/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_24-sound_lock_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-13 19:08:41,256 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-13 19:08:41,258 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-13 19:08:41,281 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-13 19:08:41,281 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-13 19:08:41,283 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-13 19:08:41,286 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-13 19:08:41,291 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-13 19:08:41,292 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-13 19:08:41,292 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-13 19:08:41,293 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-13 19:08:41,293 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-13 19:08:41,294 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-13 19:08:41,294 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-13 19:08:41,295 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-13 19:08:41,295 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-13 19:08:41,296 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-13 19:08:41,296 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-13 19:08:41,297 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-13 19:08:41,299 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-13 19:08:41,299 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-13 19:08:41,303 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-13 19:08:41,306 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-13 19:08:41,308 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-13 19:08:41,316 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-13 19:08:41,316 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-13 19:08:41,316 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-13 19:08:41,317 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-13 19:08:41,317 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-13 19:08:41,318 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-13 19:08:41,318 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-13 19:08:41,318 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-13 19:08:41,319 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-13 19:08:41,337 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-13 19:08:41,338 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-13 19:08:41,338 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-13 19:08:41,338 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-13 19:08:41,339 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-13 19:08:41,339 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-13 19:08:41,339 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-13 19:08:41,340 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-13 19:08:41,341 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2021-07-13 19:08:41,367 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-13 19:08:41,367 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-13 19:08:41,368 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-13 19:08:41,368 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-13 19:08:41,369 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-13 19:08:41,369 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-13 19:08:41,370 INFO L138 SettingsManager]: * Use SBE=true [2021-07-13 19:08:41,370 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-13 19:08:41,370 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-13 19:08:41,370 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-13 19:08:41,370 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-13 19:08:41,371 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-13 19:08:41,371 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-13 19:08:41,371 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-13 19:08:41,371 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-13 19:08:41,371 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-13 19:08:41,371 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-13 19:08:41,371 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-13 19:08:41,371 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-13 19:08:41,371 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-13 19:08:41,371 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-13 19:08:41,372 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-13 19:08:41,372 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-13 19:08:41,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-13 19:08:41,372 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-13 19:08:41,372 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-13 19:08:41,372 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-13 19:08:41,372 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-13 19:08:41,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-13 19:08:41,372 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-13 19:08:41,373 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-13 19:08:41,373 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-13 19:08:41,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-13 19:08:41,689 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-13 19:08:41,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-13 19:08:41,692 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-13 19:08:41,693 INFO L275 PluginConnector]: CDTParser initialized [2021-07-13 19:08:41,694 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_24-sound_lock_racing.i [2021-07-13 19:08:41,736 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a16be1dae/f35d978878104c43a7828812bb30be02/FLAGe12a2989f [2021-07-13 19:08:42,186 INFO L306 CDTParser]: Found 1 translation units. [2021-07-13 19:08:42,186 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_24-sound_lock_racing.i [2021-07-13 19:08:42,200 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a16be1dae/f35d978878104c43a7828812bb30be02/FLAGe12a2989f [2021-07-13 19:08:42,220 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a16be1dae/f35d978878104c43a7828812bb30be02 [2021-07-13 19:08:42,223 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-13 19:08:42,224 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-13 19:08:42,227 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-13 19:08:42,227 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-13 19:08:42,230 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-13 19:08:42,230 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 07:08:42" (1/1) ... [2021-07-13 19:08:42,231 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f182b32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:08:42, skipping insertion in model container [2021-07-13 19:08:42,231 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 07:08:42" (1/1) ... [2021-07-13 19:08:42,238 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-13 19:08:42,282 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-13 19:08:42,559 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_24-sound_lock_racing.i[29913,29926] [2021-07-13 19:08:42,573 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-13 19:08:42,582 INFO L203 MainTranslator]: Completed pre-run [2021-07-13 19:08:42,605 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_24-sound_lock_racing.i[29913,29926] [2021-07-13 19:08:42,612 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-13 19:08:42,641 INFO L208 MainTranslator]: Completed translation [2021-07-13 19:08:42,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:08:42 WrapperNode [2021-07-13 19:08:42,642 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-13 19:08:42,643 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-13 19:08:42,643 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-13 19:08:42,643 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-13 19:08:42,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:08:42" (1/1) ... [2021-07-13 19:08:42,660 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:08:42" (1/1) ... [2021-07-13 19:08:42,676 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-13 19:08:42,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-13 19:08:42,676 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-13 19:08:42,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-13 19:08:42,682 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:08:42" (1/1) ... [2021-07-13 19:08:42,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:08:42" (1/1) ... [2021-07-13 19:08:42,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:08:42" (1/1) ... [2021-07-13 19:08:42,685 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:08:42" (1/1) ... [2021-07-13 19:08:42,690 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:08:42" (1/1) ... [2021-07-13 19:08:42,693 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:08:42" (1/1) ... [2021-07-13 19:08:42,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:08:42" (1/1) ... [2021-07-13 19:08:42,697 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-13 19:08:42,698 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-13 19:08:42,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-13 19:08:42,698 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-13 19:08:42,698 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:08:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-13 19:08:42,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-07-13 19:08:42,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-13 19:08:42,853 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-07-13 19:08:42,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-13 19:08:42,854 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-07-13 19:08:42,855 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-07-13 19:08:42,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-13 19:08:42,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-13 19:08:42,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-13 19:08:42,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-13 19:08:42,857 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-13 19:08:43,176 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-13 19:08:43,177 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-07-13 19:08:43,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 07:08:43 BoogieIcfgContainer [2021-07-13 19:08:43,178 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-13 19:08:43,180 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-13 19:08:43,180 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-13 19:08:43,182 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-13 19:08:43,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 07:08:42" (1/3) ... [2021-07-13 19:08:43,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54a2e6ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 07:08:43, skipping insertion in model container [2021-07-13 19:08:43,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:08:42" (2/3) ... [2021-07-13 19:08:43,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54a2e6ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 07:08:43, skipping insertion in model container [2021-07-13 19:08:43,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 07:08:43" (3/3) ... [2021-07-13 19:08:43,184 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_24-sound_lock_racing.i [2021-07-13 19:08:43,189 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-13 19:08:43,189 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-13 19:08:43,189 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-13 19:08:43,190 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-13 19:08:43,215 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,216 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,216 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,216 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,216 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,216 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,216 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,216 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,217 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,217 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,217 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,217 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,217 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,218 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,218 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,218 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,218 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,218 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,219 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,219 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,219 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,219 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,219 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,219 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,220 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,220 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,220 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,220 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,220 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,220 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,221 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,221 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,221 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,221 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,221 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,221 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,223 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,223 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,224 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,224 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,224 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,224 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,224 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,224 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,224 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,230 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-07-13 19:08:43,249 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-07-13 19:08:43,264 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-13 19:08:43,265 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-13 19:08:43,265 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-13 19:08:43,265 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-13 19:08:43,265 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-13 19:08:43,265 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-13 19:08:43,265 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-13 19:08:43,265 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-13 19:08:43,275 INFO L110 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 100 places, 110 transitions, 228 flow [2021-07-13 19:08:43,314 INFO L132 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 606 states, 603 states have (on average 2.2023217247097846) internal successors, (1328), 605 states have internal predecessors, (1328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:08:43,318 INFO L276 IsEmpty]: Start isEmpty. Operand has 606 states, 603 states have (on average 2.2023217247097846) internal successors, (1328), 605 states have internal predecessors, (1328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:08:43,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-07-13 19:08:43,324 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:08:43,325 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:08:43,325 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 19:08:43,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:08:43,330 INFO L82 PathProgramCache]: Analyzing trace with hash -1965459098, now seen corresponding path program 1 times [2021-07-13 19:08:43,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:08:43,337 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020641924] [2021-07-13 19:08:43,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:08:43,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:08:43,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:08:43,563 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:08:43,564 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020641924] [2021-07-13 19:08:43,564 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020641924] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-13 19:08:43,564 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-13 19:08:43,564 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-13 19:08:43,565 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308926037] [2021-07-13 19:08:43,567 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-13 19:08:43,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:08:43,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-13 19:08:43,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-13 19:08:43,593 INFO L87 Difference]: Start difference. First operand has 606 states, 603 states have (on average 2.2023217247097846) internal successors, (1328), 605 states have internal predecessors, (1328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:08:43,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:08:43,656 INFO L93 Difference]: Finished difference Result 570 states and 1054 transitions. [2021-07-13 19:08:43,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-13 19:08:43,657 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2021-07-13 19:08:43,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:08:43,667 INFO L225 Difference]: With dead ends: 570 [2021-07-13 19:08:43,667 INFO L226 Difference]: Without dead ends: 524 [2021-07-13 19:08:43,668 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-13 19:08:43,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2021-07-13 19:08:43,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 524. [2021-07-13 19:08:43,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 522 states have (on average 1.8467432950191571) internal successors, (964), 523 states have internal predecessors, (964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:08:43,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 964 transitions. [2021-07-13 19:08:43,756 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 964 transitions. Word has length 45 [2021-07-13 19:08:43,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:08:43,756 INFO L482 AbstractCegarLoop]: Abstraction has 524 states and 964 transitions. [2021-07-13 19:08:43,756 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:08:43,756 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 964 transitions. [2021-07-13 19:08:43,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-07-13 19:08:43,758 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:08:43,758 INFO L508 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:08:43,758 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-13 19:08:43,758 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 19:08:43,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:08:43,759 INFO L82 PathProgramCache]: Analyzing trace with hash -1003743219, now seen corresponding path program 1 times [2021-07-13 19:08:43,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:08:43,759 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043724118] [2021-07-13 19:08:43,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:08:43,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-13 19:08:43,809 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-13 19:08:43,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-13 19:08:43,857 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-13 19:08:43,887 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-13 19:08:43,887 INFO L609 BasicCegarLoop]: Counterexample might be feasible [2021-07-13 19:08:43,887 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-13 19:08:43,888 WARN L243 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-07-13 19:08:43,888 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-07-13 19:08:43,900 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,900 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,900 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,900 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,900 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,900 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,901 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,901 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,901 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,901 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,901 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,901 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,901 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,901 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,902 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,902 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,902 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,902 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,902 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,902 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,903 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,903 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,903 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,903 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,903 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,903 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,903 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,903 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,903 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,903 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,904 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,904 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,904 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,904 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,904 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,904 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,905 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,905 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,905 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,905 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,905 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,905 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,905 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,905 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,906 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,906 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,906 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,906 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,906 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,906 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,906 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,906 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,906 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,906 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,906 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,906 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,907 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,907 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,907 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,907 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,907 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,907 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,907 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,907 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,907 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,907 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,907 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,907 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,907 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,907 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,908 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,908 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,908 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,908 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,908 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,908 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,908 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,908 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,908 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,909 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,909 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,910 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,910 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,910 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,910 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,910 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,911 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,911 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,911 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,911 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:43,915 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-13 19:08:43,915 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-07-13 19:08:43,926 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-13 19:08:43,926 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-13 19:08:43,926 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-13 19:08:43,926 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-13 19:08:43,926 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-13 19:08:43,926 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-13 19:08:43,926 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-13 19:08:43,926 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-13 19:08:43,927 INFO L110 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 125 places, 140 transitions, 298 flow [2021-07-13 19:08:44,193 INFO L132 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 13279 states, 13275 states have (on average 3.4625988700564974) internal successors, (45966), 13278 states have internal predecessors, (45966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:08:44,224 INFO L276 IsEmpty]: Start isEmpty. Operand has 13279 states, 13275 states have (on average 3.4625988700564974) internal successors, (45966), 13278 states have internal predecessors, (45966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:08:44,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-07-13 19:08:44,228 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:08:44,228 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:08:44,229 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 19:08:44,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:08:44,229 INFO L82 PathProgramCache]: Analyzing trace with hash -132954157, now seen corresponding path program 1 times [2021-07-13 19:08:44,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:08:44,230 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347147412] [2021-07-13 19:08:44,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:08:44,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:08:44,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:08:44,289 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:08:44,289 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347147412] [2021-07-13 19:08:44,290 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347147412] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-13 19:08:44,291 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-13 19:08:44,292 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-13 19:08:44,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323388172] [2021-07-13 19:08:44,292 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-13 19:08:44,292 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:08:44,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-13 19:08:44,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-13 19:08:44,326 INFO L87 Difference]: Start difference. First operand has 13279 states, 13275 states have (on average 3.4625988700564974) internal successors, (45966), 13278 states have internal predecessors, (45966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:08:44,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:08:44,477 INFO L93 Difference]: Finished difference Result 12726 states and 35958 transitions. [2021-07-13 19:08:44,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 19:08:44,477 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2021-07-13 19:08:44,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:08:44,525 INFO L225 Difference]: With dead ends: 12726 [2021-07-13 19:08:44,526 INFO L226 Difference]: Without dead ends: 11620 [2021-07-13 19:08:44,526 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-13 19:08:44,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11620 states. [2021-07-13 19:08:44,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11620 to 11620. [2021-07-13 19:08:45,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11620 states, 11616 states have (on average 2.822314049586777) internal successors, (32784), 11619 states have internal predecessors, (32784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:08:45,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11620 states to 11620 states and 32784 transitions. [2021-07-13 19:08:45,052 INFO L78 Accepts]: Start accepts. Automaton has 11620 states and 32784 transitions. Word has length 45 [2021-07-13 19:08:45,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:08:45,053 INFO L482 AbstractCegarLoop]: Abstraction has 11620 states and 32784 transitions. [2021-07-13 19:08:45,053 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:08:45,053 INFO L276 IsEmpty]: Start isEmpty. Operand 11620 states and 32784 transitions. [2021-07-13 19:08:45,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-07-13 19:08:45,056 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:08:45,056 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:08:45,057 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-13 19:08:45,057 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 19:08:45,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:08:45,058 INFO L82 PathProgramCache]: Analyzing trace with hash -329467662, now seen corresponding path program 1 times [2021-07-13 19:08:45,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:08:45,060 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765060721] [2021-07-13 19:08:45,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:08:45,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:08:45,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:08:45,128 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:08:45,128 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765060721] [2021-07-13 19:08:45,128 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765060721] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-13 19:08:45,128 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-13 19:08:45,128 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-13 19:08:45,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638308996] [2021-07-13 19:08:45,129 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-13 19:08:45,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:08:45,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-13 19:08:45,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-13 19:08:45,130 INFO L87 Difference]: Start difference. First operand 11620 states and 32784 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:08:45,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:08:45,227 INFO L93 Difference]: Finished difference Result 11610 states and 32774 transitions. [2021-07-13 19:08:45,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-13 19:08:45,228 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2021-07-13 19:08:45,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:08:45,334 INFO L225 Difference]: With dead ends: 11610 [2021-07-13 19:08:45,334 INFO L226 Difference]: Without dead ends: 11610 [2021-07-13 19:08:45,363 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-13 19:08:45,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11610 states. [2021-07-13 19:08:45,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11610 to 11610. [2021-07-13 19:08:45,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11610 states, 11607 states have (on average 2.8236409063496164) internal successors, (32774), 11609 states have internal predecessors, (32774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:08:45,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11610 states to 11610 states and 32774 transitions. [2021-07-13 19:08:45,747 INFO L78 Accepts]: Start accepts. Automaton has 11610 states and 32774 transitions. Word has length 45 [2021-07-13 19:08:45,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:08:45,747 INFO L482 AbstractCegarLoop]: Abstraction has 11610 states and 32774 transitions. [2021-07-13 19:08:45,747 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:08:45,748 INFO L276 IsEmpty]: Start isEmpty. Operand 11610 states and 32774 transitions. [2021-07-13 19:08:45,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-07-13 19:08:45,748 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:08:45,749 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:08:45,749 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-13 19:08:45,749 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 19:08:45,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:08:45,749 INFO L82 PathProgramCache]: Analyzing trace with hash 953376496, now seen corresponding path program 1 times [2021-07-13 19:08:45,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:08:45,750 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202867093] [2021-07-13 19:08:45,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:08:45,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:08:45,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:08:45,811 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:08:45,811 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202867093] [2021-07-13 19:08:45,812 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202867093] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:08:45,812 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1923876177] [2021-07-13 19:08:45,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:08:45,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:08:45,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-13 19:08:45,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:08:46,062 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:08:46,062 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1923876177] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:08:46,062 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:08:46,063 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-07-13 19:08:46,063 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497254532] [2021-07-13 19:08:46,063 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-13 19:08:46,063 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:08:46,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-13 19:08:46,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-07-13 19:08:46,064 INFO L87 Difference]: Start difference. First operand 11610 states and 32774 transitions. Second operand has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:08:46,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:08:46,141 INFO L93 Difference]: Finished difference Result 11380 states and 32324 transitions. [2021-07-13 19:08:46,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 19:08:46,142 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2021-07-13 19:08:46,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:08:46,199 INFO L225 Difference]: With dead ends: 11380 [2021-07-13 19:08:46,200 INFO L226 Difference]: Without dead ends: 11380 [2021-07-13 19:08:46,200 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 25.7ms TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-07-13 19:08:46,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11380 states. [2021-07-13 19:08:46,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11380 to 11380. [2021-07-13 19:08:46,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11380 states, 11378 states have (on average 2.8409210757602392) internal successors, (32324), 11379 states have internal predecessors, (32324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:08:46,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11380 states to 11380 states and 32324 transitions. [2021-07-13 19:08:46,563 INFO L78 Accepts]: Start accepts. Automaton has 11380 states and 32324 transitions. Word has length 55 [2021-07-13 19:08:46,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:08:46,564 INFO L482 AbstractCegarLoop]: Abstraction has 11380 states and 32324 transitions. [2021-07-13 19:08:46,564 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:08:46,564 INFO L276 IsEmpty]: Start isEmpty. Operand 11380 states and 32324 transitions. [2021-07-13 19:08:46,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-07-13 19:08:46,565 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:08:46,565 INFO L508 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:08:46,784 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:08:46,784 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 19:08:46,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:08:46,785 INFO L82 PathProgramCache]: Analyzing trace with hash -2131429816, now seen corresponding path program 1 times [2021-07-13 19:08:46,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:08:46,785 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196457669] [2021-07-13 19:08:46,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:08:46,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-13 19:08:46,807 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-13 19:08:46,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-13 19:08:46,815 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-13 19:08:46,829 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-13 19:08:46,829 INFO L609 BasicCegarLoop]: Counterexample might be feasible [2021-07-13 19:08:46,830 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-07-13 19:08:46,830 WARN L243 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-07-13 19:08:46,830 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-07-13 19:08:46,840 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,840 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,844 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,844 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,845 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,845 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,845 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,845 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,845 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,845 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,845 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,845 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,846 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,846 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,846 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,846 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,846 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,846 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,846 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,846 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,846 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,847 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,847 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,847 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,847 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,847 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,847 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,847 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,848 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,848 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,848 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,848 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,848 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,848 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,848 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,848 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,848 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,848 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,848 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,848 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,849 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,849 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,849 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,849 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,849 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,849 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,849 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,849 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,849 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,849 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,849 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,849 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,849 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,850 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,850 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,850 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,850 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,850 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,850 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,850 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,850 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,850 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,853 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,853 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,853 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,853 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,853 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,853 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,853 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,853 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,854 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,854 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,854 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,854 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,854 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,854 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,854 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,854 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,854 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,854 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,855 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,855 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,855 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,855 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,855 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,855 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,856 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,856 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,856 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,856 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,856 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,856 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,856 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,856 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,856 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,856 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,856 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,856 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,856 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,856 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,857 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,857 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,857 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,857 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,857 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,857 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,857 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,857 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,857 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,857 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,858 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,858 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,858 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,858 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,858 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,858 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,858 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,860 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,860 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,860 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,860 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,860 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,860 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,860 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,861 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,861 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,862 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,862 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,862 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,862 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,862 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,862 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,862 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,862 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,862 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 19:08:46,866 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-13 19:08:46,867 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-07-13 19:08:46,867 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-13 19:08:46,867 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-13 19:08:46,867 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-13 19:08:46,867 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-13 19:08:46,867 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-13 19:08:46,867 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-13 19:08:46,867 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-13 19:08:46,867 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-13 19:08:46,872 INFO L110 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 150 places, 170 transitions, 370 flow [2021-07-13 19:08:54,005 INFO L132 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 304758 states, 304753 states have (on average 4.684068737633428) internal successors, (1427484), 304757 states have internal predecessors, (1427484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:08:54,544 INFO L276 IsEmpty]: Start isEmpty. Operand has 304758 states, 304753 states have (on average 4.684068737633428) internal successors, (1427484), 304757 states have internal predecessors, (1427484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:08:54,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-07-13 19:08:54,548 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:08:54,549 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:08:54,549 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 19:08:54,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:08:54,549 INFO L82 PathProgramCache]: Analyzing trace with hash 319689981, now seen corresponding path program 1 times [2021-07-13 19:08:54,549 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:08:54,549 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950152447] [2021-07-13 19:08:54,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:08:54,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:08:54,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:08:54,572 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:08:54,572 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950152447] [2021-07-13 19:08:54,572 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950152447] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-13 19:08:54,572 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-13 19:08:54,572 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-13 19:08:54,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976047064] [2021-07-13 19:08:54,573 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-13 19:08:54,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:08:54,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-13 19:08:54,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-13 19:08:55,091 INFO L87 Difference]: Start difference. First operand has 304758 states, 304753 states have (on average 4.684068737633428) internal successors, (1427484), 304757 states have internal predecessors, (1427484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:08:59,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:08:59,453 INFO L93 Difference]: Finished difference Result 292038 states and 1105642 transitions. [2021-07-13 19:08:59,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 19:08:59,454 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2021-07-13 19:08:59,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:09:01,870 INFO L225 Difference]: With dead ends: 292038 [2021-07-13 19:09:01,870 INFO L226 Difference]: Without dead ends: 266598 [2021-07-13 19:09:01,870 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-13 19:09:47,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266598 states. [2021-07-13 19:09:55,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266598 to 266598. [2021-07-13 19:09:55,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266598 states, 266593 states have (on average 3.7821923306313368) internal successors, (1008306), 266597 states have internal predecessors, (1008306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:09:58,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266598 states to 266598 states and 1008306 transitions. [2021-07-13 19:09:58,033 INFO L78 Accepts]: Start accepts. Automaton has 266598 states and 1008306 transitions. Word has length 45 [2021-07-13 19:09:58,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:09:58,033 INFO L482 AbstractCegarLoop]: Abstraction has 266598 states and 1008306 transitions. [2021-07-13 19:09:58,033 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:09:58,033 INFO L276 IsEmpty]: Start isEmpty. Operand 266598 states and 1008306 transitions. [2021-07-13 19:09:58,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-07-13 19:09:58,034 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:09:58,034 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:09:58,034 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-07-13 19:09:58,034 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 19:09:58,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:09:58,034 INFO L82 PathProgramCache]: Analyzing trace with hash 123176476, now seen corresponding path program 1 times [2021-07-13 19:09:58,035 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:09:58,035 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741617591] [2021-07-13 19:09:58,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:09:58,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:09:58,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:09:58,051 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:09:58,051 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741617591] [2021-07-13 19:09:58,051 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741617591] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-13 19:09:58,051 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-13 19:09:58,051 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-13 19:09:58,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279282608] [2021-07-13 19:09:58,051 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-13 19:09:58,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:09:58,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-13 19:09:58,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-13 19:09:58,052 INFO L87 Difference]: Start difference. First operand 266598 states and 1008306 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:10:01,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 19:10:01,266 INFO L93 Difference]: Finished difference Result 266588 states and 1008296 transitions. [2021-07-13 19:10:01,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-13 19:10:01,267 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2021-07-13 19:10:01,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 19:10:05,301 INFO L225 Difference]: With dead ends: 266588 [2021-07-13 19:10:05,316 INFO L226 Difference]: Without dead ends: 266588 [2021-07-13 19:10:05,317 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-13 19:10:53,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266588 states. [2021-07-13 19:11:01,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266588 to 266588. [2021-07-13 19:11:01,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266588 states, 266584 states have (on average 3.782282507577349) internal successors, (1008296), 266587 states have internal predecessors, (1008296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:11:04,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266588 states to 266588 states and 1008296 transitions. [2021-07-13 19:11:04,559 INFO L78 Accepts]: Start accepts. Automaton has 266588 states and 1008296 transitions. Word has length 45 [2021-07-13 19:11:04,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 19:11:04,559 INFO L482 AbstractCegarLoop]: Abstraction has 266588 states and 1008296 transitions. [2021-07-13 19:11:04,559 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 19:11:04,559 INFO L276 IsEmpty]: Start isEmpty. Operand 266588 states and 1008296 transitions. [2021-07-13 19:11:04,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-07-13 19:11:04,560 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 19:11:04,560 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 19:11:04,560 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-07-13 19:11:04,561 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 19:11:04,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 19:11:04,561 INFO L82 PathProgramCache]: Analyzing trace with hash -1773089218, now seen corresponding path program 1 times [2021-07-13 19:11:04,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 19:11:04,562 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247964403] [2021-07-13 19:11:04,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 19:11:04,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:11:04,632 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:11:04,632 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 19:11:04,633 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247964403] [2021-07-13 19:11:04,633 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247964403] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:11:04,633 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1856781285] [2021-07-13 19:11:04,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 19:11:05,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 19:11:05,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-13 19:11:05,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 19:11:05,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 19:11:05,219 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1856781285] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 19:11:05,219 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 19:11:05,219 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-07-13 19:11:05,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48755738] [2021-07-13 19:11:05,219 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-13 19:11:05,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 19:11:05,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-13 19:11:05,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-07-13 19:11:05,220 INFO L87 Difference]: Start difference. First operand 266588 states and 1008296 transitions. Second operand has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)