21:51,960 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:21:51,960 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903392820] [2020-09-15 13:21:51,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:21:51,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:21:52,052 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-15 13:21:52,053 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903392820] [2020-09-15 13:21:52,053 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1822206358] [2020-09-15 13:21:52,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-15 13:21:52,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:21:52,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 7 conjunts are in the unsatisfiable core [2020-09-15 13:21:52,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-15 13:21:52,235 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-15 13:21:52,235 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-15 13:21:52,235 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-09-15 13:21:52,236 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217293168] [2020-09-15 13:21:52,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-15 13:21:52,236 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:21:52,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-15 13:21:52,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-09-15 13:21:52,239 INFO L87 Difference]: Start difference. First operand 13787 states and 45295 transitions. Second operand 12 states. [2020-09-15 13:21:53,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:21:53,014 INFO L93 Difference]: Finished difference Result 31898 states and 102145 transitions. [2020-09-15 13:21:53,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-15 13:21:53,014 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 22 [2020-09-15 13:21:53,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:21:53,102 INFO L225 Difference]: With dead ends: 31898 [2020-09-15 13:21:53,103 INFO L226 Difference]: Without dead ends: 31865 [2020-09-15 13:21:53,103 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2020-09-15 13:21:53,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31865 states. [2020-09-15 13:21:53,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31865 to 13520. [2020-09-15 13:21:53,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13520 states. [2020-09-15 13:21:53,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13520 states to 13520 states and 44395 transitions. [2020-09-15 13:21:53,607 INFO L78 Accepts]: Start accepts. Automaton has 13520 states and 44395 transitions. Word has length 22 [2020-09-15 13:21:53,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:21:53,608 INFO L479 AbstractCegarLoop]: Abstraction has 13520 states and 44395 transitions. [2020-09-15 13:21:53,608 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-15 13:21:53,608 INFO L276 IsEmpty]: Start isEmpty. Operand 13520 states and 44395 transitions. [2020-09-15 13:21:53,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-15 13:21:53,609 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:21:53,609 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:21:53,825 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-15 13:21:53,826 INFO L427 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:21:53,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:21:53,826 INFO L82 PathProgramCache]: Analyzing trace with hash 611812975, now seen corresponding path program 1 times [2020-09-15 13:21:53,826 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:21:53,827 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189350139] [2020-09-15 13:21:53,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:21:53,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:21:53,911 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-15 13:21:53,911 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189350139] [2020-09-15 13:21:53,911 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1098283669] [2020-09-15 13:21:53,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-15 13:21:54,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:21:54,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 7 conjunts are in the unsatisfiable core [2020-09-15 13:21:54,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-15 13:21:54,136 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-15 13:21:54,137 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-15 13:21:54,137 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-09-15 13:21:54,137 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591334115] [2020-09-15 13:21:54,138 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-15 13:21:54,138 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:21:54,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-15 13:21:54,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-09-15 13:21:54,138 INFO L87 Difference]: Start difference. First operand 13520 states and 44395 transitions. Second operand 12 states. [2020-09-15 13:21:54,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:21:54,901 INFO L93 Difference]: Finished difference Result 32253 states and 103231 transitions. [2020-09-15 13:21:54,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-15 13:21:54,902 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 22 [2020-09-15 13:21:54,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:21:54,968 INFO L225 Difference]: With dead ends: 32253 [2020-09-15 13:21:54,968 INFO L226 Difference]: Without dead ends: 32220 [2020-09-15 13:21:54,969 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2020-09-15 13:21:55,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32220 states. [2020-09-15 13:21:55,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32220 to 13635. [2020-09-15 13:21:55,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13635 states. [2020-09-15 13:21:55,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13635 states to 13635 states and 44805 transitions. [2020-09-15 13:21:55,434 INFO L78 Accepts]: Start accepts. Automaton has 13635 states and 44805 transitions. Word has length 22 [2020-09-15 13:21:55,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:21:55,435 INFO L479 AbstractCegarLoop]: Abstraction has 13635 states and 44805 transitions. [2020-09-15 13:21:55,435 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-15 13:21:55,435 INFO L276 IsEmpty]: Start isEmpty. Operand 13635 states and 44805 transitions. [2020-09-15 13:21:55,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-15 13:21:55,437 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:21:55,437 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:21:55,645 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2020-09-15 13:21:55,645 INFO L427 AbstractCegarLoop]: === Iteration 10 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:21:55,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:21:55,646 INFO L82 PathProgramCache]: Analyzing trace with hash -704732583, now seen corresponding path program 1 times [2020-09-15 13:21:55,647 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:21:55,647 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758370187] [2020-09-15 13:21:55,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:21:55,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:21:55,740 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-09-15 13:21:55,740 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758370187] [2020-09-15 13:21:55,740 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:21:55,740 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-15 13:21:55,741 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145607851] [2020-09-15 13:21:55,741 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-15 13:21:55,741 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:21:55,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-15 13:21:55,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-15 13:21:55,742 INFO L87 Difference]: Start difference. First operand 13635 states and 44805 transitions. Second operand 7 states. [2020-09-15 13:21:56,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:21:56,606 INFO L93 Difference]: Finished difference Result 32335 states and 103485 transitions. [2020-09-15 13:21:56,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-15 13:21:56,607 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2020-09-15 13:21:56,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:21:56,704 INFO L225 Difference]: With dead ends: 32335 [2020-09-15 13:21:56,704 INFO L226 Difference]: Without dead ends: 32283 [2020-09-15 13:21:56,708 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-09-15 13:21:56,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32283 states. [2020-09-15 13:21:57,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32283 to 13344. [2020-09-15 13:21:57,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13344 states. [2020-09-15 13:21:57,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13344 states to 13344 states and 43620 transitions. [2020-09-15 13:21:57,257 INFO L78 Accepts]: Start accepts. Automaton has 13344 states and 43620 transitions. Word has length 22 [2020-09-15 13:21:57,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:21:57,257 INFO L479 AbstractCegarLoop]: Abstraction has 13344 states and 43620 transitions. [2020-09-15 13:21:57,257 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-15 13:21:57,257 INFO L276 IsEmpty]: Start isEmpty. Operand 13344 states and 43620 transitions. [2020-09-15 13:21:57,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-15 13:21:57,259 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:21:57,259 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:21:57,259 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-09-15 13:21:57,259 INFO L427 AbstractCegarLoop]: === Iteration 11 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:21:57,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:21:57,260 INFO L82 PathProgramCache]: Analyzing trace with hash -704227934, now seen corresponding path program 1 times [2020-09-15 13:21:57,260 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:21:57,260 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868394920] [2020-09-15 13:21:57,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:21:57,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:21:57,360 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-09-15 13:21:57,361 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868394920] [2020-09-15 13:21:57,361 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:21:57,361 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-15 13:21:57,361 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799651961] [2020-09-15 13:21:57,361 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-15 13:21:57,362 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:21:57,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-15 13:21:57,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-15 13:21:57,362 INFO L87 Difference]: Start difference. First operand 13344 states and 43620 transitions. Second operand 7 states. [2020-09-15 13:21:58,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:21:58,010 INFO L93 Difference]: Finished difference Result 32291 states and 103296 transitions. [2020-09-15 13:21:58,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-15 13:21:58,011 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2020-09-15 13:21:58,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:21:58,076 INFO L225 Difference]: With dead ends: 32291 [2020-09-15 13:21:58,076 INFO L226 Difference]: Without dead ends: 32239 [2020-09-15 13:21:58,077 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-09-15 13:21:58,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32239 states. [2020-09-15 13:21:58,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32239 to 13053. [2020-09-15 13:21:58,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13053 states. [2020-09-15 13:21:58,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13053 states to 13053 states and 42435 transitions. [2020-09-15 13:21:58,543 INFO L78 Accepts]: Start accepts. Automaton has 13053 states and 42435 transitions. Word has length 22 [2020-09-15 13:21:58,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:21:58,544 INFO L479 AbstractCegarLoop]: Abstraction has 13053 states and 42435 transitions. [2020-09-15 13:21:58,544 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-15 13:21:58,544 INFO L276 IsEmpty]: Start isEmpty. Operand 13053 states and 42435 transitions. [2020-09-15 13:21:58,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-15 13:21:58,546 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:21:58,546 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:21:58,546 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-09-15 13:21:58,547 INFO L427 AbstractCegarLoop]: === Iteration 12 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:21:58,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:21:58,547 INFO L82 PathProgramCache]: Analyzing trace with hash 804840611, now seen corresponding path program 1 times [2020-09-15 13:21:58,547 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:21:58,547 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214210728] [2020-09-15 13:21:58,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:21:58,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:21:58,622 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-09-15 13:21:58,622 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214210728] [2020-09-15 13:21:58,622 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:21:58,622 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-15 13:21:58,622 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529884982] [2020-09-15 13:21:58,623 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-15 13:21:58,623 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:21:58,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-15 13:21:58,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-15 13:21:58,623 INFO L87 Difference]: Start difference. First operand 13053 states and 42435 transitions. Second operand 5 states. [2020-09-15 13:21:58,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:21:58,930 INFO L93 Difference]: Finished difference Result 22796 states and 72726 transitions. [2020-09-15 13:21:58,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-15 13:21:58,931 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-09-15 13:21:58,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:21:58,975 INFO L225 Difference]: With dead ends: 22796 [2020-09-15 13:21:58,975 INFO L226 Difference]: Without dead ends: 22772 [2020-09-15 13:21:58,975 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-15 13:21:59,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22772 states. [2020-09-15 13:21:59,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22772 to 14368. [2020-09-15 13:21:59,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14368 states. [2020-09-15 13:21:59,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14368 states to 14368 states and 47032 transitions. [2020-09-15 13:21:59,480 INFO L78 Accepts]: Start accepts. Automaton has 14368 states and 47032 transitions. Word has length 22 [2020-09-15 13:21:59,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:21:59,480 INFO L479 AbstractCegarLoop]: Abstraction has 14368 states and 47032 transitions. [2020-09-15 13:21:59,480 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-15 13:21:59,480 INFO L276 IsEmpty]: Start isEmpty. Operand 14368 states and 47032 transitions. [2020-09-15 13:21:59,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-15 13:21:59,485 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:21:59,485 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:21:59,486 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-09-15 13:21:59,486 INFO L427 AbstractCegarLoop]: === Iteration 13 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:21:59,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:21:59,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1897376779, now seen corresponding path program 1 times [2020-09-15 13:21:59,486 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:21:59,487 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998684022] [2020-09-15 13:21:59,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:21:59,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:21:59,618 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:21:59,619 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998684022] [2020-09-15 13:21:59,619 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1707179644] [2020-09-15 13:21:59,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-15 13:21:59,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:21:59,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjunts are in the unsatisfiable core [2020-09-15 13:21:59,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-15 13:21:59,847 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-15 13:21:59,847 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-15 13:21:59,847 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2020-09-15 13:21:59,848 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393922972] [2020-09-15 13:21:59,848 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-15 13:21:59,848 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:21:59,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-15 13:21:59,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-09-15 13:21:59,849 INFO L87 Difference]: Start difference. First operand 14368 states and 47032 transitions. Second operand 16 states. [2020-09-15 13:22:01,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:22:01,606 INFO L93 Difference]: Finished difference Result 41694 states and 132241 transitions. [2020-09-15 13:22:01,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-15 13:22:01,607 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 26 [2020-09-15 13:22:01,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:22:01,760 INFO L225 Difference]: With dead ends: 41694 [2020-09-15 13:22:01,760 INFO L226 Difference]: Without dead ends: 41661 [2020-09-15 13:22:01,762 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 327 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=397, Invalid=1085, Unknown=0, NotChecked=0, Total=1482 [2020-09-15 13:22:02,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41661 states. [2020-09-15 13:22:02,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41661 to 14289. [2020-09-15 13:22:02,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14289 states. [2020-09-15 13:22:02,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14289 states to 14289 states and 46800 transitions. [2020-09-15 13:22:02,426 INFO L78 Accepts]: Start accepts. Automaton has 14289 states and 46800 transitions. Word has length 26 [2020-09-15 13:22:02,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:22:02,426 INFO L479 AbstractCegarLoop]: Abstraction has 14289 states and 46800 transitions. [2020-09-15 13:22:02,426 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-15 13:22:02,427 INFO L276 IsEmpty]: Start isEmpty. Operand 14289 states and 46800 transitions. [2020-09-15 13:22:02,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-15 13:22:02,430 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:22:02,430 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:22:02,631 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-15 13:22:02,631 INFO L427 AbstractCegarLoop]: === Iteration 14 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:22:02,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:22:02,632 INFO L82 PathProgramCache]: Analyzing trace with hash 580831221, now seen corresponding path program 1 times [2020-09-15 13:22:02,632 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:22:02,633 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738173590] [2020-09-15 13:22:02,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:22:02,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:22:02,745 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-15 13:22:02,746 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738173590] [2020-09-15 13:22:02,746 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1383004042] [2020-09-15 13:22:02,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-15 13:22:02,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:22:02,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjunts are in the unsatisfiable core [2020-09-15 13:22:02,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-15 13:22:02,972 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-15 13:22:02,972 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-15 13:22:02,972 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2020-09-15 13:22:02,972 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031199895] [2020-09-15 13:22:02,973 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-15 13:22:02,973 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:22:02,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-15 13:22:02,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-09-15 13:22:02,974 INFO L87 Difference]: Start difference. First operand 14289 states and 46800 transitions. Second operand 16 states. [2020-09-15 13:22:04,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:22:04,628 INFO L93 Difference]: Finished difference Result 41099 states and 130275 transitions. [2020-09-15 13:22:04,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-15 13:22:04,629 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 26 [2020-09-15 13:22:04,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:22:04,717 INFO L225 Difference]: With dead ends: 41099 [2020-09-15 13:22:04,717 INFO L226 Difference]: Without dead ends: 41038 [2020-09-15 13:22:04,718 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 329 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=397, Invalid=1085, Unknown=0, NotChecked=0, Total=1482 [2020-09-15 13:22:04,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41038 states. [2020-09-15 13:22:05,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41038 to 14154. [2020-09-15 13:22:05,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14154 states. [2020-09-15 13:22:05,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14154 states to 14154 states and 46395 transitions. [2020-09-15 13:22:05,281 INFO L78 Accepts]: Start accepts. Automaton has 14154 states and 46395 transitions. Word has length 26 [2020-09-15 13:22:05,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:22:05,282 INFO L479 AbstractCegarLoop]: Abstraction has 14154 states and 46395 transitions. [2020-09-15 13:22:05,282 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-15 13:22:05,282 INFO L276 IsEmpty]: Start isEmpty. Operand 14154 states and 46395 transitions. [2020-09-15 13:22:05,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-15 13:22:05,285 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:22:05,286 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:22:05,486 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2020-09-15 13:22:05,487 INFO L427 AbstractCegarLoop]: === Iteration 15 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:22:05,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:22:05,487 INFO L82 PathProgramCache]: Analyzing trace with hash 2090404415, now seen corresponding path program 1 times [2020-09-15 13:22:05,488 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:22:05,488 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016135566] [2020-09-15 13:22:05,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:22:05,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:22:05,577 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-09-15 13:22:05,578 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016135566] [2020-09-15 13:22:05,578 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378880626] [2020-09-15 13:22:05,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-15 13:22:05,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:22:05,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 7 conjunts are in the unsatisfiable core [2020-09-15 13:22:05,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-15 13:22:05,751 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-09-15 13:22:05,751 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-15 13:22:05,751 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-09-15 13:22:05,752 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029548408] [2020-09-15 13:22:05,752 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-15 13:22:05,752 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:22:05,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-15 13:22:05,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-09-15 13:22:05,753 INFO L87 Difference]: Start difference. First operand 14154 states and 46395 transitions. Second operand 12 states. [2020-09-15 13:22:06,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:22:06,430 INFO L93 Difference]: Finished difference Result 30015 states and 94989 transitions. [2020-09-15 13:22:06,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-15 13:22:06,431 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 26 [2020-09-15 13:22:06,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:22:06,490 INFO L225 Difference]: With dead ends: 30015 [2020-09-15 13:22:06,490 INFO L226 Difference]: Without dead ends: 29979 [2020-09-15 13:22:06,491 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2020-09-15 13:22:06,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29979 states. [2020-09-15 13:22:07,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29979 to 14016. [2020-09-15 13:22:07,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14016 states. [2020-09-15 13:22:07,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14016 states to 14016 states and 45925 transitions. [2020-09-15 13:22:07,093 INFO L78 Accepts]: Start accepts. Automaton has 14016 states and 45925 transitions. Word has length 26 [2020-09-15 13:22:07,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:22:07,093 INFO L479 AbstractCegarLoop]: Abstraction has 14016 states and 45925 transitions. [2020-09-15 13:22:07,093 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-15 13:22:07,093 INFO L276 IsEmpty]: Start isEmpty. Operand 14016 states and 45925 transitions. [2020-09-15 13:22:07,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-15 13:22:07,097 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:22:07,097 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:22:07,298 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2020-09-15 13:22:07,298 INFO L427 AbstractCegarLoop]: === Iteration 16 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:22:07,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:22:07,299 INFO L82 PathProgramCache]: Analyzing trace with hash 1259126849, now seen corresponding path program 1 times [2020-09-15 13:22:07,299 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:22:07,300 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482460928] [2020-09-15 13:22:07,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:22:07,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:22:07,391 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-15 13:22:07,392 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482460928] [2020-09-15 13:22:07,392 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1982154064] [2020-09-15 13:22:07,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-15 13:22:07,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:22:07,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 7 conjunts are in the unsatisfiable core [2020-09-15 13:22:07,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-15 13:22:07,576 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-15 13:22:07,576 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-15 13:22:07,576 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-09-15 13:22:07,576 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892646793] [2020-09-15 13:22:07,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-15 13:22:07,577 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:22:07,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-15 13:22:07,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-09-15 13:22:07,577 INFO L87 Difference]: Start difference. First operand 14016 states and 45925 transitions. Second operand 12 states. [2020-09-15 13:22:08,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:22:08,384 INFO L93 Difference]: Finished difference Result 31636 states and 100720 transitions. [2020-09-15 13:22:08,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-15 13:22:08,385 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 26 [2020-09-15 13:22:08,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:22:08,449 INFO L225 Difference]: With dead ends: 31636 [2020-09-15 13:22:08,449 INFO L226 Difference]: Without dead ends: 31600 [2020-09-15 13:22:08,450 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2020-09-15 13:22:08,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31600 states. [2020-09-15 13:22:08,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31600 to 14486. [2020-09-15 13:22:08,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14486 states. [2020-09-15 13:22:08,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14486 states to 14486 states and 47676 transitions. [2020-09-15 13:22:08,921 INFO L78 Accepts]: Start accepts. Automaton has 14486 states and 47676 transitions. Word has length 26 [2020-09-15 13:22:08,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:22:08,921 INFO L479 AbstractCegarLoop]: Abstraction has 14486 states and 47676 transitions. [2020-09-15 13:22:08,921 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-15 13:22:08,921 INFO L276 IsEmpty]: Start isEmpty. Operand 14486 states and 47676 transitions. [2020-09-15 13:22:08,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-15 13:22:08,925 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:22:08,925 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:22:09,126 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2020-09-15 13:22:09,126 INFO L427 AbstractCegarLoop]: === Iteration 17 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:22:09,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:22:09,127 INFO L82 PathProgramCache]: Analyzing trace with hash 1815374016, now seen corresponding path program 1 times [2020-09-15 13:22:09,127 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:22:09,128 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865562944] [2020-09-15 13:22:09,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:22:09,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:22:09,255 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-15 13:22:09,255 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865562944] [2020-09-15 13:22:09,255 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [36302146] [2020-09-15 13:22:09,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-15 13:22:09,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:22:09,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjunts are in the unsatisfiable core [2020-09-15 13:22:09,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-15 13:22:09,524 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-15 13:22:09,524 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-15 13:22:09,524 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2020-09-15 13:22:09,525 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258657056] [2020-09-15 13:22:09,525 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-15 13:22:09,525 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:22:09,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-15 13:22:09,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-09-15 13:22:09,526 INFO L87 Difference]: Start difference. First operand 14486 states and 47676 transitions. Second operand 16 states. [2020-09-15 13:22:11,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:22:11,175 INFO L93 Difference]: Finished difference Result 41659 states and 132230 transitions. [2020-09-15 13:22:11,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-15 13:22:11,176 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 26 [2020-09-15 13:22:11,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:22:11,444 INFO L225 Difference]: With dead ends: 41659 [2020-09-15 13:22:11,445 INFO L226 Difference]: Without dead ends: 41612 [2020-09-15 13:22:11,445 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 329 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=397, Invalid=1085, Unknown=0, NotChecked=0, Total=1482 [2020-09-15 13:22:11,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41612 states. [2020-09-15 13:22:11,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41612 to 14407. [2020-09-15 13:22:11,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14407 states. [2020-09-15 13:22:11,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14407 states to 14407 states and 47444 transitions. [2020-09-15 13:22:11,971 INFO L78 Accepts]: Start accepts. Automaton has 14407 states and 47444 transitions. Word has length 26 [2020-09-15 13:22:11,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:22:11,971 INFO L479 AbstractCegarLoop]: Abstraction has 14407 states and 47444 transitions. [2020-09-15 13:22:11,971 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-15 13:22:11,971 INFO L276 IsEmpty]: Start isEmpty. Operand 14407 states and 47444 transitions. [2020-09-15 13:22:11,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-15 13:22:11,975 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:22:11,975 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:22:12,184 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2020-09-15 13:22:12,185 INFO L427 AbstractCegarLoop]: === Iteration 18 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:22:12,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:22:12,185 INFO L82 PathProgramCache]: Analyzing trace with hash 1360285835, now seen corresponding path program 2 times [2020-09-15 13:22:12,186 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:22:12,186 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794718790] [2020-09-15 13:22:12,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:22:12,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:22:12,338 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-15 13:22:12,339 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794718790] [2020-09-15 13:22:12,339 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2003585190] [2020-09-15 13:22:12,340 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-15 13:22:12,443 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-09-15 13:22:12,443 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-15 13:22:12,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjunts are in the unsatisfiable core [2020-09-15 13:22:12,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-15 13:22:12,568 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-15 13:22:12,569 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-15 13:22:12,569 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2020-09-15 13:22:12,569 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421184234] [2020-09-15 13:22:12,570 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-15 13:22:12,570 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:22:12,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-15 13:22:12,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-09-15 13:22:12,570 INFO L87 Difference]: Start difference. First operand 14407 states and 47444 transitions. Second operand 16 states. [2020-09-15 13:22:14,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:22:14,331 INFO L93 Difference]: Finished difference Result 39924 states and 125955 transitions. [2020-09-15 13:22:14,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-15 13:22:14,332 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 26 [2020-09-15 13:22:14,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:22:14,415 INFO L225 Difference]: With dead ends: 39924 [2020-09-15 13:22:14,415 INFO L226 Difference]: Without dead ends: 39877 [2020-09-15 13:22:14,416 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 328 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=397, Invalid=1085, Unknown=0, NotChecked=0, Total=1482 [2020-09-15 13:22:14,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39877 states. [2020-09-15 13:22:14,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39877 to 14132. [2020-09-15 13:22:14,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14132 states. [2020-09-15 13:22:14,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14132 states to 14132 states and 46578 transitions. [2020-09-15 13:22:14,964 INFO L78 Accepts]: Start accepts. Automaton has 14132 states and 46578 transitions. Word has length 26 [2020-09-15 13:22:14,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:22:14,964 INFO L479 AbstractCegarLoop]: Abstraction has 14132 states and 46578 transitions. [2020-09-15 13:22:14,964 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-15 13:22:14,964 INFO L276 IsEmpty]: Start isEmpty. Operand 14132 states and 46578 transitions. [2020-09-15 13:22:14,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-15 13:22:14,968 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:22:14,968 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:22:15,169 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2020-09-15 13:22:15,169 INFO L427 AbstractCegarLoop]: === Iteration 19 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:22:15,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:22:15,170 INFO L82 PathProgramCache]: Analyzing trace with hash -1755372160, now seen corresponding path program 2 times [2020-09-15 13:22:15,170 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:22:15,170 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050879396] [2020-09-15 13:22:15,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:22:15,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:22:15,435 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-09-15 13:22:15,436 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050879396] [2020-09-15 13:22:15,436 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:22:15,436 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-15 13:22:15,436 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153898257] [2020-09-15 13:22:15,437 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-15 13:22:15,437 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:22:15,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-15 13:22:15,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-09-15 13:22:15,437 INFO L87 Difference]: Start difference. First operand 14132 states and 46578 transitions. Second operand 9 states. [2020-09-15 13:22:16,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:22:16,943 INFO L93 Difference]: Finished difference Result 41319 states and 131131 transitions. [2020-09-15 13:22:16,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-15 13:22:16,944 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 26 [2020-09-15 13:22:16,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:22:17,068 INFO L225 Difference]: With dead ends: 41319 [2020-09-15 13:22:17,068 INFO L226 Difference]: Without dead ends: 41263 [2020-09-15 13:22:17,069 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-09-15 13:22:17,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41263 states. [2020-09-15 13:22:17,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41263 to 13736. [2020-09-15 13:22:17,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13736 states. [2020-09-15 13:22:17,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13736 states to 13736 states and 45132 transitions. [2020-09-15 13:22:17,668 INFO L78 Accepts]: Start accepts. Automaton has 13736 states and 45132 transitions. Word has length 26 [2020-09-15 13:22:17,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:22:17,668 INFO L479 AbstractCegarLoop]: Abstraction has 13736 states and 45132 transitions. [2020-09-15 13:22:17,668 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-15 13:22:17,668 INFO L276 IsEmpty]: Start isEmpty. Operand 13736 states and 45132 transitions. [2020-09-15 13:22:17,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-15 13:22:17,673 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:22:17,673 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:22:17,674 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2020-09-15 13:22:17,674 INFO L427 AbstractCegarLoop]: === Iteration 20 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:22:17,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:22:17,674 INFO L82 PathProgramCache]: Analyzing trace with hash 431445621, now seen corresponding path program 2 times [2020-09-15 13:22:17,674 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:22:17,674 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980805125] [2020-09-15 13:22:17,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:22:17,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:22:17,797 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-09-15 13:22:17,798 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980805125] [2020-09-15 13:22:17,798 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:22:17,798 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-15 13:22:17,798 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989703592] [2020-09-15 13:22:17,799 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-15 13:22:17,799 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:22:17,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-15 13:22:17,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-09-15 13:22:17,799 INFO L87 Difference]: Start difference. First operand 13736 states and 45132 transitions. Second operand 9 states. [2020-09-15 13:22:19,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:22:19,229 INFO L93 Difference]: Finished difference Result 40797 states and 129302 transitions. [2020-09-15 13:22:19,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-15 13:22:19,229 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 26 [2020-09-15 13:22:19,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:22:19,312 INFO L225 Difference]: With dead ends: 40797 [2020-09-15 13:22:19,312 INFO L226 Difference]: Without dead ends: 40717 [2020-09-15 13:22:19,313 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2020-09-15 13:22:19,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40717 states. [2020-09-15 13:22:19,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40717 to 12973. [2020-09-15 13:22:19,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12973 states. [2020-09-15 13:22:19,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12973 states to 12973 states and 42382 transitions. [2020-09-15 13:22:19,996 INFO L78 Accepts]: Start accepts. Automaton has 12973 states and 42382 transitions. Word has length 26 [2020-09-15 13:22:19,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:22:19,996 INFO L479 AbstractCegarLoop]: Abstraction has 12973 states and 42382 transitions. [2020-09-15 13:22:19,996 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-15 13:22:19,996 INFO L276 IsEmpty]: Start isEmpty. Operand 12973 states and 42382 transitions. [2020-09-15 13:22:20,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-15 13:22:20,000 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:22:20,000 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:22:20,001 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2020-09-15 13:22:20,001 INFO L427 AbstractCegarLoop]: === Iteration 21 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:22:20,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:22:20,001 INFO L82 PathProgramCache]: Analyzing trace with hash -1899180499, now seen corresponding path program 1 times [2020-09-15 13:22:20,001 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:22:20,001 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146768471] [2020-09-15 13:22:20,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:22:20,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:22:20,100 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-09-15 13:22:20,100 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146768471] [2020-09-15 13:22:20,100 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1404340696] [2020-09-15 13:22:20,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-15 13:22:20,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:22:20,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 7 conjunts are in the unsatisfiable core [2020-09-15 13:22:20,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-15 13:22:20,312 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-09-15 13:22:20,313 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-15 13:22:20,313 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-09-15 13:22:20,313 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629307341] [2020-09-15 13:22:20,313 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-15 13:22:20,314 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:22:20,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-15 13:22:20,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-09-15 13:22:20,314 INFO L87 Difference]: Start difference. First operand 12973 states and 42382 transitions. Second operand 12 states. [2020-09-15 13:22:21,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:22:21,004 INFO L93 Difference]: Finished difference Result 32044 states and 103297 transitions. [2020-09-15 13:22:21,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-15 13:22:21,005 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 26 [2020-09-15 13:22:21,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:22:21,068 INFO L225 Difference]: With dead ends: 32044 [2020-09-15 13:22:21,068 INFO L226 Difference]: Without dead ends: 32018 [2020-09-15 13:22:21,068 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2020-09-15 13:22:21,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32018 states. [2020-09-15 13:22:21,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32018 to 12978. [2020-09-15 13:22:21,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12978 states. [2020-09-15 13:22:21,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12978 states to 12978 states and 42356 transitions. [2020-09-15 13:22:21,512 INFO L78 Accepts]: Start accepts. Automaton has 12978 states and 42356 transitions. Word has length 26 [2020-09-15 13:22:21,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:22:21,512 INFO L479 AbstractCegarLoop]: Abstraction has 12978 states and 42356 transitions. [2020-09-15 13:22:21,512 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-15 13:22:21,512 INFO L276 IsEmpty]: Start isEmpty. Operand 12978 states and 42356 transitions. [2020-09-15 13:22:21,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-15 13:22:21,516 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:22:21,516 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:22:21,716 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-15 13:22:21,717 INFO L427 AbstractCegarLoop]: === Iteration 22 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:22:21,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:22:21,717 INFO L82 PathProgramCache]: Analyzing trace with hash 152437866, now seen corresponding path program 1 times [2020-09-15 13:22:21,717 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:22:21,718 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466680996] [2020-09-15 13:22:21,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:22:21,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:22:21,803 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-09-15 13:22:21,804 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466680996] [2020-09-15 13:22:21,804 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:22:21,804 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-15 13:22:21,804 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996580562] [2020-09-15 13:22:21,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-15 13:22:21,805 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:22:21,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-15 13:22:21,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-15 13:22:21,805 INFO L87 Difference]: Start difference. First operand 12978 states and 42356 transitions. Second operand 7 states. [2020-09-15 13:22:22,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:22:22,476 INFO L93 Difference]: Finished difference Result 31921 states and 102815 transitions. [2020-09-15 13:22:22,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-15 13:22:22,477 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-09-15 13:22:22,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:22:22,560 INFO L225 Difference]: With dead ends: 31921 [2020-09-15 13:22:22,561 INFO L226 Difference]: Without dead ends: 31901 [2020-09-15 13:22:22,561 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-09-15 13:22:22,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31901 states. [2020-09-15 13:22:22,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31901 to 13027. [2020-09-15 13:22:22,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13027 states. [2020-09-15 13:22:23,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13027 states to 13027 states and 42312 transitions. [2020-09-15 13:22:23,015 INFO L78 Accepts]: Start accepts. Automaton has 13027 states and 42312 transitions. Word has length 26 [2020-09-15 13:22:23,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:22:23,016 INFO L479 AbstractCegarLoop]: Abstraction has 13027 states and 42312 transitions. [2020-09-15 13:22:23,016 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-15 13:22:23,016 INFO L276 IsEmpty]: Start isEmpty. Operand 13027 states and 42312 transitions. [2020-09-15 13:22:23,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-15 13:22:23,020 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:22:23,020 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:22:23,020 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2020-09-15 13:22:23,020 INFO L427 AbstractCegarLoop]: === Iteration 23 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:22:23,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:22:23,020 INFO L82 PathProgramCache]: Analyzing trace with hash 152253416, now seen corresponding path program 1 times [2020-09-15 13:22:23,021 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:22:23,021 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975613830] [2020-09-15 13:22:23,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:22:23,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:22:23,236 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-09-15 13:22:23,237 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975613830] [2020-09-15 13:22:23,237 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:22:23,237 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-15 13:22:23,237 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855821363] [2020-09-15 13:22:23,237 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-15 13:22:23,237 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:22:23,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-15 13:22:23,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-15 13:22:23,238 INFO L87 Difference]: Start difference. First operand 13027 states and 42312 transitions. Second operand 7 states. [2020-09-15 13:22:23,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:22:23,867 INFO L93 Difference]: Finished difference Result 30274 states and 95920 transitions. [2020-09-15 13:22:23,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-15 13:22:23,867 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-09-15 13:22:23,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:22:23,930 INFO L225 Difference]: With dead ends: 30274 [2020-09-15 13:22:23,930 INFO L226 Difference]: Without dead ends: 30232 [2020-09-15 13:22:23,930 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-09-15 13:22:24,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30232 states. [2020-09-15 13:22:24,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30232 to 13336. [2020-09-15 13:22:24,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13336 states. [2020-09-15 13:22:24,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13336 states to 13336 states and 43434 transitions. [2020-09-15 13:22:24,372 INFO L78 Accepts]: Start accepts. Automaton has 13336 states and 43434 transitions. Word has length 26 [2020-09-15 13:22:24,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:22:24,372 INFO L479 AbstractCegarLoop]: Abstraction has 13336 states and 43434 transitions. [2020-09-15 13:22:24,372 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-15 13:22:24,372 INFO L276 IsEmpty]: Start isEmpty. Operand 13336 states and 43434 transitions. [2020-09-15 13:22:24,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-15 13:22:24,376 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:22:24,376 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:22:24,377 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2020-09-15 13:22:24,377 INFO L427 AbstractCegarLoop]: === Iteration 24 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:22:24,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:22:24,377 INFO L82 PathProgramCache]: Analyzing trace with hash 152758065, now seen corresponding path program 1 times [2020-09-15 13:22:24,377 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:22:24,377 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538531724] [2020-09-15 13:22:24,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:22:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:22:24,472 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-09-15 13:22:24,472 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538531724] [2020-09-15 13:22:24,472 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:22:24,472 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-15 13:22:24,473 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001292155] [2020-09-15 13:22:24,473 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-15 13:22:24,473 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:22:24,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-15 13:22:24,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-15 13:22:24,474 INFO L87 Difference]: Start difference. First operand 13336 states and 43434 transitions. Second operand 7 states. [2020-09-15 13:22:25,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:22:25,128 INFO L93 Difference]: Finished difference Result 30377 states and 96218 transitions. [2020-09-15 13:22:25,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-15 13:22:25,129 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-09-15 13:22:25,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:22:25,188 INFO L225 Difference]: With dead ends: 30377 [2020-09-15 13:22:25,189 INFO L226 Difference]: Without dead ends: 30335 [2020-09-15 13:22:25,189 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-09-15 13:22:25,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30335 states. [2020-09-15 13:22:25,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30335 to 13332. [2020-09-15 13:22:25,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13332 states. [2020-09-15 13:22:25,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13332 states to 13332 states and 43406 transitions. [2020-09-15 13:22:25,621 INFO L78 Accepts]: Start accepts. Automaton has 13332 states and 43406 transitions. Word has length 26 [2020-09-15 13:22:25,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:22:25,621 INFO L479 AbstractCegarLoop]: Abstraction has 13332 states and 43406 transitions. [2020-09-15 13:22:25,621 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-15 13:22:25,621 INFO L276 IsEmpty]: Start isEmpty. Operand 13332 states and 43406 transitions. [2020-09-15 13:22:25,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-15 13:22:25,625 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:22:25,625 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:22:25,625 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2020-09-15 13:22:25,625 INFO L427 AbstractCegarLoop]: === Iteration 25 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:22:25,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:22:25,625 INFO L82 PathProgramCache]: Analyzing trace with hash -1394308057, now seen corresponding path program 1 times [2020-09-15 13:22:25,626 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:22:25,626 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933294242] [2020-09-15 13:22:25,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:22:25,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:22:25,691 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-09-15 13:22:25,692 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933294242] [2020-09-15 13:22:25,692 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:22:25,692 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-15 13:22:25,693 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464662831] [2020-09-15 13:22:25,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-15 13:22:25,693 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:22:25,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-15 13:22:25,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-15 13:22:25,694 INFO L87 Difference]: Start difference. First operand 13332 states and 43406 transitions. Second operand 5 states. [2020-09-15 13:22:25,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:22:25,993 INFO L93 Difference]: Finished difference Result 22152 states and 70551 transitions. [2020-09-15 13:22:25,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-15 13:22:25,994 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-09-15 13:22:25,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:22:26,035 INFO L225 Difference]: With dead ends: 22152 [2020-09-15 13:22:26,035 INFO L226 Difference]: Without dead ends: 22136 [2020-09-15 13:22:26,035 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-15 13:22:26,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22136 states. [2020-09-15 13:22:26,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22136 to 14503. [2020-09-15 13:22:26,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14503 states. [2020-09-15 13:22:26,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14503 states to 14503 states and 47492 transitions. [2020-09-15 13:22:26,528 INFO L78 Accepts]: Start accepts. Automaton has 14503 states and 47492 transitions. Word has length 26 [2020-09-15 13:22:26,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:22:26,530 INFO L479 AbstractCegarLoop]: Abstraction has 14503 states and 47492 transitions. [2020-09-15 13:22:26,530 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-15 13:22:26,530 INFO L276 IsEmpty]: Start isEmpty. Operand 14503 states and 47492 transitions. [2020-09-15 13:22:26,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-15 13:22:26,534 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:22:26,534 INFO L422 BasicCegarLoop]: trace histogram [6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:22:26,534 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2020-09-15 13:22:26,534 INFO L427 AbstractCegarLoop]: === Iteration 26 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:22:26,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:22:26,535 INFO L82 PathProgramCache]: Analyzing trace with hash -1404687835, now seen corresponding path program 1 times [2020-09-15 13:22:26,535 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:22:26,535 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368428908] [2020-09-15 13:22:26,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:22:26,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-15 13:22:26,549 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-15 13:22:26,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-15 13:22:26,564 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-15 13:22:26,574 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-09-15 13:22:26,574 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-15 13:22:26,575 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2020-09-15 13:22:26,575 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-09-15 13:22:26,575 WARN L363 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2020-09-15 13:22:26,576 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2020-09-15 13:22:26,600 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,600 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,601 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,601 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,601 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,601 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,601 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,601 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,601 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,601 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,601 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,601 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,602 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,602 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,602 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,602 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,602 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,602 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,602 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,603 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,603 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,603 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,603 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,603 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,603 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,603 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,604 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,604 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,604 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,604 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,604 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,604 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,604 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,605 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,605 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,605 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,605 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,605 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,605 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,605 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,605 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,606 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,606 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,606 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,606 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,606 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,606 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,606 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,607 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,607 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,607 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,607 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,607 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,607 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,607 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,608 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,608 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,608 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,608 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,608 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,608 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,608 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,609 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,609 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,609 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,609 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,609 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,609 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,609 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,610 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,610 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,610 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,610 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,610 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,610 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,610 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,610 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,611 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,611 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,611 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,611 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,611 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,611 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,611 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,612 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,612 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,612 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,612 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,612 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,612 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,612 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,613 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,613 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,613 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,613 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,613 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,613 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,613 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,613 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,614 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,614 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,614 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,614 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,614 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,614 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,614 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,615 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,615 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,615 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,615 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,615 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,615 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,615 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,615 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,615 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,616 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,616 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,616 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,616 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,616 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,616 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,616 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,616 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,616 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,616 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,616 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,617 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,617 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,617 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,617 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,617 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,617 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,617 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,617 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,617 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,617 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,618 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,618 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,618 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,618 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,618 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,618 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,618 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,618 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,618 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,618 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,618 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,619 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,619 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,619 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,619 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,619 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,619 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,619 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,619 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,619 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,619 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,619 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,620 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,620 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,620 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,620 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,620 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,620 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,620 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,620 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,620 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,620 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,620 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,621 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,621 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,621 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,621 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,621 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,621 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,621 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,621 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,621 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,621 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,621 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,621 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,622 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,622 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,622 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,622 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,622 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,622 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,622 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,622 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,622 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,623 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,623 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,623 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,623 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,623 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,623 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,624 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,625 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,625 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,625 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,625 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,625 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,625 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,625 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,625 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,626 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,627 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,627 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,627 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,627 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,627 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,628 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,628 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,628 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,628 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,628 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,630 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,630 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,630 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,630 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,630 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,630 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,630 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,631 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,631 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,631 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,638 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,638 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,639 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,639 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,639 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,639 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,639 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,639 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,639 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,640 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,641 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,641 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,641 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,642 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,642 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,642 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,642 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,642 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,642 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,642 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,644 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,644 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,644 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,644 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,644 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,645 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,646 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,646 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,646 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,646 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,646 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,647 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,648 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,648 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,648 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,648 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,649 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,649 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,650 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,650 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,650 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,650 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,651 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,651 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,652 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,652 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,652 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,652 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,653 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,653 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,654 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,654 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,654 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,654 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,655 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,655 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:26,656 INFO L251 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2020-09-15 13:22:26,656 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-15 13:22:26,656 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-15 13:22:26,657 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-15 13:22:26,657 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-15 13:22:26,657 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-15 13:22:26,657 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-15 13:22:26,657 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-15 13:22:26,657 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-15 13:22:26,659 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 227 places, 221 transitions, 562 flow [2020-09-15 13:22:26,659 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 227 places, 221 transitions, 562 flow [2020-09-15 13:22:26,695 INFO L129 PetriNetUnfolder]: 21/256 cut-off events. [2020-09-15 13:22:26,695 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2020-09-15 13:22:26,699 INFO L80 FinitePrefix]: Finished finitePrefix Result has 304 conditions, 256 events. 21/256 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 643 event pairs, 0 based on Foata normal form. 0/227 useless extension candidates. Maximal degree in co-relation 291. Up to 14 conditions per place. [2020-09-15 13:22:26,710 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 227 places, 221 transitions, 562 flow [2020-09-15 13:22:26,746 INFO L129 PetriNetUnfolder]: 21/256 cut-off events. [2020-09-15 13:22:26,746 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2020-09-15 13:22:26,750 INFO L80 FinitePrefix]: Finished finitePrefix Result has 304 conditions, 256 events. 21/256 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 643 event pairs, 0 based on Foata normal form. 0/227 useless extension candidates. Maximal degree in co-relation 291. Up to 14 conditions per place. [2020-09-15 13:22:26,761 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 16092 [2020-09-15 13:22:26,761 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-09-15 13:22:31,403 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2020-09-15 13:22:31,520 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 35 [2020-09-15 13:22:31,779 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 33 [2020-09-15 13:22:32,084 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 33 [2020-09-15 13:22:32,735 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2020-09-15 13:22:32,902 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-09-15 13:22:32,955 INFO L206 etLargeBlockEncoding]: Checked pairs total: 26011 [2020-09-15 13:22:32,956 INFO L214 etLargeBlockEncoding]: Total number of compositions: 201 [2020-09-15 13:22:32,956 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 86 places, 66 transitions, 252 flow