/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-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-60655ea [2020-09-15 13:18:32,301 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-15 13:18:32,308 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-15 13:18:32,377 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-15 13:18:32,377 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-15 13:18:32,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-15 13:18:32,394 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-15 13:18:32,397 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-15 13:18:32,400 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-15 13:18:32,405 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-15 13:18:32,407 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-15 13:18:32,411 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-15 13:18:32,412 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-15 13:18:32,419 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-15 13:18:32,423 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-15 13:18:32,428 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-15 13:18:32,431 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-15 13:18:32,434 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-15 13:18:32,438 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-15 13:18:32,448 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-15 13:18:32,452 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-15 13:18:32,455 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-15 13:18:32,457 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-15 13:18:32,459 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-15 13:18:32,468 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-15 13:18:32,491 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-15 13:18:32,493 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-15 13:18:32,496 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-15 13:18:32,497 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 13:18:32,562 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-15 13:18:32,563 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-15 13:18:32,568 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-15 13:18:32,568 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-15 13:18:32,569 INFO L138 SettingsManager]: * Use SBE=true [2020-09-15 13:18:32,569 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-15 13:18:32,570 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-15 13:18:32,570 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-15 13:18:32,570 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-15 13:18:32,571 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-15 13:18:32,572 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-15 13:18:32,573 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-15 13:18:32,573 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-15 13:18:32,574 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-15 13:18:32,574 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-15 13:18:32,574 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-15 13:18:32,575 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-15 13:18:32,575 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-15 13:18:32,575 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-15 13:18:32,575 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-15 13:18:32,576 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-15 13:18:32,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-15 13:18:32,576 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-15 13:18:32,576 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-09-15 13:18:32,577 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-15 13:18:32,577 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-15 13:18:32,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-15 13:18:32,578 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-09-15 13:18:32,578 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-15 13:18:33,122 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-15 13:18:33,144 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-15 13:18:33,151 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-15 13:18:33,154 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-15 13:18:33,154 INFO L275 PluginConnector]: CDTParser initialized [2020-09-15 13:18:33,156 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-1.i [2020-09-15 13:18:33,302 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8891635d0/951893b5d54c4a63b13f700ba72453ee/FLAG33c41932a [2020-09-15 13:18:34,136 INFO L306 CDTParser]: Found 1 translation units. [2020-09-15 13:18:34,137 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-1.i [2020-09-15 13:18:34,168 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8891635d0/951893b5d54c4a63b13f700ba72453ee/FLAG33c41932a [2020-09-15 13:18:34,208 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8891635d0/951893b5d54c4a63b13f700ba72453ee [2020-09-15 13:18:34,228 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-15 13:18:34,236 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-09-15 13:18:34,238 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-15 13:18:34,239 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-15 13:18:34,244 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-15 13:18:34,246 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 01:18:34" (1/1) ... [2020-09-15 13:18:34,251 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13f835b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:18:34, skipping insertion in model container [2020-09-15 13:18:34,252 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 01:18:34" (1/1) ... [2020-09-15 13:18:34,265 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-15 13:18:34,323 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-15 13:18:35,024 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-15 13:18:35,055 INFO L203 MainTranslator]: Completed pre-run [2020-09-15 13:18:35,119 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-15 13:18:35,240 INFO L208 MainTranslator]: Completed translation [2020-09-15 13:18:35,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:18:35 WrapperNode [2020-09-15 13:18:35,244 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-15 13:18:35,246 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-15 13:18:35,246 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-15 13:18:35,247 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-15 13:18:35,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:18:35" (1/1) ... [2020-09-15 13:18:35,325 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:18:35" (1/1) ... [2020-09-15 13:18:35,389 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-15 13:18:35,392 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-15 13:18:35,392 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-15 13:18:35,392 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-15 13:18:35,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:18:35" (1/1) ... [2020-09-15 13:18:35,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:18:35" (1/1) ... [2020-09-15 13:18:35,421 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:18:35" (1/1) ... [2020-09-15 13:18:35,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:18:35" (1/1) ... [2020-09-15 13:18:35,440 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:18:35" (1/1) ... [2020-09-15 13:18:35,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:18:35" (1/1) ... [2020-09-15 13:18:35,450 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:18:35" (1/1) ... [2020-09-15 13:18:35,454 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-15 13:18:35,455 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-15 13:18:35,455 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-15 13:18:35,455 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-15 13:18:35,458 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:18:35" (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 13:18:35,562 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2020-09-15 13:18:35,562 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2020-09-15 13:18:35,563 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-09-15 13:18:35,563 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-09-15 13:18:35,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-15 13:18:35,563 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-09-15 13:18:35,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-15 13:18:35,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-15 13:18:35,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-15 13:18:35,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-15 13:18:35,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-15 13:18:35,566 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 13:18:36,108 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-15 13:18:36,109 INFO L295 CfgBuilder]: Removed 11 assume(true) statements. [2020-09-15 13:18:36,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 01:18:36 BoogieIcfgContainer [2020-09-15 13:18:36,117 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-15 13:18:36,118 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-15 13:18:36,119 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-15 13:18:36,124 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-15 13:18:36,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 01:18:34" (1/3) ... [2020-09-15 13:18:36,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d075beb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 01:18:36, skipping insertion in model container [2020-09-15 13:18:36,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:18:35" (2/3) ... [2020-09-15 13:18:36,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d075beb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 01:18:36, skipping insertion in model container [2020-09-15 13:18:36,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 01:18:36" (3/3) ... [2020-09-15 13:18:36,130 INFO L109 eAbstractionObserver]: Analyzing ICFG nondet-loop-bound-variant-1.i [2020-09-15 13:18:36,149 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-15 13:18:36,150 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-15 13:18:36,166 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-15 13:18:36,168 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-15 13:18:36,215 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:36,216 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:36,216 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:36,217 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:36,217 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:36,218 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:36,218 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:36,219 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:36,219 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:36,219 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:36,220 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:36,220 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:36,220 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:36,221 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:36,221 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:36,221 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:36,222 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:36,222 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:36,222 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:36,223 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:36,223 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:36,224 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:36,224 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:36,224 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:36,224 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:36,225 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:36,225 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:36,226 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:36,226 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:36,226 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:36,227 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:36,232 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:36,232 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:36,233 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:36,233 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:36,233 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:36,235 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:36,235 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:36,236 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:36,236 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:36,236 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:36,257 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:36,258 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:36,258 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:36,259 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:36,259 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:36,259 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:36,295 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-09-15 13:18:36,330 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-15 13:18:36,330 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-15 13:18:36,330 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-15 13:18:36,330 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-15 13:18:36,331 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-15 13:18:36,331 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-15 13:18:36,331 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-15 13:18:36,331 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-15 13:18:36,357 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 76 transitions, 162 flow [2020-09-15 13:18:36,360 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 77 places, 76 transitions, 162 flow [2020-09-15 13:18:36,427 INFO L129 PetriNetUnfolder]: 6/86 cut-off events. [2020-09-15 13:18:36,428 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-09-15 13:18:36,436 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 13:18:36,440 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 77 places, 76 transitions, 162 flow [2020-09-15 13:18:36,474 INFO L129 PetriNetUnfolder]: 6/86 cut-off events. [2020-09-15 13:18:36,475 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-09-15 13:18:36,476 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 13:18:36,479 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1242 [2020-09-15 13:18:36,481 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-09-15 13:18:38,513 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-09-15 13:18:38,650 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-09-15 13:18:39,175 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 59 [2020-09-15 13:18:39,367 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2020-09-15 13:18:39,964 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 46 [2020-09-15 13:18:40,660 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2020-09-15 13:18:41,010 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-09-15 13:18:41,015 INFO L206 etLargeBlockEncoding]: Checked pairs total: 1089 [2020-09-15 13:18:41,015 INFO L214 etLargeBlockEncoding]: Total number of compositions: 77 [2020-09-15 13:18:41,021 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 18 places, 12 transitions, 34 flow [2020-09-15 13:18:41,039 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 44 states. [2020-09-15 13:18:41,043 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2020-09-15 13:18:41,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-09-15 13:18:41,056 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:18:41,057 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-09-15 13:18:41,058 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-15 13:18:41,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:18:41,067 INFO L82 PathProgramCache]: Analyzing trace with hash 313215, now seen corresponding path program 1 times [2020-09-15 13:18:41,087 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:18:41,088 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787804891] [2020-09-15 13:18:41,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:18:41,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:18:41,432 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 13:18:41,433 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787804891] [2020-09-15 13:18:41,435 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:18:41,436 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-09-15 13:18:41,438 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700704681] [2020-09-15 13:18:41,451 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-15 13:18:41,452 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:18:41,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-15 13:18:41,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-15 13:18:41,480 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 3 states. [2020-09-15 13:18:41,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:18:41,558 INFO L93 Difference]: Finished difference Result 35 states and 59 transitions. [2020-09-15 13:18:41,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-15 13:18:41,562 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-09-15 13:18:41,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:18:41,587 INFO L225 Difference]: With dead ends: 35 [2020-09-15 13:18:41,593 INFO L226 Difference]: Without dead ends: 31 [2020-09-15 13:18:41,597 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 13:18:41,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-09-15 13:18:41,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-09-15 13:18:41,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-09-15 13:18:41,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 51 transitions. [2020-09-15 13:18:41,683 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 51 transitions. Word has length 3 [2020-09-15 13:18:41,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:18:41,683 INFO L479 AbstractCegarLoop]: Abstraction has 31 states and 51 transitions. [2020-09-15 13:18:41,684 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-15 13:18:41,684 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2020-09-15 13:18:41,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-09-15 13:18:41,684 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:18:41,685 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:18:41,685 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-15 13:18:41,685 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-15 13:18:41,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:18:41,686 INFO L82 PathProgramCache]: Analyzing trace with hash 1465583995, now seen corresponding path program 1 times [2020-09-15 13:18:41,686 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:18:41,686 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52962214] [2020-09-15 13:18:41,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:18:41,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:18:41,948 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 13:18:41,948 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52962214] [2020-09-15 13:18:41,949 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:18:41,949 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-15 13:18:41,949 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764943685] [2020-09-15 13:18:41,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-15 13:18:41,953 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:18:41,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-15 13:18:41,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-15 13:18:41,954 INFO L87 Difference]: Start difference. First operand 31 states and 51 transitions. Second operand 4 states. [2020-09-15 13:18:41,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:18:41,998 INFO L93 Difference]: Finished difference Result 26 states and 42 transitions. [2020-09-15 13:18:41,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-15 13:18:41,999 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-09-15 13:18:41,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:18:42,000 INFO L225 Difference]: With dead ends: 26 [2020-09-15 13:18:42,000 INFO L226 Difference]: Without dead ends: 24 [2020-09-15 13:18:42,002 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 13:18:42,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-09-15 13:18:42,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-09-15 13:18:42,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-09-15 13:18:42,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 39 transitions. [2020-09-15 13:18:42,009 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 39 transitions. Word has length 7 [2020-09-15 13:18:42,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:18:42,010 INFO L479 AbstractCegarLoop]: Abstraction has 24 states and 39 transitions. [2020-09-15 13:18:42,010 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-15 13:18:42,010 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 39 transitions. [2020-09-15 13:18:42,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-09-15 13:18:42,011 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:18:42,011 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2020-09-15 13:18:42,011 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-15 13:18:42,012 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-15 13:18:42,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:18:42,012 INFO L82 PathProgramCache]: Analyzing trace with hash -1811562961, now seen corresponding path program 1 times [2020-09-15 13:18:42,012 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:18:42,013 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642443881] [2020-09-15 13:18:42,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:18:42,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-15 13:18:42,066 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-15 13:18:42,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-15 13:18:42,116 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-15 13:18:42,162 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-09-15 13:18:42,162 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-15 13:18:42,163 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-15 13:18:42,164 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-09-15 13:18:42,165 WARN L363 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-09-15 13:18:42,166 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-09-15 13:18:42,177 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,178 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,178 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,178 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,178 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,179 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,179 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,179 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,179 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,179 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,179 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,180 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,180 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,180 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,180 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,181 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,181 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,181 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,181 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,182 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,182 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,182 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,183 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,183 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,183 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,183 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,184 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,184 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,184 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,184 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,184 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,185 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,185 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,185 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,185 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,185 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,186 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,186 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,186 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,186 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,187 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,187 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,188 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,188 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,188 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,188 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,189 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,189 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,189 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,189 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,189 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,190 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,190 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,190 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,191 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,191 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,191 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,191 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,192 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,192 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,192 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,192 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,193 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,194 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,194 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,194 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,195 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,195 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,195 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,195 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,195 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,196 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,204 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,205 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,205 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,206 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,206 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,206 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,206 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,206 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,207 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,207 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,212 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,214 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,214 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,214 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,214 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,215 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,217 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,217 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,218 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,218 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,218 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,218 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:42,220 INFO L251 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-09-15 13:18:42,221 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-15 13:18:42,221 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-15 13:18:42,222 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-15 13:18:42,222 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-15 13:18:42,222 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-15 13:18:42,222 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-15 13:18:42,222 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-15 13:18:42,222 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-15 13:18:42,228 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 107 places, 105 transitions, 234 flow [2020-09-15 13:18:42,229 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 107 places, 105 transitions, 234 flow [2020-09-15 13:18:42,311 INFO L129 PetriNetUnfolder]: 9/120 cut-off events. [2020-09-15 13:18:42,312 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-09-15 13:18:42,314 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 13:18:42,324 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 107 places, 105 transitions, 234 flow [2020-09-15 13:18:42,349 INFO L129 PetriNetUnfolder]: 9/120 cut-off events. [2020-09-15 13:18:42,350 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-09-15 13:18:42,352 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 13:18:42,356 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 2844 [2020-09-15 13:18:42,357 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-09-15 13:18:44,989 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 61 [2020-09-15 13:18:45,157 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 57 [2020-09-15 13:18:45,948 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2020-09-15 13:18:46,108 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-09-15 13:18:46,116 INFO L206 etLargeBlockEncoding]: Checked pairs total: 3611 [2020-09-15 13:18:46,116 INFO L214 etLargeBlockEncoding]: Total number of compositions: 94 [2020-09-15 13:18:46,117 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 36 places, 28 transitions, 80 flow [2020-09-15 13:18:46,157 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 632 states. [2020-09-15 13:18:46,158 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states. [2020-09-15 13:18:46,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-09-15 13:18:46,159 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:18:46,159 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-09-15 13:18:46,159 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:18:46,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:18:46,160 INFO L82 PathProgramCache]: Analyzing trace with hash 544994, now seen corresponding path program 1 times [2020-09-15 13:18:46,160 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:18:46,161 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16022825] [2020-09-15 13:18:46,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:18:46,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:18:46,223 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 13:18:46,224 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16022825] [2020-09-15 13:18:46,224 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:18:46,224 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-09-15 13:18:46,225 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276174764] [2020-09-15 13:18:46,225 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-15 13:18:46,225 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:18:46,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-15 13:18:46,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-15 13:18:46,226 INFO L87 Difference]: Start difference. First operand 632 states. Second operand 3 states. [2020-09-15 13:18:46,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:18:46,314 INFO L93 Difference]: Finished difference Result 748 states and 2357 transitions. [2020-09-15 13:18:46,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-15 13:18:46,321 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-09-15 13:18:46,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:18:46,338 INFO L225 Difference]: With dead ends: 748 [2020-09-15 13:18:46,338 INFO L226 Difference]: Without dead ends: 691 [2020-09-15 13:18:46,339 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 13:18:46,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2020-09-15 13:18:46,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 612. [2020-09-15 13:18:46,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 612 states. [2020-09-15 13:18:46,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 1968 transitions. [2020-09-15 13:18:46,470 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 1968 transitions. Word has length 3 [2020-09-15 13:18:46,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:18:46,470 INFO L479 AbstractCegarLoop]: Abstraction has 612 states and 1968 transitions. [2020-09-15 13:18:46,470 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-15 13:18:46,470 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 1968 transitions. [2020-09-15 13:18:46,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-09-15 13:18:46,472 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:18:46,472 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:18:46,472 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-15 13:18:46,472 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:18:46,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:18:46,473 INFO L82 PathProgramCache]: Analyzing trace with hash 625478199, now seen corresponding path program 1 times [2020-09-15 13:18:46,474 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:18:46,474 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075524280] [2020-09-15 13:18:46,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:18:46,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:18:46,585 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 13:18:46,586 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075524280] [2020-09-15 13:18:46,587 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:18:46,587 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-15 13:18:46,587 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293306947] [2020-09-15 13:18:46,588 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-15 13:18:46,588 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:18:46,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-15 13:18:46,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-15 13:18:46,590 INFO L87 Difference]: Start difference. First operand 612 states and 1968 transitions. Second operand 5 states. [2020-09-15 13:18:46,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:18:46,776 INFO L93 Difference]: Finished difference Result 900 states and 2708 transitions. [2020-09-15 13:18:46,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-15 13:18:46,778 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-09-15 13:18:46,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:18:46,789 INFO L225 Difference]: With dead ends: 900 [2020-09-15 13:18:46,789 INFO L226 Difference]: Without dead ends: 880 [2020-09-15 13:18:46,790 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 13:18:46,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2020-09-15 13:18:46,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 563. [2020-09-15 13:18:46,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 563 states. [2020-09-15 13:18:46,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 1857 transitions. [2020-09-15 13:18:46,828 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 1857 transitions. Word has length 10 [2020-09-15 13:18:46,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:18:46,831 INFO L479 AbstractCegarLoop]: Abstraction has 563 states and 1857 transitions. [2020-09-15 13:18:46,831 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-15 13:18:46,831 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 1857 transitions. [2020-09-15 13:18:46,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-15 13:18:46,834 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:18:46,834 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:18:46,834 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-15 13:18:46,835 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-15 13:18:46,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:18:46,835 INFO L82 PathProgramCache]: Analyzing trace with hash -696224660, now seen corresponding path program 1 times [2020-09-15 13:18:46,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:18:46,836 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296537632] [2020-09-15 13:18:46,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:18:46,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-15 13:18:46,866 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-15 13:18:46,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-15 13:18:46,889 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-15 13:18:46,900 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-09-15 13:18:46,900 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-15 13:18:46,901 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-15 13:18:46,901 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-09-15 13:18:46,902 WARN L363 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-09-15 13:18:46,905 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-09-15 13:18:46,933 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,934 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,934 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,934 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,935 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,935 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,935 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,935 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,935 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,936 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,936 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,936 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,936 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,936 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,940 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,941 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,941 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,941 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,941 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,941 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,942 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,942 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,942 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,942 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,942 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,942 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,943 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,943 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,943 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,943 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,943 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,943 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,944 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,944 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,944 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,944 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,944 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,944 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,944 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,945 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,945 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,945 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,945 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,946 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,946 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,946 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,946 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,946 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,946 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,947 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,947 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,947 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,947 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,947 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,947 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,947 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,948 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,948 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,948 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,948 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,948 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,948 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,948 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,949 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,949 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,949 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,949 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,949 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,950 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,950 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,950 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,950 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,950 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,950 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,950 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,951 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,951 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,951 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,951 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,951 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,951 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,952 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,952 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,952 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,952 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,953 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,953 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,953 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,953 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,953 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,954 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,954 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,954 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,955 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,955 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,955 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,956 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,956 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,956 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,956 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,956 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,957 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,957 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,959 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,960 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,960 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,960 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,961 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,961 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,961 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,961 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,962 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,962 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,964 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,965 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,965 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,965 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,965 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,966 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,966 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,966 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,966 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,967 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,969 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,969 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,970 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,970 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,970 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,970 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,974 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,974 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,974 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,975 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,975 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,975 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,979 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,979 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,979 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,979 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,980 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,980 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:46,982 INFO L251 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-09-15 13:18:46,983 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-15 13:18:46,983 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-15 13:18:46,983 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-15 13:18:46,983 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-15 13:18:46,983 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-15 13:18:46,984 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-15 13:18:46,984 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-15 13:18:46,984 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-15 13:18:46,987 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 137 places, 134 transitions, 310 flow [2020-09-15 13:18:46,987 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 137 places, 134 transitions, 310 flow [2020-09-15 13:18:47,037 INFO L129 PetriNetUnfolder]: 12/154 cut-off events. [2020-09-15 13:18:47,037 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-09-15 13:18:47,039 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 13:18:47,045 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 137 places, 134 transitions, 310 flow [2020-09-15 13:18:47,075 INFO L129 PetriNetUnfolder]: 12/154 cut-off events. [2020-09-15 13:18:47,075 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-09-15 13:18:47,078 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 13:18:47,086 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 5130 [2020-09-15 13:18:47,086 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-09-15 13:18:49,139 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 29 [2020-09-15 13:18:50,520 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 52 [2020-09-15 13:18:50,724 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 35 [2020-09-15 13:18:51,044 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-09-15 13:18:51,243 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2020-09-15 13:18:51,718 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2020-09-15 13:18:51,890 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-09-15 13:18:51,902 INFO L206 etLargeBlockEncoding]: Checked pairs total: 7576 [2020-09-15 13:18:51,902 INFO L214 etLargeBlockEncoding]: Total number of compositions: 120 [2020-09-15 13:18:51,903 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 49 places, 38 transitions, 118 flow [2020-09-15 13:18:52,255 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 3782 states. [2020-09-15 13:18:52,256 INFO L276 IsEmpty]: Start isEmpty. Operand 3782 states. [2020-09-15 13:18:52,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-09-15 13:18:52,256 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:18:52,257 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-09-15 13:18:52,257 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 13:18:52,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:18:52,258 INFO L82 PathProgramCache]: Analyzing trace with hash 833041, now seen corresponding path program 1 times [2020-09-15 13:18:52,259 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:18:52,259 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666632276] [2020-09-15 13:18:52,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:18:52,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:18:52,299 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 13:18:52,300 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666632276] [2020-09-15 13:18:52,301 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:18:52,301 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-09-15 13:18:52,302 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086605709] [2020-09-15 13:18:52,302 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-15 13:18:52,303 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:18:52,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-15 13:18:52,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-15 13:18:52,304 INFO L87 Difference]: Start difference. First operand 3782 states. Second operand 3 states. [2020-09-15 13:18:52,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:18:52,459 INFO L93 Difference]: Finished difference Result 4669 states and 19397 transitions. [2020-09-15 13:18:52,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-15 13:18:52,461 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-09-15 13:18:52,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:18:52,524 INFO L225 Difference]: With dead ends: 4669 [2020-09-15 13:18:52,524 INFO L226 Difference]: Without dead ends: 4342 [2020-09-15 13:18:52,525 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 13:18:52,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4342 states. [2020-09-15 13:18:52,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4342 to 3858. [2020-09-15 13:18:52,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3858 states. [2020-09-15 13:18:52,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3858 states to 3858 states and 16290 transitions. [2020-09-15 13:18:52,937 INFO L78 Accepts]: Start accepts. Automaton has 3858 states and 16290 transitions. Word has length 3 [2020-09-15 13:18:52,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:18:52,938 INFO L479 AbstractCegarLoop]: Abstraction has 3858 states and 16290 transitions. [2020-09-15 13:18:52,938 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-15 13:18:52,938 INFO L276 IsEmpty]: Start isEmpty. Operand 3858 states and 16290 transitions. [2020-09-15 13:18:52,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-09-15 13:18:52,939 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:18:52,939 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:18:52,939 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-15 13:18:52,940 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 13:18:52,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:18:52,940 INFO L82 PathProgramCache]: Analyzing trace with hash -642397451, now seen corresponding path program 1 times [2020-09-15 13:18:52,941 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:18:52,941 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097941445] [2020-09-15 13:18:52,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:18:52,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:18:53,099 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 13:18:53,100 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097941445] [2020-09-15 13:18:53,100 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:18:53,100 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-15 13:18:53,102 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376094986] [2020-09-15 13:18:53,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-15 13:18:53,103 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:18:53,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-15 13:18:53,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-15 13:18:53,104 INFO L87 Difference]: Start difference. First operand 3858 states and 16290 transitions. Second operand 5 states. [2020-09-15 13:18:53,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:18:53,397 INFO L93 Difference]: Finished difference Result 6408 states and 25485 transitions. [2020-09-15 13:18:53,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-15 13:18:53,398 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-09-15 13:18:53,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:18:53,498 INFO L225 Difference]: With dead ends: 6408 [2020-09-15 13:18:53,498 INFO L226 Difference]: Without dead ends: 6352 [2020-09-15 13:18:53,499 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 13:18:53,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6352 states. [2020-09-15 13:18:53,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6352 to 3890. [2020-09-15 13:18:53,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3890 states. [2020-09-15 13:18:53,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3890 states to 3890 states and 16721 transitions. [2020-09-15 13:18:53,791 INFO L78 Accepts]: Start accepts. Automaton has 3890 states and 16721 transitions. Word has length 10 [2020-09-15 13:18:53,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:18:53,792 INFO L479 AbstractCegarLoop]: Abstraction has 3890 states and 16721 transitions. [2020-09-15 13:18:53,792 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-15 13:18:53,792 INFO L276 IsEmpty]: Start isEmpty. Operand 3890 states and 16721 transitions. [2020-09-15 13:18:53,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-15 13:18:53,802 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:18:53,802 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:18:53,802 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-15 13:18:53,802 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 13:18:53,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:18:53,803 INFO L82 PathProgramCache]: Analyzing trace with hash -834312959, now seen corresponding path program 1 times [2020-09-15 13:18:53,803 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:18:53,804 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897040021] [2020-09-15 13:18:53,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:18:53,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:18:53,932 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 13:18:53,932 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897040021] [2020-09-15 13:18:53,933 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:18:53,933 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-15 13:18:53,933 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625185009] [2020-09-15 13:18:53,934 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-15 13:18:53,935 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:18:53,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-15 13:18:53,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-15 13:18:53,935 INFO L87 Difference]: Start difference. First operand 3890 states and 16721 transitions. Second operand 5 states. [2020-09-15 13:18:54,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:18:54,187 INFO L93 Difference]: Finished difference Result 6754 states and 26605 transitions. [2020-09-15 13:18:54,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-15 13:18:54,188 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-09-15 13:18:54,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:18:54,234 INFO L225 Difference]: With dead ends: 6754 [2020-09-15 13:18:54,235 INFO L226 Difference]: Without dead ends: 6698 [2020-09-15 13:18:54,236 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 13:18:54,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6698 states. [2020-09-15 13:18:54,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6698 to 3876. [2020-09-15 13:18:54,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3876 states. [2020-09-15 13:18:54,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3876 states to 3876 states and 16342 transitions. [2020-09-15 13:18:54,609 INFO L78 Accepts]: Start accepts. Automaton has 3876 states and 16342 transitions. Word has length 14 [2020-09-15 13:18:54,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:18:54,610 INFO L479 AbstractCegarLoop]: Abstraction has 3876 states and 16342 transitions. [2020-09-15 13:18:54,610 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-15 13:18:54,611 INFO L276 IsEmpty]: Start isEmpty. Operand 3876 states and 16342 transitions. [2020-09-15 13:18:54,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-15 13:18:54,614 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:18:54,614 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:18:54,614 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-15 13:18:54,615 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 13:18:54,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:18:54,615 INFO L82 PathProgramCache]: Analyzing trace with hash -1249108271, now seen corresponding path program 1 times [2020-09-15 13:18:54,616 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:18:54,619 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904402908] [2020-09-15 13:18:54,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:18:54,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:18:54,702 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 13:18:54,703 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904402908] [2020-09-15 13:18:54,703 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:18:54,703 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-15 13:18:54,704 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823780061] [2020-09-15 13:18:54,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-15 13:18:54,704 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:18:54,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-15 13:18:54,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-15 13:18:54,705 INFO L87 Difference]: Start difference. First operand 3876 states and 16342 transitions. Second operand 3 states. [2020-09-15 13:18:54,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:18:54,746 INFO L93 Difference]: Finished difference Result 1628 states and 4901 transitions. [2020-09-15 13:18:54,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-15 13:18:54,747 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-09-15 13:18:54,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:18:54,757 INFO L225 Difference]: With dead ends: 1628 [2020-09-15 13:18:54,757 INFO L226 Difference]: Without dead ends: 1628 [2020-09-15 13:18:54,758 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 13:18:54,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1628 states. [2020-09-15 13:18:54,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1628 to 1610. [2020-09-15 13:18:54,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1610 states. [2020-09-15 13:18:54,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1610 states to 1610 states and 4847 transitions. [2020-09-15 13:18:54,828 INFO L78 Accepts]: Start accepts. Automaton has 1610 states and 4847 transitions. Word has length 17 [2020-09-15 13:18:54,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:18:54,829 INFO L479 AbstractCegarLoop]: Abstraction has 1610 states and 4847 transitions. [2020-09-15 13:18:54,829 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-15 13:18:54,830 INFO L276 IsEmpty]: Start isEmpty. Operand 1610 states and 4847 transitions. [2020-09-15 13:18:54,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-15 13:18:54,831 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:18:54,831 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 13:18:54,832 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-15 13:18:54,832 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 13:18:54,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:18:54,832 INFO L82 PathProgramCache]: Analyzing trace with hash 229330979, now seen corresponding path program 1 times [2020-09-15 13:18:54,833 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:18:54,833 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383981319] [2020-09-15 13:18:54,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:18:54,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:18:54,948 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 13:18:54,949 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383981319] [2020-09-15 13:18:54,949 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1750862897] [2020-09-15 13:18:54,950 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 13:18:55,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:18:55,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 7 conjunts are in the unsatisfiable core [2020-09-15 13:18:55,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-15 13:18:55,162 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 13:18:55,162 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-15 13:18:55,163 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-09-15 13:18:55,163 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42327654] [2020-09-15 13:18:55,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-15 13:18:55,164 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:18:55,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-15 13:18:55,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-09-15 13:18:55,165 INFO L87 Difference]: Start difference. First operand 1610 states and 4847 transitions. Second operand 12 states. [2020-09-15 13:18:55,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:18:55,791 INFO L93 Difference]: Finished difference Result 2817 states and 8005 transitions. [2020-09-15 13:18:55,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-15 13:18:55,792 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 18 [2020-09-15 13:18:55,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:18:55,802 INFO L225 Difference]: With dead ends: 2817 [2020-09-15 13:18:55,803 INFO L226 Difference]: Without dead ends: 2796 [2020-09-15 13:18:55,804 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=120, Invalid=260, Unknown=0, NotChecked=0, Total=380 [2020-09-15 13:18:55,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2796 states. [2020-09-15 13:18:55,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2796 to 1515. [2020-09-15 13:18:55,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1515 states. [2020-09-15 13:18:55,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 4566 transitions. [2020-09-15 13:18:55,881 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 4566 transitions. Word has length 18 [2020-09-15 13:18:55,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:18:55,882 INFO L479 AbstractCegarLoop]: Abstraction has 1515 states and 4566 transitions. [2020-09-15 13:18:55,882 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-15 13:18:55,882 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 4566 transitions. [2020-09-15 13:18:55,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-15 13:18:55,884 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:18:55,884 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 13:18:56,098 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-09-15 13:18:56,099 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 13:18:56,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:18:56,101 INFO L82 PathProgramCache]: Analyzing trace with hash -1406801102, now seen corresponding path program 1 times [2020-09-15 13:18:56,102 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:18:56,102 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007656436] [2020-09-15 13:18:56,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:18:56,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:18:56,284 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 13:18:56,285 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007656436] [2020-09-15 13:18:56,285 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:18:56,285 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-15 13:18:56,286 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493650071] [2020-09-15 13:18:56,286 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-15 13:18:56,286 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:18:56,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-15 13:18:56,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-15 13:18:56,287 INFO L87 Difference]: Start difference. First operand 1515 states and 4566 transitions. Second operand 7 states. [2020-09-15 13:18:57,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:18:57,003 INFO L93 Difference]: Finished difference Result 2731 states and 7725 transitions. [2020-09-15 13:18:57,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-15 13:18:57,004 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-09-15 13:18:57,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:18:57,018 INFO L225 Difference]: With dead ends: 2731 [2020-09-15 13:18:57,019 INFO L226 Difference]: Without dead ends: 2698 [2020-09-15 13:18:57,020 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 13:18:57,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2698 states. [2020-09-15 13:18:57,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2698 to 1205. [2020-09-15 13:18:57,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1205 states. [2020-09-15 13:18:57,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 1205 states and 3518 transitions. [2020-09-15 13:18:57,084 INFO L78 Accepts]: Start accepts. Automaton has 1205 states and 3518 transitions. Word has length 18 [2020-09-15 13:18:57,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:18:57,085 INFO L479 AbstractCegarLoop]: Abstraction has 1205 states and 3518 transitions. [2020-09-15 13:18:57,085 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-15 13:18:57,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 3518 transitions. [2020-09-15 13:18:57,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-15 13:18:57,087 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:18:57,087 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:18:57,087 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-15 13:18:57,088 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 13:18:57,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:18:57,088 INFO L82 PathProgramCache]: Analyzing trace with hash 1086137922, now seen corresponding path program 1 times [2020-09-15 13:18:57,088 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:18:57,089 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847669797] [2020-09-15 13:18:57,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:18:57,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:18:57,250 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 13:18:57,250 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847669797] [2020-09-15 13:18:57,251 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:18:57,251 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-15 13:18:57,251 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000683229] [2020-09-15 13:18:57,252 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-15 13:18:57,252 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:18:57,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-15 13:18:57,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-15 13:18:57,255 INFO L87 Difference]: Start difference. First operand 1205 states and 3518 transitions. Second operand 5 states. [2020-09-15 13:18:57,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:18:57,429 INFO L93 Difference]: Finished difference Result 2245 states and 6476 transitions. [2020-09-15 13:18:57,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-15 13:18:57,430 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-09-15 13:18:57,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:18:57,443 INFO L225 Difference]: With dead ends: 2245 [2020-09-15 13:18:57,443 INFO L226 Difference]: Without dead ends: 2233 [2020-09-15 13:18:57,444 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 13:18:57,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2233 states. [2020-09-15 13:18:57,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2233 to 1434. [2020-09-15 13:18:57,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1434 states. [2020-09-15 13:18:57,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1434 states to 1434 states and 4291 transitions. [2020-09-15 13:18:57,515 INFO L78 Accepts]: Start accepts. Automaton has 1434 states and 4291 transitions. Word has length 18 [2020-09-15 13:18:57,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:18:57,516 INFO L479 AbstractCegarLoop]: Abstraction has 1434 states and 4291 transitions. [2020-09-15 13:18:57,516 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-15 13:18:57,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1434 states and 4291 transitions. [2020-09-15 13:18:57,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-15 13:18:57,518 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:18:57,519 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:18:57,519 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-15 13:18:57,519 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 13:18:57,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:18:57,519 INFO L82 PathProgramCache]: Analyzing trace with hash 1078743820, now seen corresponding path program 1 times [2020-09-15 13:18:57,520 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:18:57,520 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747204797] [2020-09-15 13:18:57,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:18:57,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-15 13:18:57,564 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-15 13:18:57,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-15 13:18:57,593 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-15 13:18:57,626 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-09-15 13:18:57,627 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-15 13:18:57,627 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-15 13:18:57,628 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-09-15 13:18:57,629 WARN L363 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-09-15 13:18:57,629 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-09-15 13:18:57,663 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,663 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,664 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,664 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,664 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,664 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,665 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,665 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,665 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,665 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,665 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,665 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,666 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,666 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,666 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,666 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,666 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,666 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,666 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,667 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,667 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,667 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,668 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,668 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,668 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,668 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,668 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,669 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,669 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,669 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,669 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,670 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,670 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,670 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,670 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,670 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,671 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,671 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,671 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,671 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,672 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,672 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,672 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,672 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,673 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,673 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,673 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,673 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,674 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,674 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,674 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,674 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,675 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,675 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,675 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,675 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,676 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,676 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,676 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,677 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,677 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,677 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,677 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,679 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,679 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,679 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,679 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,680 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,680 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,680 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,681 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,681 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,681 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,681 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,681 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,682 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,682 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,682 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,682 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,683 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,683 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,683 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,684 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,684 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,684 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,684 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,685 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,685 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,685 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,685 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,686 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,686 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,686 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,686 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,688 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,688 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,688 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,689 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,689 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,689 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,689 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,690 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,690 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,690 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,693 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,694 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,694 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,694 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,695 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,695 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,703 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,704 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,704 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,705 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,707 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,708 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,708 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,708 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,709 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,709 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,709 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,709 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,710 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,710 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,711 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,711 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,711 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,711 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,711 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,711 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,712 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,712 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,712 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,712 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,715 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,715 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,716 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,716 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,716 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,716 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,716 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,716 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,717 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,718 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,721 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,721 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,722 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,722 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,722 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,722 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,722 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,723 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,723 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,723 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,726 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,727 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,727 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,727 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,728 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,728 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,728 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,728 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,728 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,729 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,731 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,732 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,732 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,732 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,733 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,733 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,736 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,736 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,736 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,736 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,737 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,737 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,740 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,741 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,741 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,741 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,742 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,742 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,744 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,745 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,745 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,745 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,745 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,745 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:18:57,747 INFO L251 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-09-15 13:18:57,748 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-15 13:18:57,748 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-15 13:18:57,748 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-15 13:18:57,748 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-15 13:18:57,748 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-15 13:18:57,748 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-15 13:18:57,748 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-15 13:18:57,748 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-15 13:18:57,754 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 167 places, 163 transitions, 390 flow [2020-09-15 13:18:57,754 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 167 places, 163 transitions, 390 flow [2020-09-15 13:18:57,799 INFO L129 PetriNetUnfolder]: 15/188 cut-off events. [2020-09-15 13:18:57,799 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-09-15 13:18:57,808 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 13:18:57,821 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 167 places, 163 transitions, 390 flow [2020-09-15 13:18:57,863 INFO L129 PetriNetUnfolder]: 15/188 cut-off events. [2020-09-15 13:18:57,864 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-09-15 13:18:57,867 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 13:18:57,881 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 8100 [2020-09-15 13:18:57,882 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-09-15 13:18:59,660 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-09-15 13:19:01,895 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 35 [2020-09-15 13:19:02,069 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-09-15 13:19:02,459 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2020-09-15 13:19:02,651 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2020-09-15 13:19:02,940 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 35 [2020-09-15 13:19:03,748 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 123 [2020-09-15 13:19:04,061 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-09-15 13:19:04,598 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 93 [2020-09-15 13:19:04,770 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-09-15 13:19:04,778 INFO L206 etLargeBlockEncoding]: Checked pairs total: 11405 [2020-09-15 13:19:04,779 INFO L214 etLargeBlockEncoding]: Total number of compositions: 148 [2020-09-15 13:19:04,780 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 59 places, 45 transitions, 154 flow [2020-09-15 13:19:06,323 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 13592 states. [2020-09-15 13:19:06,323 INFO L276 IsEmpty]: Start isEmpty. Operand 13592 states. [2020-09-15 13:19:06,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-09-15 13:19:06,324 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:19:06,324 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-09-15 13:19:06,324 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 13:19:06,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:19:06,324 INFO L82 PathProgramCache]: Analyzing trace with hash 1179639, now seen corresponding path program 1 times [2020-09-15 13:19:06,325 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:19:06,325 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659918650] [2020-09-15 13:19:06,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:19:06,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:19:06,371 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 13:19:06,372 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659918650] [2020-09-15 13:19:06,372 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:19:06,372 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-09-15 13:19:06,373 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151542328] [2020-09-15 13:19:06,373 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-15 13:19:06,373 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:19:06,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-15 13:19:06,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-15 13:19:06,374 INFO L87 Difference]: Start difference. First operand 13592 states. Second operand 3 states. [2020-09-15 13:19:06,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:19:06,645 INFO L93 Difference]: Finished difference Result 15456 states and 79163 transitions. [2020-09-15 13:19:06,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-15 13:19:06,646 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-09-15 13:19:06,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:19:06,792 INFO L225 Difference]: With dead ends: 15456 [2020-09-15 13:19:06,793 INFO L226 Difference]: Without dead ends: 14450 [2020-09-15 13:19:06,794 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 13:19:07,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14450 states. [2020-09-15 13:19:08,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14450 to 13395. [2020-09-15 13:19:08,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13395 states. [2020-09-15 13:19:08,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13395 states to 13395 states and 69324 transitions. [2020-09-15 13:19:08,721 INFO L78 Accepts]: Start accepts. Automaton has 13395 states and 69324 transitions. Word has length 3 [2020-09-15 13:19:08,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:19:08,721 INFO L479 AbstractCegarLoop]: Abstraction has 13395 states and 69324 transitions. [2020-09-15 13:19:08,721 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-15 13:19:08,722 INFO L276 IsEmpty]: Start isEmpty. Operand 13395 states and 69324 transitions. [2020-09-15 13:19:08,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-09-15 13:19:08,723 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:19:08,723 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:19:08,723 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-15 13:19:08,724 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 13:19:08,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:19:08,726 INFO L82 PathProgramCache]: Analyzing trace with hash -1279109383, now seen corresponding path program 1 times [2020-09-15 13:19:08,726 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:19:08,727 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201067886] [2020-09-15 13:19:08,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:19:08,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:19:08,805 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 13:19:08,806 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201067886] [2020-09-15 13:19:08,806 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:19:08,807 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-15 13:19:08,807 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852508842] [2020-09-15 13:19:08,808 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-15 13:19:08,808 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:19:08,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-15 13:19:08,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-15 13:19:08,809 INFO L87 Difference]: Start difference. First operand 13395 states and 69324 transitions. Second operand 5 states. [2020-09-15 13:19:09,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:19:09,213 INFO L93 Difference]: Finished difference Result 23586 states and 116096 transitions. [2020-09-15 13:19:09,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-15 13:19:09,214 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-09-15 13:19:09,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:19:09,397 INFO L225 Difference]: With dead ends: 23586 [2020-09-15 13:19:09,398 INFO L226 Difference]: Without dead ends: 23544 [2020-09-15 13:19:09,398 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 13:19:09,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23544 states. [2020-09-15 13:19:10,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23544 to 14448. [2020-09-15 13:19:10,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14448 states. [2020-09-15 13:19:10,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14448 states to 14448 states and 75696 transitions. [2020-09-15 13:19:10,898 INFO L78 Accepts]: Start accepts. Automaton has 14448 states and 75696 transitions. Word has length 10 [2020-09-15 13:19:10,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:19:10,908 INFO L479 AbstractCegarLoop]: Abstraction has 14448 states and 75696 transitions. [2020-09-15 13:19:10,909 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-15 13:19:10,909 INFO L276 IsEmpty]: Start isEmpty. Operand 14448 states and 75696 transitions. [2020-09-15 13:19:10,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-15 13:19:10,910 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:19:10,910 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:19:10,910 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-15 13:19:10,910 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 13:19:10,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:19:10,911 INFO L82 PathProgramCache]: Analyzing trace with hash -284604684, now seen corresponding path program 1 times [2020-09-15 13:19:10,911 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:19:10,912 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559424168] [2020-09-15 13:19:10,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:19:10,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:19:11,020 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 13:19:11,021 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559424168] [2020-09-15 13:19:11,022 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:19:11,022 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-15 13:19:11,022 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342707737] [2020-09-15 13:19:11,022 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-15 13:19:11,023 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:19:11,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-15 13:19:11,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-15 13:19:11,023 INFO L87 Difference]: Start difference. First operand 14448 states and 75696 transitions. Second operand 5 states. [2020-09-15 13:19:11,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:19:11,454 INFO L93 Difference]: Finished difference Result 25978 states and 129320 transitions. [2020-09-15 13:19:11,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-15 13:19:11,454 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-09-15 13:19:11,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:19:11,602 INFO L225 Difference]: With dead ends: 25978 [2020-09-15 13:19:11,603 INFO L226 Difference]: Without dead ends: 25910 [2020-09-15 13:19:11,603 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 13:19:13,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25910 states. [2020-09-15 13:19:14,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25910 to 15939. [2020-09-15 13:19:14,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15939 states. [2020-09-15 13:19:14,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15939 states to 15939 states and 84384 transitions. [2020-09-15 13:19:14,186 INFO L78 Accepts]: Start accepts. Automaton has 15939 states and 84384 transitions. Word has length 14 [2020-09-15 13:19:14,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:19:14,186 INFO L479 AbstractCegarLoop]: Abstraction has 15939 states and 84384 transitions. [2020-09-15 13:19:14,186 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-15 13:19:14,187 INFO L276 IsEmpty]: Start isEmpty. Operand 15939 states and 84384 transitions. [2020-09-15 13:19:14,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-15 13:19:14,189 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:19:14,189 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:19:14,189 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-09-15 13:19:14,190 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 13:19:14,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:19:14,190 INFO L82 PathProgramCache]: Analyzing trace with hash -391482428, now seen corresponding path program 1 times [2020-09-15 13:19:14,190 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:19:14,191 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656800673] [2020-09-15 13:19:14,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:19:14,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:19:14,249 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 13:19:14,250 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656800673] [2020-09-15 13:19:14,250 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:19:14,251 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-15 13:19:14,251 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018604416] [2020-09-15 13:19:14,251 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-15 13:19:14,252 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:19:14,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-15 13:19:14,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-15 13:19:14,252 INFO L87 Difference]: Start difference. First operand 15939 states and 84384 transitions. Second operand 3 states. [2020-09-15 13:19:14,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:19:14,324 INFO L93 Difference]: Finished difference Result 3357 states and 9797 transitions. [2020-09-15 13:19:14,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-15 13:19:14,325 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-09-15 13:19:14,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:19:14,335 INFO L225 Difference]: With dead ends: 3357 [2020-09-15 13:19:14,336 INFO L226 Difference]: Without dead ends: 3357 [2020-09-15 13:19:14,341 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 13:19:14,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3357 states. [2020-09-15 13:19:14,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3357 to 3357. [2020-09-15 13:19:14,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3357 states. [2020-09-15 13:19:14,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3357 states to 3357 states and 9797 transitions. [2020-09-15 13:19:14,476 INFO L78 Accepts]: Start accepts. Automaton has 3357 states and 9797 transitions. Word has length 17 [2020-09-15 13:19:14,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:19:14,477 INFO L479 AbstractCegarLoop]: Abstraction has 3357 states and 9797 transitions. [2020-09-15 13:19:14,477 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-15 13:19:14,477 INFO L276 IsEmpty]: Start isEmpty. Operand 3357 states and 9797 transitions. [2020-09-15 13:19:14,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-15 13:19:14,480 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:19:14,481 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:19:14,482 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-09-15 13:19:14,482 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 13:19:14,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:19:14,482 INFO L82 PathProgramCache]: Analyzing trace with hash 1421383457, now seen corresponding path program 1 times [2020-09-15 13:19:14,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:19:14,495 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042067704] [2020-09-15 13:19:14,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:19:14,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:19:14,635 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 13:19:14,635 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042067704] [2020-09-15 13:19:14,636 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:19:14,636 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-15 13:19:14,636 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776998111] [2020-09-15 13:19:14,636 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-15 13:19:14,637 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:19:14,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-15 13:19:14,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-15 13:19:14,637 INFO L87 Difference]: Start difference. First operand 3357 states and 9797 transitions. Second operand 5 states. [2020-09-15 13:19:14,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:19:14,892 INFO L93 Difference]: Finished difference Result 5159 states and 14529 transitions. [2020-09-15 13:19:14,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-15 13:19:14,893 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-09-15 13:19:14,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:19:14,914 INFO L225 Difference]: With dead ends: 5159 [2020-09-15 13:19:14,914 INFO L226 Difference]: Without dead ends: 5149 [2020-09-15 13:19:14,915 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 13:19:14,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5149 states. [2020-09-15 13:19:15,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5149 to 3425. [2020-09-15 13:19:15,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3425 states. [2020-09-15 13:19:15,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3425 states to 3425 states and 9962 transitions. [2020-09-15 13:19:15,068 INFO L78 Accepts]: Start accepts. Automaton has 3425 states and 9962 transitions. Word has length 18 [2020-09-15 13:19:15,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:19:15,068 INFO L479 AbstractCegarLoop]: Abstraction has 3425 states and 9962 transitions. [2020-09-15 13:19:15,068 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-15 13:19:15,069 INFO L276 IsEmpty]: Start isEmpty. Operand 3425 states and 9962 transitions. [2020-09-15 13:19:15,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-15 13:19:15,070 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:19:15,070 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 13:19:15,071 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-09-15 13:19:15,071 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 13:19:15,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:19:15,071 INFO L82 PathProgramCache]: Analyzing trace with hash 723420348, now seen corresponding path program 1 times [2020-09-15 13:19:15,071 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:19:15,072 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287130590] [2020-09-15 13:19:15,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:19:15,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:19:15,195 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 13:19:15,195 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287130590] [2020-09-15 13:19:15,196 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:19:15,196 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-15 13:19:15,196 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390539684] [2020-09-15 13:19:15,197 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-15 13:19:15,197 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:19:15,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-15 13:19:15,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-15 13:19:15,198 INFO L87 Difference]: Start difference. First operand 3425 states and 9962 transitions. Second operand 7 states. [2020-09-15 13:19:16,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:19:16,061 INFO L93 Difference]: Finished difference Result 6347 states and 17564 transitions. [2020-09-15 13:19:16,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-15 13:19:16,062 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-09-15 13:19:16,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:19:16,076 INFO L225 Difference]: With dead ends: 6347 [2020-09-15 13:19:16,076 INFO L226 Difference]: Without dead ends: 6323 [2020-09-15 13:19:16,076 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 13:19:16,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6323 states. [2020-09-15 13:19:16,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6323 to 3381. [2020-09-15 13:19:16,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3381 states. [2020-09-15 13:19:16,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3381 states to 3381 states and 9842 transitions. [2020-09-15 13:19:16,189 INFO L78 Accepts]: Start accepts. Automaton has 3381 states and 9842 transitions. Word has length 18 [2020-09-15 13:19:16,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:19:16,190 INFO L479 AbstractCegarLoop]: Abstraction has 3381 states and 9842 transitions. [2020-09-15 13:19:16,190 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-15 13:19:16,190 INFO L276 IsEmpty]: Start isEmpty. Operand 3381 states and 9842 transitions. [2020-09-15 13:19:16,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-15 13:19:16,192 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:19:16,192 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 13:19:16,192 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-09-15 13:19:16,193 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 13:19:16,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:19:16,193 INFO L82 PathProgramCache]: Analyzing trace with hash 830017445, now seen corresponding path program 1 times [2020-09-15 13:19:16,194 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:19:16,194 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211202400] [2020-09-15 13:19:16,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:19:16,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:19:16,322 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 13:19:16,323 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211202400] [2020-09-15 13:19:16,323 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:19:16,323 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-15 13:19:16,323 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595566370] [2020-09-15 13:19:16,324 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-15 13:19:16,324 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:19:16,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-15 13:19:16,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-15 13:19:16,325 INFO L87 Difference]: Start difference. First operand 3381 states and 9842 transitions. Second operand 7 states. [2020-09-15 13:19:16,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:19:16,887 INFO L93 Difference]: Finished difference Result 6300 states and 17419 transitions. [2020-09-15 13:19:16,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-15 13:19:16,888 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-09-15 13:19:16,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:19:16,902 INFO L225 Difference]: With dead ends: 6300 [2020-09-15 13:19:16,902 INFO L226 Difference]: Without dead ends: 6273 [2020-09-15 13:19:16,903 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 13:19:16,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6273 states. [2020-09-15 13:19:17,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6273 to 3234. [2020-09-15 13:19:17,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3234 states. [2020-09-15 13:19:17,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3234 states to 3234 states and 9399 transitions. [2020-09-15 13:19:17,012 INFO L78 Accepts]: Start accepts. Automaton has 3234 states and 9399 transitions. Word has length 18 [2020-09-15 13:19:17,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:19:17,013 INFO L479 AbstractCegarLoop]: Abstraction has 3234 states and 9399 transitions. [2020-09-15 13:19:17,013 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-15 13:19:17,013 INFO L276 IsEmpty]: Start isEmpty. Operand 3234 states and 9399 transitions. [2020-09-15 13:19:17,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-15 13:19:17,015 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:19:17,015 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 13:19:17,015 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-09-15 13:19:17,016 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 13:19:17,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:19:17,016 INFO L82 PathProgramCache]: Analyzing trace with hash 533807354, now seen corresponding path program 1 times [2020-09-15 13:19:17,016 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:19:17,017 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7179560] [2020-09-15 13:19:17,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:19:17,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:19:17,140 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 13:19:17,141 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7179560] [2020-09-15 13:19:17,141 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [987038888] [2020-09-15 13:19:17,141 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 13:19:17,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:19:17,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 7 conjunts are in the unsatisfiable core [2020-09-15 13:19:17,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-15 13:19:17,370 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 13:19:17,371 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-15 13:19:17,371 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-09-15 13:19:17,372 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204361341] [2020-09-15 13:19:17,372 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-15 13:19:17,373 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:19:17,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-15 13:19:17,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-09-15 13:19:17,380 INFO L87 Difference]: Start difference. First operand 3234 states and 9399 transitions. Second operand 12 states. [2020-09-15 13:19:18,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:19:18,091 INFO L93 Difference]: Finished difference Result 6095 states and 16808 transitions. [2020-09-15 13:19:18,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-15 13:19:18,097 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 22 [2020-09-15 13:19:18,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:19:18,119 INFO L225 Difference]: With dead ends: 6095 [2020-09-15 13:19:18,119 INFO L226 Difference]: Without dead ends: 6079 [2020-09-15 13:19:18,120 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 13:19:18,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6079 states. [2020-09-15 13:19:18,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6079 to 3118. [2020-09-15 13:19:18,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3118 states. [2020-09-15 13:19:18,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3118 states to 3118 states and 9018 transitions. [2020-09-15 13:19:18,246 INFO L78 Accepts]: Start accepts. Automaton has 3118 states and 9018 transitions. Word has length 22 [2020-09-15 13:19:18,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:19:18,247 INFO L479 AbstractCegarLoop]: Abstraction has 3118 states and 9018 transitions. [2020-09-15 13:19:18,247 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-15 13:19:18,247 INFO L276 IsEmpty]: Start isEmpty. Operand 3118 states and 9018 transitions. [2020-09-15 13:19:18,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-15 13:19:18,251 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:19:18,251 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:19:18,461 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-15 13:19:18,462 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 13:19:18,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:19:18,463 INFO L82 PathProgramCache]: Analyzing trace with hash 152610057, now seen corresponding path program 1 times [2020-09-15 13:19:18,463 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:19:18,464 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172483202] [2020-09-15 13:19:18,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:19:18,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-15 13:19:18,485 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-15 13:19:18,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-15 13:19:18,506 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-15 13:19:18,516 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-09-15 13:19:18,516 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-15 13:19:18,517 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-09-15 13:19:18,517 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-09-15 13:19:18,518 WARN L363 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2020-09-15 13:19:18,518 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2020-09-15 13:19:18,540 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,540 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,540 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,540 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,540 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,541 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,541 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,541 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,541 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,541 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,541 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,542 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,542 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,542 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,542 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,542 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,542 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,542 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,543 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,543 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,543 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,543 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,543 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,544 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,544 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,544 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,544 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,544 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,544 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,545 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,545 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,545 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,545 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,545 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,546 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,546 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,546 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,546 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,546 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,547 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,547 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,547 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,547 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,548 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,548 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,548 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,548 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,548 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,549 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,549 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,549 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,549 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,549 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,549 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,550 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,550 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,550 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,550 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,550 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,551 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,551 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,551 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,551 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,552 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,552 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,552 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,552 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,552 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,552 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,553 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,553 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,553 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,553 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,553 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,554 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,554 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,554 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,554 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,555 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,555 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,555 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,556 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,556 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,556 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,557 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,557 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,557 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,557 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,557 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,558 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,558 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,558 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,558 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,558 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,559 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,559 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,559 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,559 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,559 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,560 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,560 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,560 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,560 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,560 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,561 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,561 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,561 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,561 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,561 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,562 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,562 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,562 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,562 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,562 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,563 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,563 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,563 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,563 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,563 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,564 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,564 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,564 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,564 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,564 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,565 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,565 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,565 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,565 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,565 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,566 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,566 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,566 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,566 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,566 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,567 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,567 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,567 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,567 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,567 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,567 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,568 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,568 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,568 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,568 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,569 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,569 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,569 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,569 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,570 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,570 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,570 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,570 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,571 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,571 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,571 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,572 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,572 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,572 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,573 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,573 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,573 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,573 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,574 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,574 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,574 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,577 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,577 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,577 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,577 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,578 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,578 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,578 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,578 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,578 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,578 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,582 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,582 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,582 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,582 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,582 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,583 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,583 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,583 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,583 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,583 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,585 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,586 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,586 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,586 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,587 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,587 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,587 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,587 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,587 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,587 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,589 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,589 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,590 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,590 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,590 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,590 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,590 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,590 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,591 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,591 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,592 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,592 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,592 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,593 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,593 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,593 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,594 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,595 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,595 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,595 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,595 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,596 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,598 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,598 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,599 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,599 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,599 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,599 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,602 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,602 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,602 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,603 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,603 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,603 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,607 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,607 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,608 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,608 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,608 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,608 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:19:18,611 INFO L251 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-09-15 13:19:18,612 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-15 13:19:18,612 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-15 13:19:18,612 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-15 13:19:18,612 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-15 13:19:18,612 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-15 13:19:18,613 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-15 13:19:18,613 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-15 13:19:18,613 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-15 13:19:18,617 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 197 places, 192 transitions, 474 flow [2020-09-15 13:19:18,617 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 197 places, 192 transitions, 474 flow [2020-09-15 13:19:18,669 INFO L129 PetriNetUnfolder]: 18/222 cut-off events. [2020-09-15 13:19:18,670 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-09-15 13:19:18,675 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 13:19:18,698 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 197 places, 192 transitions, 474 flow [2020-09-15 13:19:18,741 INFO L129 PetriNetUnfolder]: 18/222 cut-off events. [2020-09-15 13:19:18,741 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-09-15 13:19:18,747 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 13:19:18,760 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 11754 [2020-09-15 13:19:18,761 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-09-15 13:19:19,418 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2020-09-15 13:19:22,962 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 35 [2020-09-15 13:19:23,117 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 33 [2020-09-15 13:19:23,275 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 35 [2020-09-15 13:19:23,416 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 35 [2020-09-15 13:19:24,834 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2020-09-15 13:19:25,214 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-09-15 13:19:25,232 INFO L206 etLargeBlockEncoding]: Checked pairs total: 17538 [2020-09-15 13:19:25,233 INFO L214 etLargeBlockEncoding]: Total number of compositions: 176 [2020-09-15 13:19:25,233 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 73 places, 56 transitions, 202 flow [2020-09-15 13:20:07,648 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 97217 states. [2020-09-15 13:20:07,648 INFO L276 IsEmpty]: Start isEmpty. Operand 97217 states. [2020-09-15 13:20:07,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-09-15 13:20:07,649 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:20:07,649 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-09-15 13:20:07,649 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 13:20:07,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:20:07,650 INFO L82 PathProgramCache]: Analyzing trace with hash 1584808, now seen corresponding path program 1 times [2020-09-15 13:20:07,651 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:20:07,651 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373991936] [2020-09-15 13:20:07,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:20:07,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:20:07,698 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 13:20:07,699 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373991936] [2020-09-15 13:20:07,699 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:20:07,699 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-09-15 13:20:07,699 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922272313] [2020-09-15 13:20:07,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-15 13:20:07,700 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:20:07,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-15 13:20:07,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-15 13:20:07,701 INFO L87 Difference]: Start difference. First operand 97217 states. Second operand 3 states. [2020-09-15 13:20:13,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:20:13,566 INFO L93 Difference]: Finished difference Result 118175 states and 731030 transitions. [2020-09-15 13:20:13,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-15 13:20:13,567 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-09-15 13:20:13,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:20:14,487 INFO L225 Difference]: With dead ends: 118175 [2020-09-15 13:20:14,488 INFO L226 Difference]: Without dead ends: 110531 [2020-09-15 13:20:14,488 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 13:20:16,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110531 states. [2020-09-15 13:20:22,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110531 to 100755. [2020-09-15 13:20:22,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100755 states. [2020-09-15 13:20:23,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100755 states to 100755 states and 628402 transitions. [2020-09-15 13:20:23,508 INFO L78 Accepts]: Start accepts. Automaton has 100755 states and 628402 transitions. Word has length 3 [2020-09-15 13:20:23,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:20:23,508 INFO L479 AbstractCegarLoop]: Abstraction has 100755 states and 628402 transitions. [2020-09-15 13:20:23,508 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-15 13:20:23,508 INFO L276 IsEmpty]: Start isEmpty. Operand 100755 states and 628402 transitions. [2020-09-15 13:20:23,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-09-15 13:20:23,509 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:20:23,509 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:20:23,509 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-09-15 13:20:23,509 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 13:20:23,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:20:23,510 INFO L82 PathProgramCache]: Analyzing trace with hash 706336859, now seen corresponding path program 1 times [2020-09-15 13:20:23,510 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:20:23,510 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394657980] [2020-09-15 13:20:23,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:20:23,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:20:23,598 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 13:20:23,599 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394657980] [2020-09-15 13:20:23,599 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:20:23,599 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-15 13:20:23,599 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118583358] [2020-09-15 13:20:23,599 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-15 13:20:23,600 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:20:23,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-15 13:20:23,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-15 13:20:23,601 INFO L87 Difference]: Start difference. First operand 100755 states and 628402 transitions. Second operand 5 states. [2020-09-15 13:20:34,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:20:34,068 INFO L93 Difference]: Finished difference Result 187755 states and 1125902 transitions. [2020-09-15 13:20:34,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-15 13:20:34,070 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-09-15 13:20:34,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:20:35,662 INFO L225 Difference]: With dead ends: 187755 [2020-09-15 13:20:35,663 INFO L226 Difference]: Without dead ends: 187578 [2020-09-15 13:20:35,664 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 13:20:39,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187578 states. [2020-09-15 13:20:51,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187578 to 111945. [2020-09-15 13:20:51,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111945 states. [2020-09-15 13:20:52,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111945 states to 111945 states and 706831 transitions. [2020-09-15 13:20:52,891 INFO L78 Accepts]: Start accepts. Automaton has 111945 states and 706831 transitions. Word has length 10 [2020-09-15 13:20:52,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:20:52,891 INFO L479 AbstractCegarLoop]: Abstraction has 111945 states and 706831 transitions. [2020-09-15 13:20:52,892 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-15 13:20:52,892 INFO L276 IsEmpty]: Start isEmpty. Operand 111945 states and 706831 transitions. [2020-09-15 13:20:52,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-15 13:20:52,892 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:20:52,892 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:20:52,893 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-09-15 13:20:52,893 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 13:20:52,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:20:52,893 INFO L82 PathProgramCache]: Analyzing trace with hash -748578768, now seen corresponding path program 1 times [2020-09-15 13:20:52,893 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:20:52,894 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609877031] [2020-09-15 13:20:52,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:20:52,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:20:52,992 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 13:20:52,993 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609877031] [2020-09-15 13:20:52,993 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:20:52,993 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-15 13:20:52,994 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896417792] [2020-09-15 13:20:52,994 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-15 13:20:52,995 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:20:52,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-15 13:20:52,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-15 13:20:52,995 INFO L87 Difference]: Start difference. First operand 111945 states and 706831 transitions. Second operand 5 states. [2020-09-15 13:21:03,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:21:03,930 INFO L93 Difference]: Finished difference Result 212246 states and 1288288 transitions. [2020-09-15 13:21:03,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-15 13:21:03,931 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-09-15 13:21:03,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:21:06,888 INFO L225 Difference]: With dead ends: 212246 [2020-09-15 13:21:06,888 INFO L226 Difference]: Without dead ends: 211934 [2020-09-15 13:21:06,889 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 13:21:10,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211934 states. [2020-09-15 13:21:22,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211934 to 127498. [2020-09-15 13:21:22,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127498 states. [2020-09-15 13:21:25,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127498 states to 127498 states and 815584 transitions. [2020-09-15 13:21:25,362 INFO L78 Accepts]: Start accepts. Automaton has 127498 states and 815584 transitions. Word has length 14 [2020-09-15 13:21:25,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:21:25,362 INFO L479 AbstractCegarLoop]: Abstraction has 127498 states and 815584 transitions. [2020-09-15 13:21:25,362 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-15 13:21:25,362 INFO L276 IsEmpty]: Start isEmpty. Operand 127498 states and 815584 transitions. [2020-09-15 13:21:25,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-15 13:21:25,364 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:21:25,364 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:21:25,364 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-09-15 13:21:25,365 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 13:21:25,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:21:25,365 INFO L82 PathProgramCache]: Analyzing trace with hash 921085459, now seen corresponding path program 1 times [2020-09-15 13:21:25,366 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:21:25,366 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930437380] [2020-09-15 13:21:25,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:21:25,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:21:25,428 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 13:21:25,431 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930437380] [2020-09-15 13:21:25,432 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:21:25,432 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-15 13:21:25,433 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654412171] [2020-09-15 13:21:25,433 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-15 13:21:25,433 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:21:25,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-15 13:21:25,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-15 13:21:25,437 INFO L87 Difference]: Start difference. First operand 127498 states and 815584 transitions. Second operand 3 states. [2020-09-15 13:21:25,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:21:25,635 INFO L93 Difference]: Finished difference Result 14050 states and 46115 transitions. [2020-09-15 13:21:25,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-15 13:21:25,637 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-09-15 13:21:25,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:21:25,702 INFO L225 Difference]: With dead ends: 14050 [2020-09-15 13:21:25,703 INFO L226 Difference]: Without dead ends: 14050 [2020-09-15 13:21:25,704 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 13:21:25,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14050 states. [2020-09-15 13:21:26,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14050 to 13870. [2020-09-15 13:21:26,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13870 states. [2020-09-15 13:21:26,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13870 states to 13870 states and 45593 transitions. [2020-09-15 13:21:26,174 INFO L78 Accepts]: Start accepts. Automaton has 13870 states and 45593 transitions. Word has length 17 [2020-09-15 13:21:26,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:21:26,174 INFO L479 AbstractCegarLoop]: Abstraction has 13870 states and 45593 transitions. [2020-09-15 13:21:26,174 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-15 13:21:26,174 INFO L276 IsEmpty]: Start isEmpty. Operand 13870 states and 45593 transitions. [2020-09-15 13:21:26,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-15 13:21:26,176 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:21:26,176 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 13:21:26,176 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-09-15 13:21:26,176 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 13:21:26,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:21:26,176 INFO L82 PathProgramCache]: Analyzing trace with hash -1755375156, now seen corresponding path program 1 times [2020-09-15 13:21:26,177 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:21:26,177 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626217607] [2020-09-15 13:21:26,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:21:26,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:21:26,284 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 13:21:26,284 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626217607] [2020-09-15 13:21:26,285 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [934437383] [2020-09-15 13:21:26,285 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 13:21:26,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:21:26,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 7 conjunts are in the unsatisfiable core [2020-09-15 13:21:26,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-15 13:21:26,524 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 13:21:26,524 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-15 13:21:26,525 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-09-15 13:21:26,525 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754039794] [2020-09-15 13:21:26,526 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-15 13:21:26,526 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:21:26,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-15 13:21:26,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-09-15 13:21:26,527 INFO L87 Difference]: Start difference. First operand 13870 states and 45593 transitions. Second operand 12 states. [2020-09-15 13:21:27,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:21:27,377 INFO L93 Difference]: Finished difference Result 28297 states and 88595 transitions. [2020-09-15 13:21:27,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-15 13:21:27,378 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 18 [2020-09-15 13:21:27,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:21:27,466 INFO L225 Difference]: With dead ends: 28297 [2020-09-15 13:21:27,466 INFO L226 Difference]: Without dead ends: 28227 [2020-09-15 13:21:27,466 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 12 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 13:21:29,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28227 states. [2020-09-15 13:21:30,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28227 to 13185. [2020-09-15 13:21:30,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13185 states. [2020-09-15 13:21:30,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13185 states to 13185 states and 43189 transitions. [2020-09-15 13:21:30,105 INFO L78 Accepts]: Start accepts. Automaton has 13185 states and 43189 transitions. Word has length 18 [2020-09-15 13:21:30,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:21:30,106 INFO L479 AbstractCegarLoop]: Abstraction has 13185 states and 43189 transitions. [2020-09-15 13:21:30,106 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-15 13:21:30,106 INFO L276 IsEmpty]: Start isEmpty. Operand 13185 states and 43189 transitions. [2020-09-15 13:21:30,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-15 13:21:30,107 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:21:30,108 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 13:21:30,315 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2020-09-15 13:21:30,316 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 13:21:30,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:21:30,317 INFO L82 PathProgramCache]: Analyzing trace with hash -1676322857, now seen corresponding path program 1 times [2020-09-15 13:21:30,317 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:21:30,318 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695398549] [2020-09-15 13:21:30,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:21:30,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:21:30,426 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 13:21:30,427 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695398549] [2020-09-15 13:21:30,427 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:21:30,428 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-15 13:21:30,428 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306080549] [2020-09-15 13:21:30,428 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-15 13:21:30,429 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:21:30,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-15 13:21:30,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-15 13:21:30,429 INFO L87 Difference]: Start difference. First operand 13185 states and 43189 transitions. Second operand 7 states. [2020-09-15 13:21:31,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:21:31,234 INFO L93 Difference]: Finished difference Result 28575 states and 89516 transitions. [2020-09-15 13:21:31,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-15 13:21:31,235 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-09-15 13:21:31,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:21:31,347 INFO L225 Difference]: With dead ends: 28575 [2020-09-15 13:21:31,347 INFO L226 Difference]: Without dead ends: 28491 [2020-09-15 13:21:31,348 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 13:21:31,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28491 states. [2020-09-15 13:21:31,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28491 to 12294. [2020-09-15 13:21:31,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12294 states. [2020-09-15 13:21:31,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12294 states to 12294 states and 40114 transitions. [2020-09-15 13:21:31,982 INFO L78 Accepts]: Start accepts. Automaton has 12294 states and 40114 transitions. Word has length 18 [2020-09-15 13:21:31,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:21:31,982 INFO L479 AbstractCegarLoop]: Abstraction has 12294 states and 40114 transitions. [2020-09-15 13:21:31,983 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-15 13:21:31,983 INFO L276 IsEmpty]: Start isEmpty. Operand 12294 states and 40114 transitions. [2020-09-15 13:21:31,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-15 13:21:31,984 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:21:31,984 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:21:31,984 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-09-15 13:21:31,984 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 13:21:31,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:21:31,985 INFO L82 PathProgramCache]: Analyzing trace with hash -1820904367, now seen corresponding path program 1 times [2020-09-15 13:21:31,985 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:21:31,985 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088312232] [2020-09-15 13:21:31,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:21:32,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:21:32,071 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 13:21:32,071 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088312232] [2020-09-15 13:21:32,072 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:21:32,072 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-15 13:21:32,072 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355437864] [2020-09-15 13:21:32,073 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-15 13:21:32,073 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:21:32,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-15 13:21:32,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-15 13:21:32,073 INFO L87 Difference]: Start difference. First operand 12294 states and 40114 transitions. Second operand 5 states. [2020-09-15 13:21:32,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:21:32,506 INFO L93 Difference]: Finished difference Result 24605 states and 79893 transitions. [2020-09-15 13:21:32,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-15 13:21:32,507 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-09-15 13:21:32,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:21:32,639 INFO L225 Difference]: With dead ends: 24605 [2020-09-15 13:21:32,639 INFO L226 Difference]: Without dead ends: 24581 [2020-09-15 13:21:32,640 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 13:21:33,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24581 states. [2020-09-15 13:21:33,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24581 to 13787. [2020-09-15 13:21:33,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13787 states. [2020-09-15 13:21:33,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13787 states to 13787 states and 45295 transitions. [2020-09-15 13:21:33,531 INFO L78 Accepts]: Start accepts. Automaton has 13787 states and 45295 transitions. Word has length 18 [2020-09-15 13:21:33,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:21:33,531 INFO L479 AbstractCegarLoop]: Abstraction has 13787 states and 45295 transitions. [2020-09-15 13:21:33,531 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-15 13:21:33,531 INFO L276 IsEmpty]: Start isEmpty. Operand 13787 states and 45295 transitions. [2020-09-15 13:21:33,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-15 13:21:33,534 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:21:33,535 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 13:21:33,535 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-09-15 13:21:33,535 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 13:21:33,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:21:33,535 INFO L82 PathProgramCache]: Analyzing trace with hash 862095341, now seen corresponding path program 1 times [2020-09-15 13:21:33,536 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:21:33,536 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253007043] [2020-09-15 13:21:33,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:21:35,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:21:35,393 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 13:21:35,394 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253007043] [2020-09-15 13:21:35,394 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [612051877] [2020-09-15 13:21:35,395 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 13:21:35,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:21:35,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 7 conjunts are in the unsatisfiable core [2020-09-15 13:21:35,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-15 13:21:35,642 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 13:21:35,643 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-15 13:21:35,643 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-09-15 13:21:35,643 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204060735] [2020-09-15 13:21:35,647 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-15 13:21:35,647 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:21:35,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-15 13:21:35,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-09-15 13:21:35,648 INFO L87 Difference]: Start difference. First operand 13787 states and 45295 transitions. Second operand 12 states. [2020-09-15 13:21:36,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:21:36,625 INFO L93 Difference]: Finished difference Result 31898 states and 102145 transitions. [2020-09-15 13:21:36,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-15 13:21:36,626 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 22 [2020-09-15 13:21:36,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:21:36,743 INFO L225 Difference]: With dead ends: 31898 [2020-09-15 13:21:36,743 INFO L226 Difference]: Without dead ends: 31865 [2020-09-15 13:21:36,744 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 13:21:36,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31865 states. [2020-09-15 13:21:37,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31865 to 13520. [2020-09-15 13:21:37,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13520 states. [2020-09-15 13:21:37,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13520 states to 13520 states and 44395 transitions. [2020-09-15 13:21:37,424 INFO L78 Accepts]: Start accepts. Automaton has 13520 states and 44395 transitions. Word has length 22 [2020-09-15 13:21:37,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:21:37,425 INFO L479 AbstractCegarLoop]: Abstraction has 13520 states and 44395 transitions. [2020-09-15 13:21:37,425 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-15 13:21:37,425 INFO L276 IsEmpty]: Start isEmpty. Operand 13520 states and 44395 transitions. [2020-09-15 13:21:37,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-15 13:21:37,427 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:21:37,427 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 13:21:37,634 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-15 13:21:37,635 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 13:21:37,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:21:37,636 INFO L82 PathProgramCache]: Analyzing trace with hash 611812975, now seen corresponding path program 1 times [2020-09-15 13:21:37,636 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:21:37,636 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020998976] [2020-09-15 13:21:37,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:21:37,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:21:37,764 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 13:21:37,764 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020998976] [2020-09-15 13:21:37,764 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1844897180] [2020-09-15 13:21:37,765 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 13:21:37,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:21:37,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 7 conjunts are in the unsatisfiable core [2020-09-15 13:21:37,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-15 13:21:37,992 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 13:21:37,993 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-15 13:21:37,993 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-09-15 13:21:37,994 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141196154] [2020-09-15 13:21:37,994 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-15 13:21:37,995 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:21:37,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-15 13:21:37,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-09-15 13:21:37,996 INFO L87 Difference]: Start difference. First operand 13520 states and 44395 transitions. Second operand 12 states. [2020-09-15 13:21:39,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:21:39,008 INFO L93 Difference]: Finished difference Result 32253 states and 103231 transitions. [2020-09-15 13:21:39,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-15 13:21:39,009 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 22 [2020-09-15 13:21:39,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:21:39,129 INFO L225 Difference]: With dead ends: 32253 [2020-09-15 13:21:39,129 INFO L226 Difference]: Without dead ends: 32220 [2020-09-15 13:21:39,130 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 13:21:39,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32220 states. [2020-09-15 13:21:42,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32220 to 13635. [2020-09-15 13:21:42,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13635 states. [2020-09-15 13:21:42,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13635 states to 13635 states and 44805 transitions. [2020-09-15 13:21:42,750 INFO L78 Accepts]: Start accepts. Automaton has 13635 states and 44805 transitions. Word has length 22 [2020-09-15 13:21:42,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:21:42,750 INFO L479 AbstractCegarLoop]: Abstraction has 13635 states and 44805 transitions. [2020-09-15 13:21:42,750 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-15 13:21:42,750 INFO L276 IsEmpty]: Start isEmpty. Operand 13635 states and 44805 transitions. [2020-09-15 13:21:42,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-15 13:21:42,753 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:21:42,754 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 13:21:42,960 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2020-09-15 13:21:42,961 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 13:21:42,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:21:42,962 INFO L82 PathProgramCache]: Analyzing trace with hash -704732583, now seen corresponding path program 1 times [2020-09-15 13:21:42,963 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:21:42,963 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078612648] [2020-09-15 13:21:42,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:21:42,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:21:43,096 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 13:21:43,097 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078612648] [2020-09-15 13:21:43,098 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:21:43,098 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-15 13:21:43,098 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910130979] [2020-09-15 13:21:43,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-15 13:21:43,099 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:21:43,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-15 13:21:43,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-15 13:21:43,099 INFO L87 Difference]: Start difference. First operand 13635 states and 44805 transitions. Second operand 7 states. [2020-09-15 13:21:43,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:21:43,996 INFO L93 Difference]: Finished difference Result 32335 states and 103485 transitions. [2020-09-15 13:21:43,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-15 13:21:43,997 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2020-09-15 13:21:43,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:21:44,112 INFO L225 Difference]: With dead ends: 32335 [2020-09-15 13:21:44,112 INFO L226 Difference]: Without dead ends: 32283 [2020-09-15 13:21:44,113 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 13:21:44,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32283 states. [2020-09-15 13:21:44,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32283 to 13344. [2020-09-15 13:21:44,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13344 states. [2020-09-15 13:21:44,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13344 states to 13344 states and 43620 transitions. [2020-09-15 13:21:44,756 INFO L78 Accepts]: Start accepts. Automaton has 13344 states and 43620 transitions. Word has length 22 [2020-09-15 13:21:44,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:21:44,757 INFO L479 AbstractCegarLoop]: Abstraction has 13344 states and 43620 transitions. [2020-09-15 13:21:44,757 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-15 13:21:44,757 INFO L276 IsEmpty]: Start isEmpty. Operand 13344 states and 43620 transitions. [2020-09-15 13:21:44,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-15 13:21:44,758 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:21:44,758 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 13:21:44,759 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-09-15 13:21:44,759 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 13:21:44,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:21:44,759 INFO L82 PathProgramCache]: Analyzing trace with hash -704227934, now seen corresponding path program 1 times [2020-09-15 13:21:44,759 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:21:44,759 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90959266] [2020-09-15 13:21:44,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:21:44,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:21:44,875 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 13:21:44,876 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90959266] [2020-09-15 13:21:44,876 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:21:44,876 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-15 13:21:44,876 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142988128] [2020-09-15 13:21:44,877 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-15 13:21:44,877 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:21:44,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-15 13:21:44,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-15 13:21:44,877 INFO L87 Difference]: Start difference. First operand 13344 states and 43620 transitions. Second operand 7 states. [2020-09-15 13:21:45,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:21:45,687 INFO L93 Difference]: Finished difference Result 32291 states and 103296 transitions. [2020-09-15 13:21:45,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-15 13:21:45,688 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2020-09-15 13:21:45,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:21:45,789 INFO L225 Difference]: With dead ends: 32291 [2020-09-15 13:21:45,790 INFO L226 Difference]: Without dead ends: 32239 [2020-09-15 13:21:45,790 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 13:21:46,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32239 states. [2020-09-15 13:21:46,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32239 to 13053. [2020-09-15 13:21:46,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13053 states. [2020-09-15 13:21:46,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13053 states to 13053 states and 42435 transitions. [2020-09-15 13:21:46,465 INFO L78 Accepts]: Start accepts. Automaton has 13053 states and 42435 transitions. Word has length 22 [2020-09-15 13:21:46,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:21:46,466 INFO L479 AbstractCegarLoop]: Abstraction has 13053 states and 42435 transitions. [2020-09-15 13:21:46,466 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-15 13:21:46,466 INFO L276 IsEmpty]: Start isEmpty. Operand 13053 states and 42435 transitions. [2020-09-15 13:21:46,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-15 13:21:46,469 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:21:46,469 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:21:46,470 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-09-15 13:21:46,470 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 13:21:46,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:21:46,470 INFO L82 PathProgramCache]: Analyzing trace with hash 804840611, now seen corresponding path program 1 times [2020-09-15 13:21:46,470 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:21:46,470 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401057030] [2020-09-15 13:21:46,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:21:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:21:46,558 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 13:21:46,558 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401057030] [2020-09-15 13:21:46,558 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:21:46,559 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-15 13:21:46,559 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865815196] [2020-09-15 13:21:46,559 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-15 13:21:46,559 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:21:46,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-15 13:21:46,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-15 13:21:46,560 INFO L87 Difference]: Start difference. First operand 13053 states and 42435 transitions. Second operand 5 states. [2020-09-15 13:21:47,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:21:47,147 INFO L93 Difference]: Finished difference Result 22796 states and 72726 transitions. [2020-09-15 13:21:47,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-15 13:21:47,148 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-09-15 13:21:47,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:21:47,223 INFO L225 Difference]: With dead ends: 22796 [2020-09-15 13:21:47,223 INFO L226 Difference]: Without dead ends: 22772 [2020-09-15 13:21:47,224 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 13:21:47,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22772 states. [2020-09-15 13:21:47,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22772 to 14368. [2020-09-15 13:21:47,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14368 states. [2020-09-15 13:21:47,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14368 states to 14368 states and 47032 transitions. [2020-09-15 13:21:47,815 INFO L78 Accepts]: Start accepts. Automaton has 14368 states and 47032 transitions. Word has length 22 [2020-09-15 13:21:47,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:21:47,816 INFO L479 AbstractCegarLoop]: Abstraction has 14368 states and 47032 transitions. [2020-09-15 13:21:47,816 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-15 13:21:47,816 INFO L276 IsEmpty]: Start isEmpty. Operand 14368 states and 47032 transitions. [2020-09-15 13:21:47,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-15 13:21:47,823 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:21:47,824 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 13:21:47,824 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-09-15 13:21:47,824 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 13:21:47,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:21:47,825 INFO L82 PathProgramCache]: Analyzing trace with hash 1897376779, now seen corresponding path program 1 times [2020-09-15 13:21:47,825 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:21:47,825 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497795400] [2020-09-15 13:21:47,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:21:47,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:21:47,990 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 13:21:47,990 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497795400] [2020-09-15 13:21:47,990 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965609649] [2020-09-15 13:21:47,990 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 13:21:48,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:21:48,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjunts are in the unsatisfiable core [2020-09-15 13:21:48,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-15 13:21:48,329 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 13:21:48,330 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-15 13:21:48,330 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2020-09-15 13:21:48,331 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809907834] [2020-09-15 13:21:48,331 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-15 13:21:48,332 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:21:48,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-15 13:21:48,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-09-15 13:21:48,333 INFO L87 Difference]: Start difference. First operand 14368 states and 47032 transitions. Second operand 16 states. [2020-09-15 13:21:50,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:21:50,550 INFO L93 Difference]: Finished difference Result 41694 states and 132241 transitions. [2020-09-15 13:21:50,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-15 13:21:50,551 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 26 [2020-09-15 13:21:50,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:21:50,705 INFO L225 Difference]: With dead ends: 41694 [2020-09-15 13:21:50,705 INFO L226 Difference]: Without dead ends: 41661 [2020-09-15 13:21:50,707 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 327 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=397, Invalid=1085, Unknown=0, NotChecked=0, Total=1482 [2020-09-15 13:21:50,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41661 states. [2020-09-15 13:21:51,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41661 to 14289. [2020-09-15 13:21:51,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14289 states. [2020-09-15 13:21:51,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14289 states to 14289 states and 46800 transitions. [2020-09-15 13:21:51,492 INFO L78 Accepts]: Start accepts. Automaton has 14289 states and 46800 transitions. Word has length 26 [2020-09-15 13:21:51,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:21:51,492 INFO L479 AbstractCegarLoop]: Abstraction has 14289 states and 46800 transitions. [2020-09-15 13:21:51,493 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-15 13:21:51,493 INFO L276 IsEmpty]: Start isEmpty. Operand 14289 states and 46800 transitions. [2020-09-15 13:21:51,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-15 13:21:51,499 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:21:51,500 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 13:21:51,774 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-15 13:21:51,775 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 13:21:51,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:21:51,777 INFO L82 PathProgramCache]: Analyzing trace with hash 580831221, now seen corresponding path program 1 times [2020-09-15 13:21:51,777 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:21:51,777 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316790093] [2020-09-15 13:21:51,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:21:51,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:21:51,962 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 13:21:51,963 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316790093] [2020-09-15 13:21:51,963 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [125309849] [2020-09-15 13:21:51,963 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 13:21:52,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:21:52,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjunts are in the unsatisfiable core [2020-09-15 13:21:52,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-15 13:21:52,351 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 13:21:52,352 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-15 13:21:52,352 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2020-09-15 13:21:52,352 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335489409] [2020-09-15 13:21:52,355 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-15 13:21:52,355 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:21:52,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-15 13:21:52,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-09-15 13:21:52,356 INFO L87 Difference]: Start difference. First operand 14289 states and 46800 transitions. Second operand 16 states. [2020-09-15 13:21:54,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:21:54,445 INFO L93 Difference]: Finished difference Result 41099 states and 130275 transitions. [2020-09-15 13:21:54,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-15 13:21:54,446 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 26 [2020-09-15 13:21:54,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:21:54,611 INFO L225 Difference]: With dead ends: 41099 [2020-09-15 13:21:54,611 INFO L226 Difference]: Without dead ends: 41038 [2020-09-15 13:21:54,613 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 329 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=397, Invalid=1085, Unknown=0, NotChecked=0, Total=1482 [2020-09-15 13:21:54,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41038 states. [2020-09-15 13:21:55,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41038 to 14154. [2020-09-15 13:21:55,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14154 states. [2020-09-15 13:21:55,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14154 states to 14154 states and 46395 transitions. [2020-09-15 13:21:55,488 INFO L78 Accepts]: Start accepts. Automaton has 14154 states and 46395 transitions. Word has length 26 [2020-09-15 13:21:55,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:21:55,489 INFO L479 AbstractCegarLoop]: Abstraction has 14154 states and 46395 transitions. [2020-09-15 13:21:55,489 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-15 13:21:55,489 INFO L276 IsEmpty]: Start isEmpty. Operand 14154 states and 46395 transitions. [2020-09-15 13:21:55,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-15 13:21:55,494 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:21:55,494 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 13:21:55,694 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2020-09-15 13:21:55,695 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 13:21:55,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:21:55,696 INFO L82 PathProgramCache]: Analyzing trace with hash 2090404415, now seen corresponding path program 1 times [2020-09-15 13:21:55,696 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:21:55,697 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132490280] [2020-09-15 13:21:55,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:21:55,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:21:55,810 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 13:21:55,810 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132490280] [2020-09-15 13:21:55,810 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [710107078] [2020-09-15 13:21:55,810 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 13:21:55,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:21:55,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 7 conjunts are in the unsatisfiable core [2020-09-15 13:21:55,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-15 13:21:56,031 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 13:21:56,032 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-15 13:21:56,033 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-09-15 13:21:56,033 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711118703] [2020-09-15 13:21:56,033 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-15 13:21:56,034 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:21:56,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-15 13:21:56,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-09-15 13:21:56,034 INFO L87 Difference]: Start difference. First operand 14154 states and 46395 transitions. Second operand 12 states. [2020-09-15 13:21:56,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:21:56,909 INFO L93 Difference]: Finished difference Result 30015 states and 94989 transitions. [2020-09-15 13:21:56,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-15 13:21:56,910 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 26 [2020-09-15 13:21:56,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:21:57,028 INFO L225 Difference]: With dead ends: 30015 [2020-09-15 13:21:57,028 INFO L226 Difference]: Without dead ends: 29979 [2020-09-15 13:21:57,030 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 13:21:57,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29979 states. [2020-09-15 13:21:57,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29979 to 14016. [2020-09-15 13:21:57,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14016 states. [2020-09-15 13:21:57,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14016 states to 14016 states and 45925 transitions. [2020-09-15 13:21:57,908 INFO L78 Accepts]: Start accepts. Automaton has 14016 states and 45925 transitions. Word has length 26 [2020-09-15 13:21:57,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:21:57,908 INFO L479 AbstractCegarLoop]: Abstraction has 14016 states and 45925 transitions. [2020-09-15 13:21:57,908 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-15 13:21:57,908 INFO L276 IsEmpty]: Start isEmpty. Operand 14016 states and 45925 transitions. [2020-09-15 13:21:57,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-15 13:21:57,914 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:21:57,914 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 13:21:58,114 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2020-09-15 13:21:58,115 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 13:21:58,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:21:58,116 INFO L82 PathProgramCache]: Analyzing trace with hash 1259126849, now seen corresponding path program 1 times [2020-09-15 13:21:58,116 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:21:58,116 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436477951] [2020-09-15 13:21:58,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:21:58,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:21:58,252 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 13:21:58,253 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436477951] [2020-09-15 13:21:58,253 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1474880451] [2020-09-15 13:21:58,253 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 13:21:58,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:21:58,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 7 conjunts are in the unsatisfiable core [2020-09-15 13:21:58,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-15 13:21:58,546 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 13:21:58,547 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-15 13:21:58,547 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-09-15 13:21:58,547 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147958147] [2020-09-15 13:21:58,548 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-15 13:21:58,548 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:21:58,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-15 13:21:58,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-09-15 13:21:58,549 INFO L87 Difference]: Start difference. First operand 14016 states and 45925 transitions. Second operand 12 states. [2020-09-15 13:21:59,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:21:59,661 INFO L93 Difference]: Finished difference Result 31636 states and 100720 transitions. [2020-09-15 13:21:59,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-15 13:21:59,662 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 26 [2020-09-15 13:21:59,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:21:59,806 INFO L225 Difference]: With dead ends: 31636 [2020-09-15 13:21:59,807 INFO L226 Difference]: Without dead ends: 31600 [2020-09-15 13:21:59,807 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2020-09-15 13:22:00,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31600 states. [2020-09-15 13:22:00,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31600 to 14486. [2020-09-15 13:22:00,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14486 states. [2020-09-15 13:22:00,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14486 states to 14486 states and 47676 transitions. [2020-09-15 13:22:00,510 INFO L78 Accepts]: Start accepts. Automaton has 14486 states and 47676 transitions. Word has length 26 [2020-09-15 13:22:00,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:22:00,511 INFO L479 AbstractCegarLoop]: Abstraction has 14486 states and 47676 transitions. [2020-09-15 13:22:00,511 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-15 13:22:00,511 INFO L276 IsEmpty]: Start isEmpty. Operand 14486 states and 47676 transitions. [2020-09-15 13:22:00,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-15 13:22:00,517 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:22:00,517 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 13:22:00,718 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2020-09-15 13:22:00,718 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 13:22:00,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:22:00,719 INFO L82 PathProgramCache]: Analyzing trace with hash 1815374016, now seen corresponding path program 1 times [2020-09-15 13:22:00,719 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:22:00,720 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20089569] [2020-09-15 13:22:00,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:22:00,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:22:00,905 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 13:22:00,905 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20089569] [2020-09-15 13:22:00,905 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [725693980] [2020-09-15 13:22:00,906 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 13:22:01,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:22:01,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjunts are in the unsatisfiable core [2020-09-15 13:22:01,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-15 13:22:01,213 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 13:22:01,214 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-15 13:22:01,215 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2020-09-15 13:22:01,215 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704287360] [2020-09-15 13:22:01,218 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-15 13:22:01,218 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:22:01,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-15 13:22:01,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-09-15 13:22:01,219 INFO L87 Difference]: Start difference. First operand 14486 states and 47676 transitions. Second operand 16 states. [2020-09-15 13:22:03,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:22:03,428 INFO L93 Difference]: Finished difference Result 41659 states and 132230 transitions. [2020-09-15 13:22:03,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-15 13:22:03,429 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 26 [2020-09-15 13:22:03,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:22:03,577 INFO L225 Difference]: With dead ends: 41659 [2020-09-15 13:22:03,577 INFO L226 Difference]: Without dead ends: 41612 [2020-09-15 13:22:03,578 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 329 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=397, Invalid=1085, Unknown=0, NotChecked=0, Total=1482 [2020-09-15 13:22:03,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41612 states. [2020-09-15 13:22:04,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41612 to 14407. [2020-09-15 13:22:04,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14407 states. [2020-09-15 13:22:04,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14407 states to 14407 states and 47444 transitions. [2020-09-15 13:22:04,361 INFO L78 Accepts]: Start accepts. Automaton has 14407 states and 47444 transitions. Word has length 26 [2020-09-15 13:22:04,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:22:04,361 INFO L479 AbstractCegarLoop]: Abstraction has 14407 states and 47444 transitions. [2020-09-15 13:22:04,361 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-15 13:22:04,361 INFO L276 IsEmpty]: Start isEmpty. Operand 14407 states and 47444 transitions. [2020-09-15 13:22:04,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-15 13:22:04,366 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:22:04,366 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 13:22:04,567 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2020-09-15 13:22:04,568 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 13:22:04,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:22:04,568 INFO L82 PathProgramCache]: Analyzing trace with hash 1360285835, now seen corresponding path program 2 times [2020-09-15 13:22:04,568 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:22:04,569 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219812442] [2020-09-15 13:22:04,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:22:04,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:22:04,699 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 13:22:04,699 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219812442] [2020-09-15 13:22:04,699 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1807513506] [2020-09-15 13:22:04,699 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 13:22:04,821 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-09-15 13:22:04,821 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-15 13:22:04,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjunts are in the unsatisfiable core [2020-09-15 13:22:04,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-15 13:22:04,947 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 13:22:04,947 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-15 13:22:04,948 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2020-09-15 13:22:04,948 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137233484] [2020-09-15 13:22:04,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-15 13:22:04,948 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:22:04,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-15 13:22:04,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-09-15 13:22:04,949 INFO L87 Difference]: Start difference. First operand 14407 states and 47444 transitions. Second operand 16 states. [2020-09-15 13:22:06,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:22:06,682 INFO L93 Difference]: Finished difference Result 39924 states and 125955 transitions. [2020-09-15 13:22:06,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-15 13:22:06,683 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 26 [2020-09-15 13:22:06,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:22:06,775 INFO L225 Difference]: With dead ends: 39924 [2020-09-15 13:22:06,775 INFO L226 Difference]: Without dead ends: 39877 [2020-09-15 13:22:06,776 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 13:22:06,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39877 states. [2020-09-15 13:22:07,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39877 to 14132. [2020-09-15 13:22:07,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14132 states. [2020-09-15 13:22:07,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14132 states to 14132 states and 46578 transitions. [2020-09-15 13:22:07,487 INFO L78 Accepts]: Start accepts. Automaton has 14132 states and 46578 transitions. Word has length 26 [2020-09-15 13:22:07,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:22:07,488 INFO L479 AbstractCegarLoop]: Abstraction has 14132 states and 46578 transitions. [2020-09-15 13:22:07,488 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-15 13:22:07,488 INFO L276 IsEmpty]: Start isEmpty. Operand 14132 states and 46578 transitions. [2020-09-15 13:22:07,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-15 13:22:07,492 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:22:07,492 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 13:22:07,692 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2020-09-15 13:22:07,693 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 13:22:07,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:22:07,693 INFO L82 PathProgramCache]: Analyzing trace with hash -1755372160, now seen corresponding path program 2 times [2020-09-15 13:22:07,694 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:22:07,694 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587903865] [2020-09-15 13:22:07,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:22:07,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:22:07,803 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 13:22:07,804 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587903865] [2020-09-15 13:22:07,804 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:22:07,804 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-15 13:22:07,805 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362813480] [2020-09-15 13:22:07,805 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-15 13:22:07,805 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:22:07,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-15 13:22:07,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-09-15 13:22:07,806 INFO L87 Difference]: Start difference. First operand 14132 states and 46578 transitions. Second operand 9 states. [2020-09-15 13:22:09,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:22:09,176 INFO L93 Difference]: Finished difference Result 41319 states and 131131 transitions. [2020-09-15 13:22:09,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-15 13:22:09,177 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 26 [2020-09-15 13:22:09,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:22:09,275 INFO L225 Difference]: With dead ends: 41319 [2020-09-15 13:22:09,275 INFO L226 Difference]: Without dead ends: 41263 [2020-09-15 13:22:09,276 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 13:22:09,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41263 states. [2020-09-15 13:22:09,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41263 to 13736. [2020-09-15 13:22:09,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13736 states. [2020-09-15 13:22:09,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13736 states to 13736 states and 45132 transitions. [2020-09-15 13:22:09,836 INFO L78 Accepts]: Start accepts. Automaton has 13736 states and 45132 transitions. Word has length 26 [2020-09-15 13:22:09,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:22:09,836 INFO L479 AbstractCegarLoop]: Abstraction has 13736 states and 45132 transitions. [2020-09-15 13:22:09,836 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-15 13:22:09,836 INFO L276 IsEmpty]: Start isEmpty. Operand 13736 states and 45132 transitions. [2020-09-15 13:22:09,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-15 13:22:09,840 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:22:09,840 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 13:22:09,841 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2020-09-15 13:22:09,841 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 13:22:09,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:22:09,841 INFO L82 PathProgramCache]: Analyzing trace with hash 431445621, now seen corresponding path program 2 times [2020-09-15 13:22:09,841 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:22:09,841 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772449617] [2020-09-15 13:22:09,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:22:09,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:22:09,949 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 13:22:09,950 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772449617] [2020-09-15 13:22:09,950 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:22:09,950 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-15 13:22:09,950 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743056856] [2020-09-15 13:22:09,951 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-15 13:22:09,951 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:22:09,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-15 13:22:09,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-09-15 13:22:09,951 INFO L87 Difference]: Start difference. First operand 13736 states and 45132 transitions. Second operand 9 states. [2020-09-15 13:22:11,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:22:11,526 INFO L93 Difference]: Finished difference Result 40797 states and 129302 transitions. [2020-09-15 13:22:11,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-15 13:22:11,527 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 26 [2020-09-15 13:22:11,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:22:11,613 INFO L225 Difference]: With dead ends: 40797 [2020-09-15 13:22:11,613 INFO L226 Difference]: Without dead ends: 40717 [2020-09-15 13:22:11,613 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 13:22:11,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40717 states. [2020-09-15 13:22:12,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40717 to 12973. [2020-09-15 13:22:12,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12973 states. [2020-09-15 13:22:12,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12973 states to 12973 states and 42382 transitions. [2020-09-15 13:22:12,109 INFO L78 Accepts]: Start accepts. Automaton has 12973 states and 42382 transitions. Word has length 26 [2020-09-15 13:22:12,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:22:12,109 INFO L479 AbstractCegarLoop]: Abstraction has 12973 states and 42382 transitions. [2020-09-15 13:22:12,109 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-15 13:22:12,109 INFO L276 IsEmpty]: Start isEmpty. Operand 12973 states and 42382 transitions. [2020-09-15 13:22:12,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-15 13:22:12,113 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:22:12,113 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 13:22:12,113 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2020-09-15 13:22:12,113 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 13:22:12,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:22:12,114 INFO L82 PathProgramCache]: Analyzing trace with hash -1899180499, now seen corresponding path program 1 times [2020-09-15 13:22:12,114 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:22:12,114 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920593994] [2020-09-15 13:22:12,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:22:12,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:22:12,209 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 13:22:12,209 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920593994] [2020-09-15 13:22:12,209 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [742702093] [2020-09-15 13:22:12,209 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 13:22:12,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:22:12,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 7 conjunts are in the unsatisfiable core [2020-09-15 13:22:12,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-15 13:22:12,404 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 13:22:12,405 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-15 13:22:12,405 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-09-15 13:22:12,405 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664180048] [2020-09-15 13:22:12,406 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-15 13:22:12,406 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:22:12,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-15 13:22:12,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-09-15 13:22:12,406 INFO L87 Difference]: Start difference. First operand 12973 states and 42382 transitions. Second operand 12 states. [2020-09-15 13:22:13,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:22:13,149 INFO L93 Difference]: Finished difference Result 32044 states and 103297 transitions. [2020-09-15 13:22:13,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-15 13:22:13,150 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 26 [2020-09-15 13:22:13,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:22:13,225 INFO L225 Difference]: With dead ends: 32044 [2020-09-15 13:22:13,225 INFO L226 Difference]: Without dead ends: 32018 [2020-09-15 13:22:13,226 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 13:22:13,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32018 states. [2020-09-15 13:22:13,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32018 to 12978. [2020-09-15 13:22:13,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12978 states. [2020-09-15 13:22:13,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12978 states to 12978 states and 42356 transitions. [2020-09-15 13:22:13,692 INFO L78 Accepts]: Start accepts. Automaton has 12978 states and 42356 transitions. Word has length 26 [2020-09-15 13:22:13,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:22:13,692 INFO L479 AbstractCegarLoop]: Abstraction has 12978 states and 42356 transitions. [2020-09-15 13:22:13,693 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-15 13:22:13,693 INFO L276 IsEmpty]: Start isEmpty. Operand 12978 states and 42356 transitions. [2020-09-15 13:22:13,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-15 13:22:13,698 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:22:13,698 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 13:22:13,898 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-15 13:22:13,899 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 13:22:13,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:22:13,899 INFO L82 PathProgramCache]: Analyzing trace with hash 152437866, now seen corresponding path program 1 times [2020-09-15 13:22:13,899 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:22:13,900 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959240693] [2020-09-15 13:22:13,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:22:13,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:22:13,999 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 13:22:13,999 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959240693] [2020-09-15 13:22:13,999 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:22:13,999 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-15 13:22:14,000 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742041732] [2020-09-15 13:22:14,000 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-15 13:22:14,000 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:22:14,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-15 13:22:14,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-15 13:22:14,001 INFO L87 Difference]: Start difference. First operand 12978 states and 42356 transitions. Second operand 7 states. [2020-09-15 13:22:14,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:22:14,635 INFO L93 Difference]: Finished difference Result 31921 states and 102815 transitions. [2020-09-15 13:22:14,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-15 13:22:14,636 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-09-15 13:22:14,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:22:14,851 INFO L225 Difference]: With dead ends: 31921 [2020-09-15 13:22:14,851 INFO L226 Difference]: Without dead ends: 31901 [2020-09-15 13:22:14,852 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 13:22:15,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31901 states. [2020-09-15 13:22:15,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31901 to 13027. [2020-09-15 13:22:15,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13027 states. [2020-09-15 13:22:15,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13027 states to 13027 states and 42312 transitions. [2020-09-15 13:22:15,324 INFO L78 Accepts]: Start accepts. Automaton has 13027 states and 42312 transitions. Word has length 26 [2020-09-15 13:22:15,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:22:15,324 INFO L479 AbstractCegarLoop]: Abstraction has 13027 states and 42312 transitions. [2020-09-15 13:22:15,324 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-15 13:22:15,324 INFO L276 IsEmpty]: Start isEmpty. Operand 13027 states and 42312 transitions. [2020-09-15 13:22:15,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-15 13:22:15,328 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:22:15,328 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 13:22:15,328 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2020-09-15 13:22:15,328 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 13:22:15,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:22:15,329 INFO L82 PathProgramCache]: Analyzing trace with hash 152253416, now seen corresponding path program 1 times [2020-09-15 13:22:15,329 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:22:15,329 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351089025] [2020-09-15 13:22:15,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:22:15,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:22:15,413 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 13:22:15,414 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351089025] [2020-09-15 13:22:15,414 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:22:15,414 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-15 13:22:15,414 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752311383] [2020-09-15 13:22:15,415 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-15 13:22:15,415 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:22:15,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-15 13:22:15,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-15 13:22:15,415 INFO L87 Difference]: Start difference. First operand 13027 states and 42312 transitions. Second operand 7 states. [2020-09-15 13:22:16,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:22:16,038 INFO L93 Difference]: Finished difference Result 30274 states and 95920 transitions. [2020-09-15 13:22:16,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-15 13:22:16,039 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-09-15 13:22:16,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:22:16,100 INFO L225 Difference]: With dead ends: 30274 [2020-09-15 13:22:16,100 INFO L226 Difference]: Without dead ends: 30232 [2020-09-15 13:22:16,100 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 13:22:16,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30232 states. [2020-09-15 13:22:16,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30232 to 13336. [2020-09-15 13:22:16,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13336 states. [2020-09-15 13:22:16,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13336 states to 13336 states and 43434 transitions. [2020-09-15 13:22:16,557 INFO L78 Accepts]: Start accepts. Automaton has 13336 states and 43434 transitions. Word has length 26 [2020-09-15 13:22:16,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:22:16,557 INFO L479 AbstractCegarLoop]: Abstraction has 13336 states and 43434 transitions. [2020-09-15 13:22:16,557 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-15 13:22:16,557 INFO L276 IsEmpty]: Start isEmpty. Operand 13336 states and 43434 transitions. [2020-09-15 13:22:16,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-15 13:22:16,561 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:22:16,561 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 13:22:16,561 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2020-09-15 13:22:16,562 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 13:22:16,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:22:16,562 INFO L82 PathProgramCache]: Analyzing trace with hash 152758065, now seen corresponding path program 1 times [2020-09-15 13:22:16,562 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:22:16,562 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893555954] [2020-09-15 13:22:16,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:22:16,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:22:16,654 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 13:22:16,655 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893555954] [2020-09-15 13:22:16,655 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:22:16,655 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-15 13:22:16,655 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391022779] [2020-09-15 13:22:16,655 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-15 13:22:16,656 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:22:16,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-15 13:22:16,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-15 13:22:16,656 INFO L87 Difference]: Start difference. First operand 13336 states and 43434 transitions. Second operand 7 states. [2020-09-15 13:22:17,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:22:17,295 INFO L93 Difference]: Finished difference Result 30377 states and 96218 transitions. [2020-09-15 13:22:17,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-15 13:22:17,296 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-09-15 13:22:17,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:22:17,355 INFO L225 Difference]: With dead ends: 30377 [2020-09-15 13:22:17,356 INFO L226 Difference]: Without dead ends: 30335 [2020-09-15 13:22:17,356 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 13:22:17,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30335 states. [2020-09-15 13:22:17,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30335 to 13332. [2020-09-15 13:22:17,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13332 states. [2020-09-15 13:22:17,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13332 states to 13332 states and 43406 transitions. [2020-09-15 13:22:17,932 INFO L78 Accepts]: Start accepts. Automaton has 13332 states and 43406 transitions. Word has length 26 [2020-09-15 13:22:17,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:22:17,932 INFO L479 AbstractCegarLoop]: Abstraction has 13332 states and 43406 transitions. [2020-09-15 13:22:17,933 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-15 13:22:17,933 INFO L276 IsEmpty]: Start isEmpty. Operand 13332 states and 43406 transitions. [2020-09-15 13:22:17,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-15 13:22:17,936 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:22:17,936 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:22:17,937 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2020-09-15 13:22:17,937 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 13:22:17,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:22:17,937 INFO L82 PathProgramCache]: Analyzing trace with hash -1394308057, now seen corresponding path program 1 times [2020-09-15 13:22:17,937 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:22:17,937 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050048612] [2020-09-15 13:22:17,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:22:17,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-15 13:22:18,003 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 13:22:18,003 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050048612] [2020-09-15 13:22:18,004 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-15 13:22:18,004 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-15 13:22:18,004 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73409939] [2020-09-15 13:22:18,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-15 13:22:18,005 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-15 13:22:18,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-15 13:22:18,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-15 13:22:18,005 INFO L87 Difference]: Start difference. First operand 13332 states and 43406 transitions. Second operand 5 states. [2020-09-15 13:22:18,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-15 13:22:18,299 INFO L93 Difference]: Finished difference Result 22152 states and 70551 transitions. [2020-09-15 13:22:18,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-15 13:22:18,300 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-09-15 13:22:18,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-15 13:22:18,344 INFO L225 Difference]: With dead ends: 22152 [2020-09-15 13:22:18,344 INFO L226 Difference]: Without dead ends: 22136 [2020-09-15 13:22:18,344 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 13:22:18,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22136 states. [2020-09-15 13:22:18,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22136 to 14503. [2020-09-15 13:22:18,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14503 states. [2020-09-15 13:22:18,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14503 states to 14503 states and 47492 transitions. [2020-09-15 13:22:18,734 INFO L78 Accepts]: Start accepts. Automaton has 14503 states and 47492 transitions. Word has length 26 [2020-09-15 13:22:18,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-15 13:22:18,735 INFO L479 AbstractCegarLoop]: Abstraction has 14503 states and 47492 transitions. [2020-09-15 13:22:18,735 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-15 13:22:18,735 INFO L276 IsEmpty]: Start isEmpty. Operand 14503 states and 47492 transitions. [2020-09-15 13:22:18,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-15 13:22:18,739 INFO L414 BasicCegarLoop]: Found error trace [2020-09-15 13:22:18,739 INFO L422 BasicCegarLoop]: trace histogram [6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-15 13:22:18,739 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2020-09-15 13:22:18,740 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 13:22:18,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-15 13:22:18,740 INFO L82 PathProgramCache]: Analyzing trace with hash -1404687835, now seen corresponding path program 1 times [2020-09-15 13:22:18,740 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-15 13:22:18,740 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168818573] [2020-09-15 13:22:18,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-15 13:22:18,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-15 13:22:18,754 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-15 13:22:18,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-15 13:22:18,769 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-15 13:22:18,778 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-09-15 13:22:18,778 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-15 13:22:18,779 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2020-09-15 13:22:18,779 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-09-15 13:22:18,779 WARN L363 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2020-09-15 13:22:18,780 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2020-09-15 13:22:18,800 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,800 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,801 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,801 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,801 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,801 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,801 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,801 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,801 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,802 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,802 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,802 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,802 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,802 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,802 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,803 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,803 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,803 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,803 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,803 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,803 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,804 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,804 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,804 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,804 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,804 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,804 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,804 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,804 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,805 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,805 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,805 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,805 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,805 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,805 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,805 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,806 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,806 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,806 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,806 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,806 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,806 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,806 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,807 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,807 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,807 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,807 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,807 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,807 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,807 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,807 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,808 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,808 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,808 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,808 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,808 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,808 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,808 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,809 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,809 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,809 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,809 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,809 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,809 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,810 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,810 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,810 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,810 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,810 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,810 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,810 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,810 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,811 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,811 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,811 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,811 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,811 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,811 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,811 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,812 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,812 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,812 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,812 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,812 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,812 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,812 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,813 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,813 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,813 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,813 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,813 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,813 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,813 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,813 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,814 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,814 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,814 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,814 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,814 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,814 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,814 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,815 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,815 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,815 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,815 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,815 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,815 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,815 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,816 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,816 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,816 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,816 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,816 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,816 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,816 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,816 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,817 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,817 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,817 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,817 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,817 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,817 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,817 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,817 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,818 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,818 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,818 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,818 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,818 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,818 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,819 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,819 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,819 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,819 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,819 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,819 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,819 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,820 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,820 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,820 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,820 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,820 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,820 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,820 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,820 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,821 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,821 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,821 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,821 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,821 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,821 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,821 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,822 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,822 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,822 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,822 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,822 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,822 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,822 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,822 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,823 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,823 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,823 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,823 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,823 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,823 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,823 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,824 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,824 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,824 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,824 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,824 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,824 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,824 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,824 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,825 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,825 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,825 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,825 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,825 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,825 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,825 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,826 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,826 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,826 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,826 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,826 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,826 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,827 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,827 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,827 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,827 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,827 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,827 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,827 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,828 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,829 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,829 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,829 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,829 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,830 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,830 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,830 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,830 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,830 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,830 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,832 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,832 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,832 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,832 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,832 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,832 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,833 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,833 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,833 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,833 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,834 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,835 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,835 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,835 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,835 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,835 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,835 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,835 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,836 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,836 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,837 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,837 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,837 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,837 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,838 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,838 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,838 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,838 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,838 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,838 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,840 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,840 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,840 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,840 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,840 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,840 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,840 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,841 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,841 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,841 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,842 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,842 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,843 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,843 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,843 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,843 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,844 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,844 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,845 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,845 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,845 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,845 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,846 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,846 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,847 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,847 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,847 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,847 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,849 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,849 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,849 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,849 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,849 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,849 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,851 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,851 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,851 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,851 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,851 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,851 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,853 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,853 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,853 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,853 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,853 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,854 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-15 13:22:18,855 INFO L251 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2020-09-15 13:22:18,855 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-15 13:22:18,855 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-15 13:22:18,855 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-15 13:22:18,855 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-15 13:22:18,856 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-15 13:22:18,856 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-15 13:22:18,856 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-15 13:22:18,856 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-15 13:22:18,858 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 227 places, 221 transitions, 562 flow [2020-09-15 13:22:18,858 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 227 places, 221 transitions, 562 flow [2020-09-15 13:22:18,896 INFO L129 PetriNetUnfolder]: 21/256 cut-off events. [2020-09-15 13:22:18,897 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2020-09-15 13:22:18,900 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 13:22:18,912 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 227 places, 221 transitions, 562 flow [2020-09-15 13:22:18,951 INFO L129 PetriNetUnfolder]: 21/256 cut-off events. [2020-09-15 13:22:18,951 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2020-09-15 13:22:18,955 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 13:22:18,967 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 16092 [2020-09-15 13:22:18,967 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-09-15 13:22:22,597 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 16 [2020-09-15 13:22:23,744 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2020-09-15 13:22:23,858 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 35 [2020-09-15 13:22:24,106 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 33 [2020-09-15 13:22:24,409 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 33 [2020-09-15 13:22:25,056 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2020-09-15 13:22:25,216 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-09-15 13:22:25,267 INFO L206 etLargeBlockEncoding]: Checked pairs total: 26011 [2020-09-15 13:22:25,267 INFO L214 etLargeBlockEncoding]: Total number of compositions: 201 [2020-09-15 13:22:25,267 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 86 places, 66 transitions, 252 flow