/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-09 13:59:28,306 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-09 13:59:28,310 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-09 13:59:28,348 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-09 13:59:28,348 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-09 13:59:28,360 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-09 13:59:28,362 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-09 13:59:28,365 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-09 13:59:28,368 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-09 13:59:28,371 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-09 13:59:28,372 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-09 13:59:28,374 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-09 13:59:28,374 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-09 13:59:28,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-09 13:59:28,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-09 13:59:28,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-09 13:59:28,382 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-09 13:59:28,383 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-09 13:59:28,385 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-09 13:59:28,392 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-09 13:59:28,395 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-09 13:59:28,396 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-09 13:59:28,397 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-09 13:59:28,397 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-09 13:59:28,403 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-09 13:59:28,403 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-09 13:59:28,403 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-09 13:59:28,406 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-09 13:59:28,407 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-09 13:59:28,408 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-09 13:59:28,408 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-09 13:59:28,409 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-09 13:59:28,409 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-09 13:59:28,410 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-09 13:59:28,411 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-09 13:59:28,411 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-09 13:59:28,412 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-09 13:59:28,412 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-09 13:59:28,412 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-09 13:59:28,413 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-09 13:59:28,415 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-09 13:59:28,416 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-09 13:59:28,451 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-09 13:59:28,452 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-09 13:59:28,453 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-09 13:59:28,453 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-09 13:59:28,453 INFO L138 SettingsManager]: * Use SBE=true [2020-10-09 13:59:28,454 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-09 13:59:28,454 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-09 13:59:28,454 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-09 13:59:28,454 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-09 13:59:28,455 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-09 13:59:28,455 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-09 13:59:28,455 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-09 13:59:28,455 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-09 13:59:28,455 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-09 13:59:28,456 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-09 13:59:28,456 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-09 13:59:28,456 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-09 13:59:28,456 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-09 13:59:28,456 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-09 13:59:28,457 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-09 13:59:28,457 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-09 13:59:28,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-09 13:59:28,457 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-09 13:59:28,458 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-09 13:59:28,458 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-09 13:59:28,458 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-09 13:59:28,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-09 13:59:28,458 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-09 13:59:28,458 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-09 13:59:28,459 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-09 13:59:28,783 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-09 13:59:28,802 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-09 13:59:28,806 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-09 13:59:28,808 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-09 13:59:28,810 INFO L275 PluginConnector]: CDTParser initialized [2020-10-09 13:59:28,811 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-2.i [2020-10-09 13:59:28,870 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e96c0505f/6be0849484eb47b89e713a7cd8f6c633/FLAG1f91ab22a [2020-10-09 13:59:29,409 INFO L306 CDTParser]: Found 1 translation units. [2020-10-09 13:59:29,410 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-2.i [2020-10-09 13:59:29,423 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e96c0505f/6be0849484eb47b89e713a7cd8f6c633/FLAG1f91ab22a [2020-10-09 13:59:29,724 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e96c0505f/6be0849484eb47b89e713a7cd8f6c633 [2020-10-09 13:59:29,735 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-09 13:59:29,738 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-09 13:59:29,739 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-09 13:59:29,739 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-09 13:59:29,743 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-09 13:59:29,744 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.10 01:59:29" (1/1) ... [2020-10-09 13:59:29,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a8a6c20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 01:59:29, skipping insertion in model container [2020-10-09 13:59:29,748 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.10 01:59:29" (1/1) ... [2020-10-09 13:59:29,756 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-09 13:59:29,792 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-09 13:59:30,321 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-09 13:59:30,344 INFO L203 MainTranslator]: Completed pre-run [2020-10-09 13:59:30,389 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-09 13:59:30,465 INFO L208 MainTranslator]: Completed translation [2020-10-09 13:59:30,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 01:59:30 WrapperNode [2020-10-09 13:59:30,467 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-09 13:59:30,468 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-09 13:59:30,468 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-09 13:59:30,468 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-09 13:59:30,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 01:59:30" (1/1) ... [2020-10-09 13:59:30,520 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 01:59:30" (1/1) ... [2020-10-09 13:59:30,552 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-09 13:59:30,553 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-09 13:59:30,553 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-09 13:59:30,553 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-09 13:59:30,562 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 01:59:30" (1/1) ... [2020-10-09 13:59:30,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 01:59:30" (1/1) ... [2020-10-09 13:59:30,566 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 01:59:30" (1/1) ... [2020-10-09 13:59:30,566 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 01:59:30" (1/1) ... [2020-10-09 13:59:30,572 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 01:59:30" (1/1) ... [2020-10-09 13:59:30,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 01:59:30" (1/1) ... [2020-10-09 13:59:30,579 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 01:59:30" (1/1) ... [2020-10-09 13:59:30,582 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-09 13:59:30,583 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-09 13:59:30,583 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-09 13:59:30,583 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-09 13:59:30,584 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 01:59:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-09 13:59:30,641 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2020-10-09 13:59:30,642 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2020-10-09 13:59:30,642 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-10-09 13:59:30,642 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-10-09 13:59:30,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-09 13:59:30,642 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-09 13:59:30,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-09 13:59:30,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-09 13:59:30,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-09 13:59:30,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-09 13:59:30,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-09 13:59:30,645 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-09 13:59:31,014 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-09 13:59:31,015 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-10-09 13:59:31,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.10 01:59:31 BoogieIcfgContainer [2020-10-09 13:59:31,017 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-09 13:59:31,018 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-09 13:59:31,018 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-09 13:59:31,021 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-09 13:59:31,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.10 01:59:29" (1/3) ... [2020-10-09 13:59:31,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ee5453d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.10 01:59:31, skipping insertion in model container [2020-10-09 13:59:31,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 01:59:30" (2/3) ... [2020-10-09 13:59:31,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ee5453d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.10 01:59:31, skipping insertion in model container [2020-10-09 13:59:31,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.10 01:59:31" (3/3) ... [2020-10-09 13:59:31,026 INFO L111 eAbstractionObserver]: Analyzing ICFG nondet-loop-bound-variant-2.i [2020-10-09 13:59:31,038 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-09 13:59:31,038 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-09 13:59:31,051 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-09 13:59:31,054 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-09 13:59:31,088 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:31,089 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:31,089 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:31,089 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:31,090 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:31,090 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:31,090 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:31,090 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:31,091 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:31,091 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:31,091 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:31,092 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:31,092 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:31,092 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:31,092 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:31,093 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:31,093 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:31,093 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:31,094 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:31,094 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:31,094 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:31,095 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:31,095 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:31,096 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:31,096 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:31,096 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:31,097 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:31,097 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:31,097 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:31,097 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:31,098 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:31,102 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:31,102 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:31,102 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:31,102 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:31,103 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:31,103 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:31,103 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:31,103 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:31,103 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:31,104 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:31,111 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:31,111 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:31,111 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:31,112 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:31,112 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:31,112 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:31,131 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-09 13:59:31,153 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-09 13:59:31,153 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-09 13:59:31,153 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-09 13:59:31,153 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-09 13:59:31,154 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-09 13:59:31,154 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-09 13:59:31,154 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-09 13:59:31,154 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-09 13:59:31,168 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-09 13:59:31,171 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 76 transitions, 162 flow [2020-10-09 13:59:31,174 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 76 transitions, 162 flow [2020-10-09 13:59:31,176 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 77 places, 76 transitions, 162 flow [2020-10-09 13:59:31,226 INFO L129 PetriNetUnfolder]: 6/86 cut-off events. [2020-10-09 13:59:31,226 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-09 13:59:31,233 INFO L80 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 86 events. 6/86 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 116 event pairs, 0 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 60. Up to 4 conditions per place. [2020-10-09 13:59:31,237 INFO L117 LiptonReduction]: Number of co-enabled transitions 1242 [2020-10-09 13:59:32,939 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 59 [2020-10-09 13:59:33,511 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 46 [2020-10-09 13:59:33,973 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2020-10-09 13:59:34,225 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-10-09 13:59:34,229 INFO L132 LiptonReduction]: Checked pairs total: 1201 [2020-10-09 13:59:34,230 INFO L134 LiptonReduction]: Total number of compositions: 82 [2020-10-09 13:59:34,237 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 18 places, 12 transitions, 34 flow [2020-10-09 13:59:34,248 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 44 states. [2020-10-09 13:59:34,250 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2020-10-09 13:59:34,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-09 13:59:34,257 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 13:59:34,258 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-09 13:59:34,258 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-09 13:59:34,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 13:59:34,264 INFO L82 PathProgramCache]: Analyzing trace with hash 313215, now seen corresponding path program 1 times [2020-10-09 13:59:34,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 13:59:34,281 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119876793] [2020-10-09 13:59:34,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 13:59:34,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 13:59:34,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 13:59:34,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119876793] [2020-10-09 13:59:34,491 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 13:59:34,491 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-09 13:59:34,492 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587911899] [2020-10-09 13:59:34,497 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-09 13:59:34,497 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 13:59:34,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-09 13:59:34,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 13:59:34,515 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 3 states. [2020-10-09 13:59:34,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 13:59:34,555 INFO L93 Difference]: Finished difference Result 35 states and 59 transitions. [2020-10-09 13:59:34,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-09 13:59:34,557 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-09 13:59:34,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 13:59:34,568 INFO L225 Difference]: With dead ends: 35 [2020-10-09 13:59:34,568 INFO L226 Difference]: Without dead ends: 31 [2020-10-09 13:59:34,570 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 13:59:34,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-10-09 13:59:34,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-10-09 13:59:34,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-10-09 13:59:34,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 51 transitions. [2020-10-09 13:59:34,606 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 51 transitions. Word has length 3 [2020-10-09 13:59:34,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 13:59:34,606 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 51 transitions. [2020-10-09 13:59:34,607 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-09 13:59:34,607 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2020-10-09 13:59:34,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-09 13:59:34,608 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 13:59:34,608 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-09 13:59:34,608 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-09 13:59:34,609 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-09 13:59:34,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 13:59:34,609 INFO L82 PathProgramCache]: Analyzing trace with hash 1465583995, now seen corresponding path program 1 times [2020-10-09 13:59:34,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 13:59:34,610 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106273731] [2020-10-09 13:59:34,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 13:59:34,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 13:59:34,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 13:59:34,787 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106273731] [2020-10-09 13:59:34,787 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 13:59:34,787 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-09 13:59:34,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714908728] [2020-10-09 13:59:34,789 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-09 13:59:34,790 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 13:59:34,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-09 13:59:34,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-09 13:59:34,790 INFO L87 Difference]: Start difference. First operand 31 states and 51 transitions. Second operand 4 states. [2020-10-09 13:59:34,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 13:59:34,813 INFO L93 Difference]: Finished difference Result 26 states and 42 transitions. [2020-10-09 13:59:34,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-09 13:59:34,814 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-10-09 13:59:34,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 13:59:34,815 INFO L225 Difference]: With dead ends: 26 [2020-10-09 13:59:34,815 INFO L226 Difference]: Without dead ends: 24 [2020-10-09 13:59:34,816 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-09 13:59:34,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-10-09 13:59:34,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-10-09 13:59:34,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-10-09 13:59:34,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 39 transitions. [2020-10-09 13:59:34,821 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 39 transitions. Word has length 7 [2020-10-09 13:59:34,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 13:59:34,822 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 39 transitions. [2020-10-09 13:59:34,822 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-09 13:59:34,822 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 39 transitions. [2020-10-09 13:59:34,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-09 13:59:34,823 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 13:59:34,823 INFO L421 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2020-10-09 13:59:34,823 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-09 13:59:34,823 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-09 13:59:34,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 13:59:34,824 INFO L82 PathProgramCache]: Analyzing trace with hash -1811562961, now seen corresponding path program 1 times [2020-10-09 13:59:34,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 13:59:34,824 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974996353] [2020-10-09 13:59:34,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 13:59:34,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-09 13:59:34,851 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-09 13:59:34,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-09 13:59:34,871 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-09 13:59:34,896 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-09 13:59:34,897 INFO L519 BasicCegarLoop]: Counterexample might be feasible [2020-10-09 13:59:34,897 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-09 13:59:34,897 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-09 13:59:34,899 WARN L371 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-09 13:59:34,899 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-10-09 13:59:34,911 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,911 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,911 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,911 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,911 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,912 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,912 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,912 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,912 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,912 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,912 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,913 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,913 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,913 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,913 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,913 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,914 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,914 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,914 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,914 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,914 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,915 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,915 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,915 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,915 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,915 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,916 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,916 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,916 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,916 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,916 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,917 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,917 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,917 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,917 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,917 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,917 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,918 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,918 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,918 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,918 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,919 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,919 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,919 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,919 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,920 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,920 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,920 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,920 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,920 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,921 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,921 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,921 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,921 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,922 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,922 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,922 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,922 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,922 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,922 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,923 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,923 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,923 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,924 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,924 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,924 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,924 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,924 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,925 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,925 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,925 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,925 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,927 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,928 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,928 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,928 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,928 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,928 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,929 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,929 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,929 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,929 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,933 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,934 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,934 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,934 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,934 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,935 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,936 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,936 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,936 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,937 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,937 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,937 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:34,939 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-09 13:59:34,940 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-09 13:59:34,940 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-09 13:59:34,940 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-09 13:59:34,940 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-09 13:59:34,940 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-09 13:59:34,940 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-09 13:59:34,941 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-09 13:59:34,941 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-09 13:59:34,943 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-09 13:59:34,944 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 107 places, 105 transitions, 234 flow [2020-10-09 13:59:34,944 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 107 places, 105 transitions, 234 flow [2020-10-09 13:59:34,944 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 107 places, 105 transitions, 234 flow [2020-10-09 13:59:34,973 INFO L129 PetriNetUnfolder]: 9/120 cut-off events. [2020-10-09 13:59:34,973 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-09 13:59:34,975 INFO L80 FinitePrefix]: Finished finitePrefix Result has 134 conditions, 120 events. 9/120 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 226 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 129. Up to 6 conditions per place. [2020-10-09 13:59:34,979 INFO L117 LiptonReduction]: Number of co-enabled transitions 2844 [2020-10-09 13:59:36,906 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 61 [2020-10-09 13:59:37,016 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 57 [2020-10-09 13:59:37,592 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2020-10-09 13:59:37,704 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-09 13:59:37,745 INFO L132 LiptonReduction]: Checked pairs total: 4121 [2020-10-09 13:59:37,746 INFO L134 LiptonReduction]: Total number of compositions: 100 [2020-10-09 13:59:37,746 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 36 places, 28 transitions, 80 flow [2020-10-09 13:59:37,779 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 632 states. [2020-10-09 13:59:37,779 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states. [2020-10-09 13:59:37,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-09 13:59:37,780 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 13:59:37,780 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-09 13:59:37,780 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 13:59:37,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 13:59:37,781 INFO L82 PathProgramCache]: Analyzing trace with hash 544994, now seen corresponding path program 1 times [2020-10-09 13:59:37,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 13:59:37,781 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763150804] [2020-10-09 13:59:37,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 13:59:37,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 13:59:37,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 13:59:37,820 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763150804] [2020-10-09 13:59:37,820 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 13:59:37,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-09 13:59:37,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946187737] [2020-10-09 13:59:37,821 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-09 13:59:37,821 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 13:59:37,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-09 13:59:37,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 13:59:37,822 INFO L87 Difference]: Start difference. First operand 632 states. Second operand 3 states. [2020-10-09 13:59:37,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 13:59:37,886 INFO L93 Difference]: Finished difference Result 748 states and 2357 transitions. [2020-10-09 13:59:37,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-09 13:59:37,887 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-09 13:59:37,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 13:59:37,901 INFO L225 Difference]: With dead ends: 748 [2020-10-09 13:59:37,901 INFO L226 Difference]: Without dead ends: 691 [2020-10-09 13:59:37,902 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 13:59:37,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2020-10-09 13:59:37,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 612. [2020-10-09 13:59:37,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 612 states. [2020-10-09 13:59:37,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 1968 transitions. [2020-10-09 13:59:37,989 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 1968 transitions. Word has length 3 [2020-10-09 13:59:37,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 13:59:37,989 INFO L481 AbstractCegarLoop]: Abstraction has 612 states and 1968 transitions. [2020-10-09 13:59:37,989 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-09 13:59:37,990 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 1968 transitions. [2020-10-09 13:59:37,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-09 13:59:37,990 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 13:59:37,991 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 13:59:37,991 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-09 13:59:37,991 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 13:59:37,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 13:59:37,991 INFO L82 PathProgramCache]: Analyzing trace with hash 625478199, now seen corresponding path program 1 times [2020-10-09 13:59:37,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 13:59:37,992 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124963702] [2020-10-09 13:59:37,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 13:59:38,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 13:59:38,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 13:59:38,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124963702] [2020-10-09 13:59:38,052 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 13:59:38,052 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-09 13:59:38,052 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5720052] [2020-10-09 13:59:38,053 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 13:59:38,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 13:59:38,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 13:59:38,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-09 13:59:38,053 INFO L87 Difference]: Start difference. First operand 612 states and 1968 transitions. Second operand 5 states. [2020-10-09 13:59:38,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 13:59:38,191 INFO L93 Difference]: Finished difference Result 900 states and 2708 transitions. [2020-10-09 13:59:38,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-09 13:59:38,191 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-10-09 13:59:38,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 13:59:38,208 INFO L225 Difference]: With dead ends: 900 [2020-10-09 13:59:38,209 INFO L226 Difference]: Without dead ends: 880 [2020-10-09 13:59:38,209 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-09 13:59:38,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2020-10-09 13:59:38,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 563. [2020-10-09 13:59:38,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 563 states. [2020-10-09 13:59:38,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 1857 transitions. [2020-10-09 13:59:38,240 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 1857 transitions. Word has length 10 [2020-10-09 13:59:38,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 13:59:38,241 INFO L481 AbstractCegarLoop]: Abstraction has 563 states and 1857 transitions. [2020-10-09 13:59:38,241 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 13:59:38,241 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 1857 transitions. [2020-10-09 13:59:38,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-09 13:59:38,243 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 13:59:38,244 INFO L421 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 13:59:38,244 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-09 13:59:38,244 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 13:59:38,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 13:59:38,244 INFO L82 PathProgramCache]: Analyzing trace with hash -696224660, now seen corresponding path program 1 times [2020-10-09 13:59:38,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 13:59:38,245 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814345632] [2020-10-09 13:59:38,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 13:59:38,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-09 13:59:38,263 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-09 13:59:38,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-09 13:59:38,277 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-09 13:59:38,285 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-09 13:59:38,286 INFO L519 BasicCegarLoop]: Counterexample might be feasible [2020-10-09 13:59:38,286 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-09 13:59:38,286 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-09 13:59:38,287 WARN L371 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-09 13:59:38,288 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-10-09 13:59:38,299 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,299 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,299 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,300 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,300 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,300 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,300 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,300 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,300 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,301 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,301 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,301 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,301 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,301 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,301 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,301 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,302 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,302 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,302 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,302 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,302 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,303 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,303 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,303 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,303 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,303 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,303 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,303 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,304 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,304 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,304 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,304 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,304 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,304 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,304 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,305 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,305 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,305 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,305 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,305 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,306 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,306 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,306 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,306 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,306 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,306 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,307 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,307 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,307 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,307 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,307 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,307 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,308 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,308 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,308 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,308 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,308 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,308 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,309 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,309 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,309 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,309 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,309 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,309 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,310 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,310 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,310 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,310 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,310 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,310 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,310 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,311 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,311 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,311 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,311 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,311 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,312 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,312 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,312 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,312 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,312 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,312 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,313 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,313 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,313 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,313 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,313 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,313 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,314 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,314 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,314 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,314 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,314 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,315 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,315 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,315 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,315 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,315 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,315 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,316 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,316 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,316 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,316 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,317 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,318 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,318 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,318 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,318 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,318 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,318 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,318 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,319 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,319 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,322 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,323 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,323 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,323 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,323 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,323 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,323 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,324 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,324 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,324 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,325 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,325 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,325 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,325 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,326 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,326 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,328 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,328 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,328 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,328 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,329 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,329 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,330 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,330 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,330 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,330 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,330 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,330 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:38,331 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-09 13:59:38,332 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-09 13:59:38,332 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-09 13:59:38,332 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-09 13:59:38,332 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-09 13:59:38,332 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-09 13:59:38,332 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-09 13:59:38,332 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-09 13:59:38,332 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-09 13:59:38,334 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-09 13:59:38,334 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 137 places, 134 transitions, 310 flow [2020-10-09 13:59:38,334 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 137 places, 134 transitions, 310 flow [2020-10-09 13:59:38,335 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 137 places, 134 transitions, 310 flow [2020-10-09 13:59:38,375 INFO L129 PetriNetUnfolder]: 12/154 cut-off events. [2020-10-09 13:59:38,375 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-09 13:59:38,380 INFO L80 FinitePrefix]: Finished finitePrefix Result has 175 conditions, 154 events. 12/154 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 326 event pairs, 0 based on Foata normal form. 0/137 useless extension candidates. Maximal degree in co-relation 168. Up to 8 conditions per place. [2020-10-09 13:59:38,391 INFO L117 LiptonReduction]: Number of co-enabled transitions 5130 [2020-10-09 13:59:40,954 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 52 [2020-10-09 13:59:41,492 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2020-10-09 13:59:41,847 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2020-10-09 13:59:41,963 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-09 13:59:41,974 INFO L132 LiptonReduction]: Checked pairs total: 8721 [2020-10-09 13:59:41,974 INFO L134 LiptonReduction]: Total number of compositions: 128 [2020-10-09 13:59:41,975 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 49 places, 38 transitions, 118 flow [2020-10-09 13:59:42,221 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 3782 states. [2020-10-09 13:59:42,221 INFO L276 IsEmpty]: Start isEmpty. Operand 3782 states. [2020-10-09 13:59:42,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-09 13:59:42,222 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 13:59:42,222 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-09 13:59:42,222 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 13:59:42,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 13:59:42,223 INFO L82 PathProgramCache]: Analyzing trace with hash 833041, now seen corresponding path program 1 times [2020-10-09 13:59:42,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 13:59:42,223 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384254603] [2020-10-09 13:59:42,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 13:59:42,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 13:59:42,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 13:59:42,245 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384254603] [2020-10-09 13:59:42,245 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 13:59:42,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-09 13:59:42,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843640010] [2020-10-09 13:59:42,246 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-09 13:59:42,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 13:59:42,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-09 13:59:42,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 13:59:42,247 INFO L87 Difference]: Start difference. First operand 3782 states. Second operand 3 states. [2020-10-09 13:59:42,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 13:59:42,362 INFO L93 Difference]: Finished difference Result 4669 states and 19397 transitions. [2020-10-09 13:59:42,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-09 13:59:42,363 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-09 13:59:42,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 13:59:42,407 INFO L225 Difference]: With dead ends: 4669 [2020-10-09 13:59:42,407 INFO L226 Difference]: Without dead ends: 4342 [2020-10-09 13:59:42,407 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 13:59:42,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4342 states. [2020-10-09 13:59:42,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4342 to 3858. [2020-10-09 13:59:42,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3858 states. [2020-10-09 13:59:42,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3858 states to 3858 states and 16290 transitions. [2020-10-09 13:59:42,650 INFO L78 Accepts]: Start accepts. Automaton has 3858 states and 16290 transitions. Word has length 3 [2020-10-09 13:59:42,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 13:59:42,650 INFO L481 AbstractCegarLoop]: Abstraction has 3858 states and 16290 transitions. [2020-10-09 13:59:42,650 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-09 13:59:42,651 INFO L276 IsEmpty]: Start isEmpty. Operand 3858 states and 16290 transitions. [2020-10-09 13:59:42,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-09 13:59:42,652 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 13:59:42,652 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 13:59:42,652 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-09 13:59:42,652 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 13:59:42,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 13:59:42,653 INFO L82 PathProgramCache]: Analyzing trace with hash -642397451, now seen corresponding path program 1 times [2020-10-09 13:59:42,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 13:59:42,653 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359593858] [2020-10-09 13:59:42,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 13:59:42,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 13:59:42,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 13:59:42,736 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359593858] [2020-10-09 13:59:42,736 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 13:59:42,736 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-09 13:59:42,736 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142365297] [2020-10-09 13:59:42,736 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 13:59:42,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 13:59:42,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 13:59:42,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-09 13:59:42,737 INFO L87 Difference]: Start difference. First operand 3858 states and 16290 transitions. Second operand 5 states. [2020-10-09 13:59:42,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 13:59:42,924 INFO L93 Difference]: Finished difference Result 6408 states and 25485 transitions. [2020-10-09 13:59:42,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-09 13:59:42,925 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-10-09 13:59:42,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 13:59:43,004 INFO L225 Difference]: With dead ends: 6408 [2020-10-09 13:59:43,004 INFO L226 Difference]: Without dead ends: 6352 [2020-10-09 13:59:43,005 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-09 13:59:43,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6352 states. [2020-10-09 13:59:43,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6352 to 3890. [2020-10-09 13:59:43,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3890 states. [2020-10-09 13:59:43,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3890 states to 3890 states and 16721 transitions. [2020-10-09 13:59:43,197 INFO L78 Accepts]: Start accepts. Automaton has 3890 states and 16721 transitions. Word has length 10 [2020-10-09 13:59:43,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 13:59:43,198 INFO L481 AbstractCegarLoop]: Abstraction has 3890 states and 16721 transitions. [2020-10-09 13:59:43,198 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 13:59:43,198 INFO L276 IsEmpty]: Start isEmpty. Operand 3890 states and 16721 transitions. [2020-10-09 13:59:43,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-09 13:59:43,204 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 13:59:43,204 INFO L421 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 13:59:43,204 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-09 13:59:43,205 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 13:59:43,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 13:59:43,205 INFO L82 PathProgramCache]: Analyzing trace with hash -834312959, now seen corresponding path program 1 times [2020-10-09 13:59:43,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 13:59:43,206 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680181807] [2020-10-09 13:59:43,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 13:59:43,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 13:59:43,279 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-09 13:59:43,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680181807] [2020-10-09 13:59:43,282 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 13:59:43,282 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-09 13:59:43,283 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682976243] [2020-10-09 13:59:43,283 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 13:59:43,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 13:59:43,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 13:59:43,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-09 13:59:43,284 INFO L87 Difference]: Start difference. First operand 3890 states and 16721 transitions. Second operand 5 states. [2020-10-09 13:59:43,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 13:59:43,455 INFO L93 Difference]: Finished difference Result 6754 states and 26605 transitions. [2020-10-09 13:59:43,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-09 13:59:43,456 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-09 13:59:43,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 13:59:43,486 INFO L225 Difference]: With dead ends: 6754 [2020-10-09 13:59:43,486 INFO L226 Difference]: Without dead ends: 6698 [2020-10-09 13:59:43,490 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-09 13:59:43,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6698 states. [2020-10-09 13:59:43,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6698 to 3876. [2020-10-09 13:59:43,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3876 states. [2020-10-09 13:59:43,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3876 states to 3876 states and 16342 transitions. [2020-10-09 13:59:43,785 INFO L78 Accepts]: Start accepts. Automaton has 3876 states and 16342 transitions. Word has length 14 [2020-10-09 13:59:43,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 13:59:43,785 INFO L481 AbstractCegarLoop]: Abstraction has 3876 states and 16342 transitions. [2020-10-09 13:59:43,786 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 13:59:43,786 INFO L276 IsEmpty]: Start isEmpty. Operand 3876 states and 16342 transitions. [2020-10-09 13:59:43,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-09 13:59:43,787 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 13:59:43,787 INFO L421 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 13:59:43,787 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-09 13:59:43,787 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 13:59:43,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 13:59:43,787 INFO L82 PathProgramCache]: Analyzing trace with hash -1249108271, now seen corresponding path program 1 times [2020-10-09 13:59:43,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 13:59:43,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734207969] [2020-10-09 13:59:43,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 13:59:43,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 13:59:43,816 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 13:59:43,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734207969] [2020-10-09 13:59:43,817 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 13:59:43,817 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-09 13:59:43,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404477926] [2020-10-09 13:59:43,817 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-09 13:59:43,818 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 13:59:43,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-09 13:59:43,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 13:59:43,818 INFO L87 Difference]: Start difference. First operand 3876 states and 16342 transitions. Second operand 3 states. [2020-10-09 13:59:43,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 13:59:43,849 INFO L93 Difference]: Finished difference Result 1628 states and 4901 transitions. [2020-10-09 13:59:43,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-09 13:59:43,849 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-09 13:59:43,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 13:59:43,854 INFO L225 Difference]: With dead ends: 1628 [2020-10-09 13:59:43,855 INFO L226 Difference]: Without dead ends: 1628 [2020-10-09 13:59:43,855 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 13:59:43,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1628 states. [2020-10-09 13:59:43,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1628 to 1610. [2020-10-09 13:59:43,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1610 states. [2020-10-09 13:59:43,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1610 states to 1610 states and 4847 transitions. [2020-10-09 13:59:43,899 INFO L78 Accepts]: Start accepts. Automaton has 1610 states and 4847 transitions. Word has length 17 [2020-10-09 13:59:43,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 13:59:43,900 INFO L481 AbstractCegarLoop]: Abstraction has 1610 states and 4847 transitions. [2020-10-09 13:59:43,900 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-09 13:59:43,901 INFO L276 IsEmpty]: Start isEmpty. Operand 1610 states and 4847 transitions. [2020-10-09 13:59:43,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-09 13:59:43,902 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 13:59:43,902 INFO L421 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 13:59:43,902 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-09 13:59:43,902 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 13:59:43,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 13:59:43,903 INFO L82 PathProgramCache]: Analyzing trace with hash 229330979, now seen corresponding path program 1 times [2020-10-09 13:59:43,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 13:59:43,904 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757733300] [2020-10-09 13:59:43,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 13:59:43,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 13:59:43,980 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 13:59:43,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757733300] [2020-10-09 13:59:43,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [676034186] [2020-10-09 13:59:43,981 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 [2020-10-09 13:59:44,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 13:59:44,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-09 13:59:44,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 13:59:44,144 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 13:59:44,144 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-09 13:59:44,145 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-09 13:59:44,145 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254589788] [2020-10-09 13:59:44,145 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-09 13:59:44,145 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 13:59:44,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-09 13:59:44,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-10-09 13:59:44,146 INFO L87 Difference]: Start difference. First operand 1610 states and 4847 transitions. Second operand 12 states. [2020-10-09 13:59:44,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 13:59:44,570 INFO L93 Difference]: Finished difference Result 2817 states and 8005 transitions. [2020-10-09 13:59:44,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-09 13:59:44,570 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 18 [2020-10-09 13:59:44,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 13:59:44,578 INFO L225 Difference]: With dead ends: 2817 [2020-10-09 13:59:44,579 INFO L226 Difference]: Without dead ends: 2796 [2020-10-09 13:59:44,579 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=260, Unknown=0, NotChecked=0, Total=380 [2020-10-09 13:59:44,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2796 states. [2020-10-09 13:59:44,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2796 to 1515. [2020-10-09 13:59:44,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1515 states. [2020-10-09 13:59:44,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 4566 transitions. [2020-10-09 13:59:44,634 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 4566 transitions. Word has length 18 [2020-10-09 13:59:44,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 13:59:44,635 INFO L481 AbstractCegarLoop]: Abstraction has 1515 states and 4566 transitions. [2020-10-09 13:59:44,635 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-09 13:59:44,635 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 4566 transitions. [2020-10-09 13:59:44,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-09 13:59:44,636 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 13:59:44,636 INFO L421 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 13:59:44,850 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-10-09 13:59:44,851 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 13:59:44,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 13:59:44,851 INFO L82 PathProgramCache]: Analyzing trace with hash -1406801102, now seen corresponding path program 1 times [2020-10-09 13:59:44,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 13:59:44,851 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079175774] [2020-10-09 13:59:44,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 13:59:44,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 13:59:44,940 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-09 13:59:44,941 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079175774] [2020-10-09 13:59:44,941 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 13:59:44,941 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-09 13:59:44,941 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284340383] [2020-10-09 13:59:44,941 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-09 13:59:44,942 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 13:59:44,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-09 13:59:44,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-09 13:59:44,942 INFO L87 Difference]: Start difference. First operand 1515 states and 4566 transitions. Second operand 7 states. [2020-10-09 13:59:45,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 13:59:45,236 INFO L93 Difference]: Finished difference Result 2731 states and 7725 transitions. [2020-10-09 13:59:45,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-09 13:59:45,237 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-10-09 13:59:45,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 13:59:45,246 INFO L225 Difference]: With dead ends: 2731 [2020-10-09 13:59:45,246 INFO L226 Difference]: Without dead ends: 2698 [2020-10-09 13:59:45,247 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-10-09 13:59:45,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2698 states. [2020-10-09 13:59:45,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2698 to 1205. [2020-10-09 13:59:45,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1205 states. [2020-10-09 13:59:45,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 1205 states and 3518 transitions. [2020-10-09 13:59:45,295 INFO L78 Accepts]: Start accepts. Automaton has 1205 states and 3518 transitions. Word has length 18 [2020-10-09 13:59:45,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 13:59:45,296 INFO L481 AbstractCegarLoop]: Abstraction has 1205 states and 3518 transitions. [2020-10-09 13:59:45,296 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-09 13:59:45,296 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 3518 transitions. [2020-10-09 13:59:45,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-09 13:59:45,297 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 13:59:45,298 INFO L421 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 13:59:45,298 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-09 13:59:45,298 INFO L429 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 13:59:45,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 13:59:45,298 INFO L82 PathProgramCache]: Analyzing trace with hash 1086137922, now seen corresponding path program 1 times [2020-10-09 13:59:45,299 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 13:59:45,299 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114445417] [2020-10-09 13:59:45,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 13:59:45,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 13:59:45,368 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-09 13:59:45,368 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114445417] [2020-10-09 13:59:45,368 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 13:59:45,369 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-09 13:59:45,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196282176] [2020-10-09 13:59:45,369 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 13:59:45,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 13:59:45,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 13:59:45,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-09 13:59:45,370 INFO L87 Difference]: Start difference. First operand 1205 states and 3518 transitions. Second operand 5 states. [2020-10-09 13:59:45,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 13:59:45,482 INFO L93 Difference]: Finished difference Result 2245 states and 6476 transitions. [2020-10-09 13:59:45,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-09 13:59:45,482 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-10-09 13:59:45,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 13:59:45,489 INFO L225 Difference]: With dead ends: 2245 [2020-10-09 13:59:45,489 INFO L226 Difference]: Without dead ends: 2233 [2020-10-09 13:59:45,489 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-09 13:59:45,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2233 states. [2020-10-09 13:59:45,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2233 to 1434. [2020-10-09 13:59:45,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1434 states. [2020-10-09 13:59:45,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1434 states to 1434 states and 4291 transitions. [2020-10-09 13:59:45,533 INFO L78 Accepts]: Start accepts. Automaton has 1434 states and 4291 transitions. Word has length 18 [2020-10-09 13:59:45,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 13:59:45,534 INFO L481 AbstractCegarLoop]: Abstraction has 1434 states and 4291 transitions. [2020-10-09 13:59:45,534 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 13:59:45,534 INFO L276 IsEmpty]: Start isEmpty. Operand 1434 states and 4291 transitions. [2020-10-09 13:59:45,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-09 13:59:45,609 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 13:59:45,609 INFO L421 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 13:59:45,609 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-09 13:59:45,609 INFO L429 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 13:59:45,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 13:59:45,609 INFO L82 PathProgramCache]: Analyzing trace with hash 1078743820, now seen corresponding path program 1 times [2020-10-09 13:59:45,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 13:59:45,610 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520848749] [2020-10-09 13:59:45,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 13:59:45,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-09 13:59:45,631 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-09 13:59:45,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-09 13:59:45,647 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-09 13:59:45,665 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-09 13:59:45,666 INFO L519 BasicCegarLoop]: Counterexample might be feasible [2020-10-09 13:59:45,666 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-09 13:59:45,666 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-09 13:59:45,666 WARN L371 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-09 13:59:45,667 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-10-09 13:59:45,686 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,687 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,687 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,687 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,687 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,687 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,687 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,688 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,688 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,688 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,688 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,688 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,688 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,688 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,688 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,689 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,689 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,689 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,689 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,689 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,689 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,690 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,690 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,690 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,690 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,690 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,690 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,690 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,691 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,691 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,691 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,691 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,691 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,691 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,691 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,691 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,692 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,692 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,692 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,692 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,692 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,692 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,693 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,693 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,693 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,693 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,693 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,693 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,693 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,695 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,695 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,695 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,696 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,696 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,696 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,696 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,696 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,696 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,696 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,697 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,697 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,697 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,697 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,697 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,697 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,698 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,698 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,698 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,698 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,698 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,698 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,698 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,698 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,699 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,699 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,699 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,699 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,699 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,699 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,700 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,700 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,700 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,700 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,700 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,700 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,701 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,701 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,701 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,701 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,701 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,701 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,701 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,702 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,702 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,703 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,703 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,703 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,703 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,703 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,703 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,703 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,704 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,704 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,704 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,705 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,705 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,705 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,705 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,705 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,706 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,713 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,713 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,713 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,714 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,716 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,716 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,716 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,716 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,716 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,717 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,717 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,717 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,717 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,717 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,718 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,718 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,718 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,718 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,718 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,718 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,718 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,719 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,719 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,719 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,721 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,722 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,722 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,722 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,722 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,722 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,722 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,722 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,723 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,723 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,725 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,725 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,725 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,725 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,726 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,726 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,726 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,726 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,726 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,726 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,728 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,728 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,728 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,728 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,728 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,728 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,729 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,729 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,729 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,729 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,730 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,731 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,731 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,731 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,731 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,731 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,732 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,732 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,733 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,733 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,733 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,733 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,734 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,734 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,735 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,735 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,735 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,735 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,736 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,736 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,737 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,737 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,737 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,737 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:59:45,738 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-09 13:59:45,738 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-09 13:59:45,738 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-09 13:59:45,739 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-09 13:59:45,739 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-09 13:59:45,739 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-09 13:59:45,739 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-09 13:59:45,739 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-09 13:59:45,739 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-09 13:59:45,742 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-09 13:59:45,742 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 167 places, 163 transitions, 390 flow [2020-10-09 13:59:45,742 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 167 places, 163 transitions, 390 flow [2020-10-09 13:59:45,742 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 167 places, 163 transitions, 390 flow [2020-10-09 13:59:45,791 INFO L129 PetriNetUnfolder]: 15/188 cut-off events. [2020-10-09 13:59:45,791 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-10-09 13:59:45,794 INFO L80 FinitePrefix]: Finished finitePrefix Result has 217 conditions, 188 events. 15/188 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 431 event pairs, 0 based on Foata normal form. 0/167 useless extension candidates. Maximal degree in co-relation 208. Up to 10 conditions per place. [2020-10-09 13:59:45,804 INFO L117 LiptonReduction]: Number of co-enabled transitions 8100 [2020-10-09 13:59:49,386 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-09 13:59:49,613 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-10-09 13:59:50,126 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 96 [2020-10-09 13:59:50,248 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-09 13:59:50,255 INFO L132 LiptonReduction]: Checked pairs total: 11844 [2020-10-09 13:59:50,256 INFO L134 LiptonReduction]: Total number of compositions: 161 [2020-10-09 13:59:50,256 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 59 places, 48 transitions, 160 flow [2020-10-09 13:59:51,321 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 13592 states. [2020-10-09 13:59:51,321 INFO L276 IsEmpty]: Start isEmpty. Operand 13592 states. [2020-10-09 13:59:51,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-09 13:59:51,321 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 13:59:51,321 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-09 13:59:51,322 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-09 13:59:51,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 13:59:51,322 INFO L82 PathProgramCache]: Analyzing trace with hash 1182523, now seen corresponding path program 1 times [2020-10-09 13:59:51,322 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 13:59:51,322 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164301486] [2020-10-09 13:59:51,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 13:59:51,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 13:59:51,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 13:59:51,336 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164301486] [2020-10-09 13:59:51,336 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 13:59:51,336 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-09 13:59:51,338 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220185711] [2020-10-09 13:59:51,338 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-09 13:59:51,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 13:59:51,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-09 13:59:51,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 13:59:51,339 INFO L87 Difference]: Start difference. First operand 13592 states. Second operand 3 states. [2020-10-09 13:59:51,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 13:59:51,672 INFO L93 Difference]: Finished difference Result 15456 states and 79163 transitions. [2020-10-09 13:59:51,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-09 13:59:51,673 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-09 13:59:51,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 13:59:51,751 INFO L225 Difference]: With dead ends: 15456 [2020-10-09 13:59:51,751 INFO L226 Difference]: Without dead ends: 14450 [2020-10-09 13:59:51,751 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 13:59:51,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14450 states. [2020-10-09 13:59:52,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14450 to 13395. [2020-10-09 13:59:52,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13395 states. [2020-10-09 13:59:52,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13395 states to 13395 states and 69324 transitions. [2020-10-09 13:59:52,366 INFO L78 Accepts]: Start accepts. Automaton has 13395 states and 69324 transitions. Word has length 3 [2020-10-09 13:59:52,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 13:59:52,366 INFO L481 AbstractCegarLoop]: Abstraction has 13395 states and 69324 transitions. [2020-10-09 13:59:52,366 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-09 13:59:52,366 INFO L276 IsEmpty]: Start isEmpty. Operand 13395 states and 69324 transitions. [2020-10-09 13:59:52,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-09 13:59:52,367 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 13:59:52,367 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 13:59:52,367 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-09 13:59:52,367 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-09 13:59:52,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 13:59:52,368 INFO L82 PathProgramCache]: Analyzing trace with hash -1868590315, now seen corresponding path program 1 times [2020-10-09 13:59:52,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 13:59:52,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355052354] [2020-10-09 13:59:52,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 13:59:52,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 13:59:52,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 13:59:52,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355052354] [2020-10-09 13:59:52,406 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 13:59:52,406 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-09 13:59:52,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088782804] [2020-10-09 13:59:52,407 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 13:59:52,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 13:59:52,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 13:59:52,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-09 13:59:52,408 INFO L87 Difference]: Start difference. First operand 13395 states and 69324 transitions. Second operand 5 states. [2020-10-09 13:59:53,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 13:59:53,718 INFO L93 Difference]: Finished difference Result 23586 states and 116096 transitions. [2020-10-09 13:59:53,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-09 13:59:53,718 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-10-09 13:59:53,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 13:59:53,791 INFO L225 Difference]: With dead ends: 23586 [2020-10-09 13:59:53,791 INFO L226 Difference]: Without dead ends: 23544 [2020-10-09 13:59:53,792 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-09 13:59:53,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23544 states. [2020-10-09 13:59:54,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23544 to 14448. [2020-10-09 13:59:54,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14448 states. [2020-10-09 13:59:54,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14448 states to 14448 states and 75696 transitions. [2020-10-09 13:59:54,416 INFO L78 Accepts]: Start accepts. Automaton has 14448 states and 75696 transitions. Word has length 10 [2020-10-09 13:59:54,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 13:59:54,417 INFO L481 AbstractCegarLoop]: Abstraction has 14448 states and 75696 transitions. [2020-10-09 13:59:54,417 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 13:59:54,417 INFO L276 IsEmpty]: Start isEmpty. Operand 14448 states and 75696 transitions. [2020-10-09 13:59:54,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-09 13:59:54,418 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 13:59:54,418 INFO L421 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 13:59:54,418 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-09 13:59:54,418 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-09 13:59:54,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 13:59:54,419 INFO L82 PathProgramCache]: Analyzing trace with hash -1801459304, now seen corresponding path program 1 times [2020-10-09 13:59:54,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 13:59:54,419 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459306931] [2020-10-09 13:59:54,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 13:59:54,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 13:59:54,461 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-09 13:59:54,462 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459306931] [2020-10-09 13:59:54,462 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 13:59:54,462 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-09 13:59:54,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655196089] [2020-10-09 13:59:54,463 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 13:59:54,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 13:59:54,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 13:59:54,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-09 13:59:54,464 INFO L87 Difference]: Start difference. First operand 14448 states and 75696 transitions. Second operand 5 states. [2020-10-09 13:59:55,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 13:59:55,074 INFO L93 Difference]: Finished difference Result 25978 states and 129320 transitions. [2020-10-09 13:59:55,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-09 13:59:55,075 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-09 13:59:55,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 13:59:55,187 INFO L225 Difference]: With dead ends: 25978 [2020-10-09 13:59:55,188 INFO L226 Difference]: Without dead ends: 25910 [2020-10-09 13:59:55,188 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-09 13:59:55,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25910 states. [2020-10-09 13:59:55,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25910 to 15939. [2020-10-09 13:59:55,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15939 states. [2020-10-09 13:59:56,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15939 states to 15939 states and 84384 transitions. [2020-10-09 13:59:56,064 INFO L78 Accepts]: Start accepts. Automaton has 15939 states and 84384 transitions. Word has length 14 [2020-10-09 13:59:56,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 13:59:56,064 INFO L481 AbstractCegarLoop]: Abstraction has 15939 states and 84384 transitions. [2020-10-09 13:59:56,064 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 13:59:56,064 INFO L276 IsEmpty]: Start isEmpty. Operand 15939 states and 84384 transitions. [2020-10-09 13:59:56,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-09 13:59:56,070 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 13:59:56,070 INFO L421 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 13:59:56,071 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-09 13:59:56,071 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-09 13:59:56,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 13:59:56,071 INFO L82 PathProgramCache]: Analyzing trace with hash -1447988544, now seen corresponding path program 1 times [2020-10-09 13:59:56,071 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 13:59:56,072 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750149708] [2020-10-09 13:59:56,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 13:59:56,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 13:59:56,103 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 13:59:56,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750149708] [2020-10-09 13:59:56,104 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 13:59:56,104 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-09 13:59:56,104 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938477852] [2020-10-09 13:59:56,105 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-09 13:59:56,105 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 13:59:56,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-09 13:59:56,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 13:59:56,105 INFO L87 Difference]: Start difference. First operand 15939 states and 84384 transitions. Second operand 3 states. [2020-10-09 13:59:56,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 13:59:56,146 INFO L93 Difference]: Finished difference Result 3357 states and 9797 transitions. [2020-10-09 13:59:56,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-09 13:59:56,146 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-09 13:59:56,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 13:59:56,153 INFO L225 Difference]: With dead ends: 3357 [2020-10-09 13:59:56,153 INFO L226 Difference]: Without dead ends: 3357 [2020-10-09 13:59:56,154 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 13:59:56,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3357 states. [2020-10-09 13:59:56,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3357 to 3357. [2020-10-09 13:59:56,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3357 states. [2020-10-09 13:59:56,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3357 states to 3357 states and 9797 transitions. [2020-10-09 13:59:56,418 INFO L78 Accepts]: Start accepts. Automaton has 3357 states and 9797 transitions. Word has length 17 [2020-10-09 13:59:56,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 13:59:56,418 INFO L481 AbstractCegarLoop]: Abstraction has 3357 states and 9797 transitions. [2020-10-09 13:59:56,419 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-09 13:59:56,419 INFO L276 IsEmpty]: Start isEmpty. Operand 3357 states and 9797 transitions. [2020-10-09 13:59:56,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-09 13:59:56,420 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 13:59:56,421 INFO L421 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 13:59:56,421 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-09 13:59:56,421 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-09 13:59:56,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 13:59:56,421 INFO L82 PathProgramCache]: Analyzing trace with hash -905254240, now seen corresponding path program 1 times [2020-10-09 13:59:56,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 13:59:56,427 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576253473] [2020-10-09 13:59:56,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 13:59:56,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 13:59:56,506 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 13:59:56,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576253473] [2020-10-09 13:59:56,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [667846254] [2020-10-09 13:59:56,507 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 [2020-10-09 13:59:56,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 13:59:56,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-09 13:59:56,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 13:59:56,662 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 13:59:56,663 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-09 13:59:56,663 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-09 13:59:56,663 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990761035] [2020-10-09 13:59:56,664 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-09 13:59:56,664 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 13:59:56,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-09 13:59:56,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-10-09 13:59:56,665 INFO L87 Difference]: Start difference. First operand 3357 states and 9797 transitions. Second operand 12 states. [2020-10-09 13:59:57,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 13:59:57,073 INFO L93 Difference]: Finished difference Result 5986 states and 16536 transitions. [2020-10-09 13:59:57,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-09 13:59:57,073 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 18 [2020-10-09 13:59:57,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 13:59:57,082 INFO L225 Difference]: With dead ends: 5986 [2020-10-09 13:59:57,082 INFO L226 Difference]: Without dead ends: 5962 [2020-10-09 13:59:57,082 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=260, Unknown=0, NotChecked=0, Total=380 [2020-10-09 13:59:57,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5962 states. [2020-10-09 13:59:57,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5962 to 3137. [2020-10-09 13:59:57,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3137 states. [2020-10-09 13:59:57,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3137 states to 3137 states and 9109 transitions. [2020-10-09 13:59:57,176 INFO L78 Accepts]: Start accepts. Automaton has 3137 states and 9109 transitions. Word has length 18 [2020-10-09 13:59:57,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 13:59:57,176 INFO L481 AbstractCegarLoop]: Abstraction has 3137 states and 9109 transitions. [2020-10-09 13:59:57,176 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-09 13:59:57,176 INFO L276 IsEmpty]: Start isEmpty. Operand 3137 states and 9109 transitions. [2020-10-09 13:59:57,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-09 13:59:57,177 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 13:59:57,177 INFO L421 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 13:59:57,377 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-09 13:59:57,378 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-09 13:59:57,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 13:59:57,379 INFO L82 PathProgramCache]: Analyzing trace with hash -1569744228, now seen corresponding path program 1 times [2020-10-09 13:59:57,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 13:59:57,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426549612] [2020-10-09 13:59:57,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 13:59:57,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 13:59:57,416 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-09 13:59:57,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426549612] [2020-10-09 13:59:57,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 13:59:57,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-09 13:59:57,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575843084] [2020-10-09 13:59:57,418 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 13:59:57,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 13:59:57,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 13:59:57,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-09 13:59:57,418 INFO L87 Difference]: Start difference. First operand 3137 states and 9109 transitions. Second operand 5 states. [2020-10-09 13:59:57,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 13:59:57,571 INFO L93 Difference]: Finished difference Result 5118 states and 14425 transitions. [2020-10-09 13:59:57,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-09 13:59:57,571 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-10-09 13:59:57,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 13:59:57,578 INFO L225 Difference]: With dead ends: 5118 [2020-10-09 13:59:57,579 INFO L226 Difference]: Without dead ends: 5108 [2020-10-09 13:59:57,579 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-09 13:59:57,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5108 states. [2020-10-09 13:59:57,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5108 to 3381. [2020-10-09 13:59:57,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3381 states. [2020-10-09 13:59:57,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3381 states to 3381 states and 9842 transitions. [2020-10-09 13:59:57,646 INFO L78 Accepts]: Start accepts. Automaton has 3381 states and 9842 transitions. Word has length 18 [2020-10-09 13:59:57,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 13:59:57,646 INFO L481 AbstractCegarLoop]: Abstraction has 3381 states and 9842 transitions. [2020-10-09 13:59:57,646 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 13:59:57,646 INFO L276 IsEmpty]: Start isEmpty. Operand 3381 states and 9842 transitions. [2020-10-09 13:59:57,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-09 13:59:57,647 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 13:59:57,647 INFO L421 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 13:59:57,647 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-09 13:59:57,647 INFO L429 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-09 13:59:57,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 13:59:57,648 INFO L82 PathProgramCache]: Analyzing trace with hash 162149792, now seen corresponding path program 1 times [2020-10-09 13:59:57,648 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 13:59:57,648 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625766257] [2020-10-09 13:59:57,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 13:59:57,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 13:59:57,703 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-09 13:59:57,703 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625766257] [2020-10-09 13:59:57,704 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 13:59:57,704 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-09 13:59:57,704 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357831712] [2020-10-09 13:59:57,704 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-09 13:59:57,704 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 13:59:57,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-09 13:59:57,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-09 13:59:57,705 INFO L87 Difference]: Start difference. First operand 3381 states and 9842 transitions. Second operand 7 states. [2020-10-09 13:59:58,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 13:59:58,074 INFO L93 Difference]: Finished difference Result 6300 states and 17419 transitions. [2020-10-09 13:59:58,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-09 13:59:58,075 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-10-09 13:59:58,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 13:59:58,087 INFO L225 Difference]: With dead ends: 6300 [2020-10-09 13:59:58,088 INFO L226 Difference]: Without dead ends: 6273 [2020-10-09 13:59:58,089 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-10-09 13:59:58,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6273 states. [2020-10-09 13:59:58,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6273 to 3234. [2020-10-09 13:59:58,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3234 states. [2020-10-09 13:59:58,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3234 states to 3234 states and 9399 transitions. [2020-10-09 13:59:58,197 INFO L78 Accepts]: Start accepts. Automaton has 3234 states and 9399 transitions. Word has length 18 [2020-10-09 13:59:58,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 13:59:58,197 INFO L481 AbstractCegarLoop]: Abstraction has 3234 states and 9399 transitions. [2020-10-09 13:59:58,197 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-09 13:59:58,197 INFO L276 IsEmpty]: Start isEmpty. Operand 3234 states and 9399 transitions. [2020-10-09 13:59:58,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-09 13:59:58,200 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 13:59:58,200 INFO L421 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 13:59:58,200 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-09 13:59:58,200 INFO L429 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-09 13:59:58,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 13:59:58,200 INFO L82 PathProgramCache]: Analyzing trace with hash -287862172, now seen corresponding path program 1 times [2020-10-09 13:59:58,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 13:59:58,201 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043109809] [2020-10-09 13:59:58,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 13:59:58,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 13:59:58,286 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-09 13:59:58,286 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043109809] [2020-10-09 13:59:58,286 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [577986141] [2020-10-09 13:59:58,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-09 13:59:58,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 13:59:58,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-09 13:59:58,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 13:59:58,457 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-09 13:59:58,457 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-09 13:59:58,458 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-09 13:59:58,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856369144] [2020-10-09 13:59:58,458 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-09 13:59:58,458 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 13:59:58,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-09 13:59:58,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-10-09 13:59:58,459 INFO L87 Difference]: Start difference. First operand 3234 states and 9399 transitions. Second operand 12 states. [2020-10-09 13:59:58,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 13:59:58,890 INFO L93 Difference]: Finished difference Result 6095 states and 16808 transitions. [2020-10-09 13:59:58,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-09 13:59:58,891 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 22 [2020-10-09 13:59:58,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 13:59:58,899 INFO L225 Difference]: With dead ends: 6095 [2020-10-09 13:59:58,899 INFO L226 Difference]: Without dead ends: 6079 [2020-10-09 13:59:58,899 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=260, Unknown=0, NotChecked=0, Total=380 [2020-10-09 13:59:59,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6079 states. [2020-10-09 13:59:59,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6079 to 3114. [2020-10-09 13:59:59,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3114 states. [2020-10-09 13:59:59,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3114 states to 3114 states and 9010 transitions. [2020-10-09 13:59:59,061 INFO L78 Accepts]: Start accepts. Automaton has 3114 states and 9010 transitions. Word has length 22 [2020-10-09 13:59:59,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 13:59:59,061 INFO L481 AbstractCegarLoop]: Abstraction has 3114 states and 9010 transitions. [2020-10-09 13:59:59,061 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-09 13:59:59,061 INFO L276 IsEmpty]: Start isEmpty. Operand 3114 states and 9010 transitions. [2020-10-09 13:59:59,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-09 13:59:59,062 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 13:59:59,063 INFO L421 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 13:59:59,276 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2020-10-09 13:59:59,277 INFO L429 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-09 13:59:59,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 13:59:59,278 INFO L82 PathProgramCache]: Analyzing trace with hash -1897707635, now seen corresponding path program 1 times [2020-10-09 13:59:59,278 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 13:59:59,278 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380560563] [2020-10-09 13:59:59,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 13:59:59,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 13:59:59,334 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-09 13:59:59,334 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380560563] [2020-10-09 13:59:59,335 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [449252196] [2020-10-09 13:59:59,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-09 13:59:59,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 13:59:59,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-09 13:59:59,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 13:59:59,505 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-09 13:59:59,506 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-09 13:59:59,506 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-09 13:59:59,506 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065976215] [2020-10-09 13:59:59,506 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-09 13:59:59,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 13:59:59,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-09 13:59:59,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-10-09 13:59:59,507 INFO L87 Difference]: Start difference. First operand 3114 states and 9010 transitions. Second operand 12 states. [2020-10-09 13:59:59,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 13:59:59,959 INFO L93 Difference]: Finished difference Result 6230 states and 17201 transitions. [2020-10-09 13:59:59,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-09 13:59:59,960 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 22 [2020-10-09 13:59:59,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 13:59:59,969 INFO L225 Difference]: With dead ends: 6230 [2020-10-09 13:59:59,969 INFO L226 Difference]: Without dead ends: 6214 [2020-10-09 13:59:59,969 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=260, Unknown=0, NotChecked=0, Total=380 [2020-10-09 13:59:59,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6214 states. [2020-10-09 14:00:00,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6214 to 3152. [2020-10-09 14:00:00,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3152 states. [2020-10-09 14:00:00,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3152 states to 3152 states and 9145 transitions. [2020-10-09 14:00:00,041 INFO L78 Accepts]: Start accepts. Automaton has 3152 states and 9145 transitions. Word has length 22 [2020-10-09 14:00:00,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 14:00:00,041 INFO L481 AbstractCegarLoop]: Abstraction has 3152 states and 9145 transitions. [2020-10-09 14:00:00,041 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-09 14:00:00,042 INFO L276 IsEmpty]: Start isEmpty. Operand 3152 states and 9145 transitions. [2020-10-09 14:00:00,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-09 14:00:00,043 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 14:00:00,044 INFO L421 BasicCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 14:00:00,244 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-09 14:00:00,245 INFO L429 AbstractCegarLoop]: === Iteration 10 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-09 14:00:00,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 14:00:00,246 INFO L82 PathProgramCache]: Analyzing trace with hash -1666591514, now seen corresponding path program 1 times [2020-10-09 14:00:00,246 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 14:00:00,247 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217502629] [2020-10-09 14:00:00,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 14:00:00,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-09 14:00:00,256 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-09 14:00:00,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-09 14:00:00,264 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-09 14:00:00,271 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-09 14:00:00,272 INFO L519 BasicCegarLoop]: Counterexample might be feasible [2020-10-09 14:00:00,272 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-09 14:00:00,272 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-09 14:00:00,273 WARN L371 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-09 14:00:00,273 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2020-10-09 14:00:00,287 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,288 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,288 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,288 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,288 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,289 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,289 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,289 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,289 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,289 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,289 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,289 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,289 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,290 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,290 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,290 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,290 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,290 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,290 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,290 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,291 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,291 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,291 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,291 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,291 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,291 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,291 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,291 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,292 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,292 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,292 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,292 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,292 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,292 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,292 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,292 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,293 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,293 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,293 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,293 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,293 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,293 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,294 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,294 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,294 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,294 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,294 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,294 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,294 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,294 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,295 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,295 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,295 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,295 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,295 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,295 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,295 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,295 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,296 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,296 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,296 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,296 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,296 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,296 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,296 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,297 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,297 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,297 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,297 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,297 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,297 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,297 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,298 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,298 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,298 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,298 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,298 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,298 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,298 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,298 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,299 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,299 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,299 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,299 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,299 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,299 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,299 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,300 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,300 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,300 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,300 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,300 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,300 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,300 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,300 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,301 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,301 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,301 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,301 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,301 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,301 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,301 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,302 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,302 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,302 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,302 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,302 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,302 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,302 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,303 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,303 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,303 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,303 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,303 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,303 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,303 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,304 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,304 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,304 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,304 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,304 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,304 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,304 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,304 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,305 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,305 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,305 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,305 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,305 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,305 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,305 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,306 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,306 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,306 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,306 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,306 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,306 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,306 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,306 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,307 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,307 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,307 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,307 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,307 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,307 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,308 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,308 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,308 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,308 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,308 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,308 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,309 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,309 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,309 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,309 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,309 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,309 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,310 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,310 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,310 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,310 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,310 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,310 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,310 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,311 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,312 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,312 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,313 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,313 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,313 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,313 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,313 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,313 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,313 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,314 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,315 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,315 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,315 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,315 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,315 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,315 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,316 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,316 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,316 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,316 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,317 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,318 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,318 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,318 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,318 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,318 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,318 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,319 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,319 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,319 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,320 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,320 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,320 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,321 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,321 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,321 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,321 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,321 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,321 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,321 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,323 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,323 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,323 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,323 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,323 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,323 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,325 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,325 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,325 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,325 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,325 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,325 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,326 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,327 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,327 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,327 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,327 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,327 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,328 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,328 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,328 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,329 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,329 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,329 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,330 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,330 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,330 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,330 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,331 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,331 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:00:00,332 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-10-09 14:00:00,332 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-09 14:00:00,332 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-09 14:00:00,332 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-09 14:00:00,332 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-09 14:00:00,333 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-09 14:00:00,333 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-09 14:00:00,333 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-09 14:00:00,333 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-09 14:00:00,335 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-09 14:00:00,335 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 197 places, 192 transitions, 474 flow [2020-10-09 14:00:00,335 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 197 places, 192 transitions, 474 flow [2020-10-09 14:00:00,335 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 197 places, 192 transitions, 474 flow [2020-10-09 14:00:00,364 INFO L129 PetriNetUnfolder]: 18/222 cut-off events. [2020-10-09 14:00:00,364 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-10-09 14:00:00,367 INFO L80 FinitePrefix]: Finished finitePrefix Result has 260 conditions, 222 events. 18/222 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 530 event pairs, 0 based on Foata normal form. 0/197 useless extension candidates. Maximal degree in co-relation 249. Up to 12 conditions per place. [2020-10-09 14:00:00,380 INFO L117 LiptonReduction]: Number of co-enabled transitions 11754 [2020-10-09 14:00:03,300 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 35 [2020-10-09 14:00:04,383 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 62 [2020-10-09 14:00:05,070 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2020-10-09 14:00:05,461 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-10-09 14:00:05,475 INFO L132 LiptonReduction]: Checked pairs total: 19978 [2020-10-09 14:00:05,476 INFO L134 LiptonReduction]: Total number of compositions: 188 [2020-10-09 14:00:05,476 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 73 places, 57 transitions, 204 flow [2020-10-09 14:00:31,306 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 97217 states. [2020-10-09 14:00:31,307 INFO L276 IsEmpty]: Start isEmpty. Operand 97217 states. [2020-10-09 14:00:31,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-09 14:00:31,307 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 14:00:31,307 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-09 14:00:31,308 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 14:00:31,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 14:00:31,308 INFO L82 PathProgramCache]: Analyzing trace with hash 1587786, now seen corresponding path program 1 times [2020-10-09 14:00:31,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 14:00:31,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356525708] [2020-10-09 14:00:31,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 14:00:31,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 14:00:31,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 14:00:31,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356525708] [2020-10-09 14:00:31,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 14:00:31,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-09 14:00:31,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900618711] [2020-10-09 14:00:31,330 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-09 14:00:31,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 14:00:31,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-09 14:00:31,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 14:00:31,331 INFO L87 Difference]: Start difference. First operand 97217 states. Second operand 3 states. [2020-10-09 14:00:32,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 14:00:32,291 INFO L93 Difference]: Finished difference Result 118175 states and 731030 transitions. [2020-10-09 14:00:32,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-09 14:00:32,292 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-09 14:00:32,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 14:00:32,747 INFO L225 Difference]: With dead ends: 118175 [2020-10-09 14:00:32,747 INFO L226 Difference]: Without dead ends: 110531 [2020-10-09 14:00:32,748 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 14:00:35,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110531 states. [2020-10-09 14:00:37,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110531 to 100755. [2020-10-09 14:00:37,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100755 states. [2020-10-09 14:00:38,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100755 states to 100755 states and 628402 transitions. [2020-10-09 14:00:38,258 INFO L78 Accepts]: Start accepts. Automaton has 100755 states and 628402 transitions. Word has length 3 [2020-10-09 14:00:38,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 14:00:38,258 INFO L481 AbstractCegarLoop]: Abstraction has 100755 states and 628402 transitions. [2020-10-09 14:00:38,258 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-09 14:00:38,258 INFO L276 IsEmpty]: Start isEmpty. Operand 100755 states and 628402 transitions. [2020-10-09 14:00:38,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-09 14:00:38,259 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 14:00:38,259 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 14:00:38,259 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-09 14:00:38,259 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 14:00:38,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 14:00:38,259 INFO L82 PathProgramCache]: Analyzing trace with hash -1592599097, now seen corresponding path program 1 times [2020-10-09 14:00:38,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 14:00:38,260 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120561725] [2020-10-09 14:00:38,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 14:00:38,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 14:00:38,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 14:00:38,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120561725] [2020-10-09 14:00:38,293 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 14:00:38,293 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-09 14:00:38,293 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237224840] [2020-10-09 14:00:38,293 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 14:00:38,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 14:00:38,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 14:00:38,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-09 14:00:38,294 INFO L87 Difference]: Start difference. First operand 100755 states and 628402 transitions. Second operand 5 states. [2020-10-09 14:00:46,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 14:00:46,366 INFO L93 Difference]: Finished difference Result 187755 states and 1125902 transitions. [2020-10-09 14:00:46,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-09 14:00:46,367 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-10-09 14:00:46,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 14:00:47,153 INFO L225 Difference]: With dead ends: 187755 [2020-10-09 14:00:47,154 INFO L226 Difference]: Without dead ends: 187578 [2020-10-09 14:00:47,154 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-09 14:00:55,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187578 states. [2020-10-09 14:00:59,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187578 to 111945. [2020-10-09 14:00:59,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111945 states. [2020-10-09 14:00:59,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111945 states to 111945 states and 706831 transitions. [2020-10-09 14:00:59,707 INFO L78 Accepts]: Start accepts. Automaton has 111945 states and 706831 transitions. Word has length 10 [2020-10-09 14:00:59,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 14:00:59,707 INFO L481 AbstractCegarLoop]: Abstraction has 111945 states and 706831 transitions. [2020-10-09 14:00:59,707 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 14:00:59,707 INFO L276 IsEmpty]: Start isEmpty. Operand 111945 states and 706831 transitions. [2020-10-09 14:00:59,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-09 14:00:59,708 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 14:00:59,708 INFO L421 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 14:00:59,708 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-09 14:00:59,708 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 14:00:59,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 14:00:59,708 INFO L82 PathProgramCache]: Analyzing trace with hash -2054167379, now seen corresponding path program 1 times [2020-10-09 14:00:59,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 14:00:59,709 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437808112] [2020-10-09 14:00:59,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 14:00:59,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 14:00:59,753 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-09 14:00:59,754 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437808112] [2020-10-09 14:00:59,754 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 14:00:59,754 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-09 14:00:59,754 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330333004] [2020-10-09 14:00:59,755 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 14:00:59,755 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 14:00:59,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 14:00:59,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-09 14:00:59,755 INFO L87 Difference]: Start difference. First operand 111945 states and 706831 transitions. Second operand 5 states. [2020-10-09 14:01:08,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 14:01:08,639 INFO L93 Difference]: Finished difference Result 212246 states and 1288288 transitions. [2020-10-09 14:01:08,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-09 14:01:08,640 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-09 14:01:08,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 14:01:09,554 INFO L225 Difference]: With dead ends: 212246 [2020-10-09 14:01:09,554 INFO L226 Difference]: Without dead ends: 211934 [2020-10-09 14:01:09,554 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-09 14:01:11,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211934 states. [2020-10-09 14:01:16,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211934 to 127498. [2020-10-09 14:01:16,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127498 states. [2020-10-09 14:01:17,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127498 states to 127498 states and 815584 transitions. [2020-10-09 14:01:17,419 INFO L78 Accepts]: Start accepts. Automaton has 127498 states and 815584 transitions. Word has length 14 [2020-10-09 14:01:17,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 14:01:17,419 INFO L481 AbstractCegarLoop]: Abstraction has 127498 states and 815584 transitions. [2020-10-09 14:01:17,419 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 14:01:17,419 INFO L276 IsEmpty]: Start isEmpty. Operand 127498 states and 815584 transitions. [2020-10-09 14:01:17,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-09 14:01:17,420 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 14:01:17,420 INFO L421 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 14:01:17,421 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-09 14:01:17,421 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 14:01:17,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 14:01:17,421 INFO L82 PathProgramCache]: Analyzing trace with hash -53690513, now seen corresponding path program 1 times [2020-10-09 14:01:17,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 14:01:17,422 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666566975] [2020-10-09 14:01:17,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 14:01:17,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 14:01:17,447 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 14:01:17,447 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666566975] [2020-10-09 14:01:17,447 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 14:01:17,448 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-09 14:01:17,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567543188] [2020-10-09 14:01:17,448 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-09 14:01:17,448 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 14:01:17,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-09 14:01:17,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 14:01:17,449 INFO L87 Difference]: Start difference. First operand 127498 states and 815584 transitions. Second operand 3 states. [2020-10-09 14:01:17,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 14:01:17,566 INFO L93 Difference]: Finished difference Result 14050 states and 46115 transitions. [2020-10-09 14:01:17,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-09 14:01:17,567 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-09 14:01:17,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 14:01:17,600 INFO L225 Difference]: With dead ends: 14050 [2020-10-09 14:01:17,601 INFO L226 Difference]: Without dead ends: 14050 [2020-10-09 14:01:17,601 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 14:01:17,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14050 states. [2020-10-09 14:01:17,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14050 to 13870. [2020-10-09 14:01:17,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13870 states. [2020-10-09 14:01:17,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13870 states to 13870 states and 45593 transitions. [2020-10-09 14:01:17,891 INFO L78 Accepts]: Start accepts. Automaton has 13870 states and 45593 transitions. Word has length 17 [2020-10-09 14:01:17,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 14:01:17,891 INFO L481 AbstractCegarLoop]: Abstraction has 13870 states and 45593 transitions. [2020-10-09 14:01:17,891 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-09 14:01:17,891 INFO L276 IsEmpty]: Start isEmpty. Operand 13870 states and 45593 transitions. [2020-10-09 14:01:17,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-09 14:01:17,892 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 14:01:17,892 INFO L421 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 14:01:17,892 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-10-09 14:01:17,893 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 14:01:17,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 14:01:17,893 INFO L82 PathProgramCache]: Analyzing trace with hash 693844998, now seen corresponding path program 1 times [2020-10-09 14:01:17,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 14:01:17,893 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036737305] [2020-10-09 14:01:17,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 14:01:17,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 14:01:17,958 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 14:01:17,958 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036737305] [2020-10-09 14:01:17,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [447642530] [2020-10-09 14:01:17,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-09 14:01:18,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 14:01:18,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-09 14:01:18,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 14:01:18,133 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 14:01:18,133 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-09 14:01:18,133 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-09 14:01:18,134 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965056576] [2020-10-09 14:01:18,134 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-09 14:01:18,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 14:01:18,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-09 14:01:18,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-09 14:01:18,135 INFO L87 Difference]: Start difference. First operand 13870 states and 45593 transitions. Second operand 12 states. [2020-10-09 14:01:18,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 14:01:18,724 INFO L93 Difference]: Finished difference Result 28297 states and 88595 transitions. [2020-10-09 14:01:18,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-09 14:01:18,725 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 18 [2020-10-09 14:01:18,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 14:01:18,773 INFO L225 Difference]: With dead ends: 28297 [2020-10-09 14:01:18,774 INFO L226 Difference]: Without dead ends: 28227 [2020-10-09 14:01:18,774 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2020-10-09 14:01:18,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28227 states. [2020-10-09 14:01:19,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28227 to 13185. [2020-10-09 14:01:19,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13185 states. [2020-10-09 14:01:19,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13185 states to 13185 states and 43189 transitions. [2020-10-09 14:01:19,164 INFO L78 Accepts]: Start accepts. Automaton has 13185 states and 43189 transitions. Word has length 18 [2020-10-09 14:01:19,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 14:01:19,165 INFO L481 AbstractCegarLoop]: Abstraction has 13185 states and 43189 transitions. [2020-10-09 14:01:19,165 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-09 14:01:19,165 INFO L276 IsEmpty]: Start isEmpty. Operand 13185 states and 43189 transitions. [2020-10-09 14:01:19,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-09 14:01:19,165 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 14:01:19,166 INFO L421 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 14:01:19,366 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2020-10-09 14:01:19,366 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 14:01:19,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 14:01:19,367 INFO L82 PathProgramCache]: Analyzing trace with hash -1124175233, now seen corresponding path program 1 times [2020-10-09 14:01:19,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 14:01:19,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823916334] [2020-10-09 14:01:19,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 14:01:19,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 14:01:19,417 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-09 14:01:19,418 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823916334] [2020-10-09 14:01:19,418 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 14:01:19,418 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-09 14:01:19,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727069536] [2020-10-09 14:01:19,419 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-09 14:01:19,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 14:01:19,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-09 14:01:19,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-09 14:01:19,419 INFO L87 Difference]: Start difference. First operand 13185 states and 43189 transitions. Second operand 7 states. [2020-10-09 14:01:20,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 14:01:20,465 INFO L93 Difference]: Finished difference Result 28575 states and 89516 transitions. [2020-10-09 14:01:20,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-09 14:01:20,465 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-10-09 14:01:20,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 14:01:20,515 INFO L225 Difference]: With dead ends: 28575 [2020-10-09 14:01:20,515 INFO L226 Difference]: Without dead ends: 28491 [2020-10-09 14:01:20,515 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-10-09 14:01:20,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28491 states. [2020-10-09 14:01:20,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28491 to 12294. [2020-10-09 14:01:20,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12294 states. [2020-10-09 14:01:20,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12294 states to 12294 states and 40114 transitions. [2020-10-09 14:01:20,897 INFO L78 Accepts]: Start accepts. Automaton has 12294 states and 40114 transitions. Word has length 18 [2020-10-09 14:01:20,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 14:01:20,897 INFO L481 AbstractCegarLoop]: Abstraction has 12294 states and 40114 transitions. [2020-10-09 14:01:20,897 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-09 14:01:20,897 INFO L276 IsEmpty]: Start isEmpty. Operand 12294 states and 40114 transitions. [2020-10-09 14:01:20,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-09 14:01:20,898 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 14:01:20,898 INFO L421 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 14:01:20,898 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-10-09 14:01:20,898 INFO L429 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 14:01:20,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 14:01:20,898 INFO L82 PathProgramCache]: Analyzing trace with hash 427682604, now seen corresponding path program 1 times [2020-10-09 14:01:20,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 14:01:20,899 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617674208] [2020-10-09 14:01:20,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 14:01:20,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 14:01:20,940 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-09 14:01:20,940 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617674208] [2020-10-09 14:01:20,941 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 14:01:20,941 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-09 14:01:20,941 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321902662] [2020-10-09 14:01:20,941 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 14:01:20,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 14:01:20,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 14:01:20,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-09 14:01:20,942 INFO L87 Difference]: Start difference. First operand 12294 states and 40114 transitions. Second operand 5 states. [2020-10-09 14:01:21,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 14:01:21,190 INFO L93 Difference]: Finished difference Result 24605 states and 79893 transitions. [2020-10-09 14:01:21,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-09 14:01:21,191 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-10-09 14:01:21,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 14:01:21,234 INFO L225 Difference]: With dead ends: 24605 [2020-10-09 14:01:21,235 INFO L226 Difference]: Without dead ends: 24581 [2020-10-09 14:01:21,235 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-09 14:01:21,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24581 states. [2020-10-09 14:01:21,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24581 to 13787. [2020-10-09 14:01:21,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13787 states. [2020-10-09 14:01:21,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13787 states to 13787 states and 45295 transitions. [2020-10-09 14:01:21,604 INFO L78 Accepts]: Start accepts. Automaton has 13787 states and 45295 transitions. Word has length 18 [2020-10-09 14:01:21,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 14:01:21,604 INFO L481 AbstractCegarLoop]: Abstraction has 13787 states and 45295 transitions. [2020-10-09 14:01:21,604 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 14:01:21,605 INFO L276 IsEmpty]: Start isEmpty. Operand 13787 states and 45295 transitions. [2020-10-09 14:01:21,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-09 14:01:21,606 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 14:01:21,606 INFO L421 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 14:01:21,606 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-10-09 14:01:21,607 INFO L429 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 14:01:21,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 14:01:21,607 INFO L82 PathProgramCache]: Analyzing trace with hash -1364464123, now seen corresponding path program 1 times [2020-10-09 14:01:21,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 14:01:21,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138920641] [2020-10-09 14:01:21,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 14:01:21,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 14:01:21,659 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-09 14:01:21,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138920641] [2020-10-09 14:01:21,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1471727029] [2020-10-09 14:01:21,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-09 14:01:21,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 14:01:21,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-09 14:01:21,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 14:01:21,822 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-09 14:01:21,822 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-09 14:01:21,823 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-09 14:01:21,823 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312598250] [2020-10-09 14:01:21,824 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-09 14:01:21,824 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 14:01:21,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-09 14:01:21,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-09 14:01:21,825 INFO L87 Difference]: Start difference. First operand 13787 states and 45295 transitions. Second operand 12 states. [2020-10-09 14:01:22,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 14:01:22,414 INFO L93 Difference]: Finished difference Result 31898 states and 102145 transitions. [2020-10-09 14:01:22,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-09 14:01:22,414 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 22 [2020-10-09 14:01:22,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 14:01:22,472 INFO L225 Difference]: With dead ends: 31898 [2020-10-09 14:01:22,472 INFO L226 Difference]: Without dead ends: 31865 [2020-10-09 14:01:22,472 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2020-10-09 14:01:22,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31865 states. [2020-10-09 14:01:22,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31865 to 13520. [2020-10-09 14:01:22,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13520 states. [2020-10-09 14:01:22,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13520 states to 13520 states and 44395 transitions. [2020-10-09 14:01:22,894 INFO L78 Accepts]: Start accepts. Automaton has 13520 states and 44395 transitions. Word has length 22 [2020-10-09 14:01:22,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 14:01:22,894 INFO L481 AbstractCegarLoop]: Abstraction has 13520 states and 44395 transitions. [2020-10-09 14:01:22,894 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-09 14:01:22,894 INFO L276 IsEmpty]: Start isEmpty. Operand 13520 states and 44395 transitions. [2020-10-09 14:01:22,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-09 14:01:22,896 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 14:01:22,896 INFO L421 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 14:01:23,103 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-09 14:01:23,104 INFO L429 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 14:01:23,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 14:01:23,104 INFO L82 PathProgramCache]: Analyzing trace with hash 321088405, now seen corresponding path program 1 times [2020-10-09 14:01:23,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 14:01:23,105 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141025771] [2020-10-09 14:01:23,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 14:01:23,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 14:01:23,157 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-09 14:01:23,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141025771] [2020-10-09 14:01:23,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [321996573] [2020-10-09 14:01:23,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-09 14:01:23,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 14:01:23,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-09 14:01:23,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 14:01:23,326 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-09 14:01:23,327 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-09 14:01:23,327 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-09 14:01:23,327 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096496857] [2020-10-09 14:01:23,328 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-09 14:01:23,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 14:01:23,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-09 14:01:23,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-09 14:01:23,330 INFO L87 Difference]: Start difference. First operand 13520 states and 44395 transitions. Second operand 12 states. [2020-10-09 14:01:23,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 14:01:23,990 INFO L93 Difference]: Finished difference Result 32253 states and 103231 transitions. [2020-10-09 14:01:23,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-09 14:01:23,991 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 22 [2020-10-09 14:01:23,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 14:01:24,049 INFO L225 Difference]: With dead ends: 32253 [2020-10-09 14:01:24,050 INFO L226 Difference]: Without dead ends: 32220 [2020-10-09 14:01:24,050 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2020-10-09 14:01:24,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32220 states. [2020-10-09 14:01:25,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32220 to 13635. [2020-10-09 14:01:25,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13635 states. [2020-10-09 14:01:25,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13635 states to 13635 states and 44805 transitions. [2020-10-09 14:01:25,143 INFO L78 Accepts]: Start accepts. Automaton has 13635 states and 44805 transitions. Word has length 22 [2020-10-09 14:01:25,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 14:01:25,143 INFO L481 AbstractCegarLoop]: Abstraction has 13635 states and 44805 transitions. [2020-10-09 14:01:25,144 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-09 14:01:25,144 INFO L276 IsEmpty]: Start isEmpty. Operand 13635 states and 44805 transitions. [2020-10-09 14:01:25,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-09 14:01:25,145 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 14:01:25,145 INFO L421 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 14:01:25,345 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-09 14:01:25,346 INFO L429 AbstractCegarLoop]: === Iteration 10 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 14:01:25,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 14:01:25,347 INFO L82 PathProgramCache]: Analyzing trace with hash 1406316126, now seen corresponding path program 1 times [2020-10-09 14:01:25,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 14:01:25,347 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904279404] [2020-10-09 14:01:25,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 14:01:25,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 14:01:25,384 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-09 14:01:25,385 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904279404] [2020-10-09 14:01:25,385 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 14:01:25,385 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-09 14:01:25,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441570728] [2020-10-09 14:01:25,386 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 14:01:25,386 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 14:01:25,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 14:01:25,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-09 14:01:25,386 INFO L87 Difference]: Start difference. First operand 13635 states and 44805 transitions. Second operand 5 states. [2020-10-09 14:01:25,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 14:01:25,605 INFO L93 Difference]: Finished difference Result 23466 states and 75382 transitions. [2020-10-09 14:01:25,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-09 14:01:25,606 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-09 14:01:25,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 14:01:25,648 INFO L225 Difference]: With dead ends: 23466 [2020-10-09 14:01:25,648 INFO L226 Difference]: Without dead ends: 23442 [2020-10-09 14:01:25,649 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-09 14:01:25,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23442 states. [2020-10-09 14:01:25,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23442 to 14781. [2020-10-09 14:01:25,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14781 states. [2020-10-09 14:01:26,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14781 states to 14781 states and 48769 transitions. [2020-10-09 14:01:26,022 INFO L78 Accepts]: Start accepts. Automaton has 14781 states and 48769 transitions. Word has length 22 [2020-10-09 14:01:26,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 14:01:26,022 INFO L481 AbstractCegarLoop]: Abstraction has 14781 states and 48769 transitions. [2020-10-09 14:01:26,022 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 14:01:26,023 INFO L276 IsEmpty]: Start isEmpty. Operand 14781 states and 48769 transitions. [2020-10-09 14:01:26,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-09 14:01:26,025 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 14:01:26,025 INFO L421 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 14:01:26,025 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-10-09 14:01:26,025 INFO L429 AbstractCegarLoop]: === Iteration 11 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 14:01:26,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 14:01:26,026 INFO L82 PathProgramCache]: Analyzing trace with hash -103257068, now seen corresponding path program 1 times [2020-10-09 14:01:26,026 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 14:01:26,026 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439145525] [2020-10-09 14:01:26,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 14:01:26,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 14:01:26,083 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-09 14:01:26,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439145525] [2020-10-09 14:01:26,084 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 14:01:26,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-09 14:01:26,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525763626] [2020-10-09 14:01:26,085 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-09 14:01:26,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 14:01:26,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-09 14:01:26,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-09 14:01:26,085 INFO L87 Difference]: Start difference. First operand 14781 states and 48769 transitions. Second operand 7 states. [2020-10-09 14:01:26,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 14:01:26,624 INFO L93 Difference]: Finished difference Result 33669 states and 108193 transitions. [2020-10-09 14:01:26,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-09 14:01:26,624 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2020-10-09 14:01:26,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 14:01:26,686 INFO L225 Difference]: With dead ends: 33669 [2020-10-09 14:01:26,686 INFO L226 Difference]: Without dead ends: 33617 [2020-10-09 14:01:26,686 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-10-09 14:01:26,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33617 states. [2020-10-09 14:01:27,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33617 to 14680. [2020-10-09 14:01:27,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14680 states. [2020-10-09 14:01:27,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14680 states to 14680 states and 48297 transitions. [2020-10-09 14:01:27,146 INFO L78 Accepts]: Start accepts. Automaton has 14680 states and 48297 transitions. Word has length 22 [2020-10-09 14:01:27,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 14:01:27,146 INFO L481 AbstractCegarLoop]: Abstraction has 14680 states and 48297 transitions. [2020-10-09 14:01:27,146 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-09 14:01:27,146 INFO L276 IsEmpty]: Start isEmpty. Operand 14680 states and 48297 transitions. [2020-10-09 14:01:27,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-09 14:01:27,148 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 14:01:27,149 INFO L421 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 14:01:27,149 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-10-09 14:01:27,149 INFO L429 AbstractCegarLoop]: === Iteration 12 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 14:01:27,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 14:01:27,149 INFO L82 PathProgramCache]: Analyzing trace with hash -103169493, now seen corresponding path program 1 times [2020-10-09 14:01:27,149 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 14:01:27,149 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25597503] [2020-10-09 14:01:27,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 14:01:27,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 14:01:27,223 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-09 14:01:27,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25597503] [2020-10-09 14:01:27,223 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 14:01:27,223 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-09 14:01:27,223 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681663449] [2020-10-09 14:01:27,224 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-09 14:01:27,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 14:01:27,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-09 14:01:27,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-09 14:01:27,224 INFO L87 Difference]: Start difference. First operand 14680 states and 48297 transitions. Second operand 7 states. [2020-10-09 14:01:27,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 14:01:27,787 INFO L93 Difference]: Finished difference Result 33499 states and 107547 transitions. [2020-10-09 14:01:27,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-09 14:01:27,788 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2020-10-09 14:01:27,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 14:01:27,849 INFO L225 Difference]: With dead ends: 33499 [2020-10-09 14:01:27,849 INFO L226 Difference]: Without dead ends: 33447 [2020-10-09 14:01:27,849 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-10-09 14:01:28,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33447 states. [2020-10-09 14:01:28,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33447 to 14368. [2020-10-09 14:01:28,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14368 states. [2020-10-09 14:01:28,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14368 states to 14368 states and 47032 transitions. [2020-10-09 14:01:28,297 INFO L78 Accepts]: Start accepts. Automaton has 14368 states and 47032 transitions. Word has length 22 [2020-10-09 14:01:28,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 14:01:28,297 INFO L481 AbstractCegarLoop]: Abstraction has 14368 states and 47032 transitions. [2020-10-09 14:01:28,297 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-09 14:01:28,297 INFO L276 IsEmpty]: Start isEmpty. Operand 14368 states and 47032 transitions. [2020-10-09 14:01:28,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-09 14:01:28,301 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 14:01:28,301 INFO L421 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 14:01:28,301 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2020-10-09 14:01:28,301 INFO L429 AbstractCegarLoop]: === Iteration 13 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 14:01:28,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 14:01:28,301 INFO L82 PathProgramCache]: Analyzing trace with hash -1988994578, now seen corresponding path program 1 times [2020-10-09 14:01:28,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 14:01:28,302 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752427138] [2020-10-09 14:01:28,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 14:01:28,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 14:01:28,378 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 14:01:28,379 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752427138] [2020-10-09 14:01:28,379 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [774691810] [2020-10-09 14:01:28,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-09 14:01:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 14:01:28,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-09 14:01:28,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 14:01:28,571 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 14:01:28,572 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-09 14:01:28,572 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2020-10-09 14:01:28,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844788372] [2020-10-09 14:01:28,572 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-09 14:01:28,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 14:01:28,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-09 14:01:28,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-10-09 14:01:28,573 INFO L87 Difference]: Start difference. First operand 14368 states and 47032 transitions. Second operand 16 states. [2020-10-09 14:01:30,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 14:01:30,012 INFO L93 Difference]: Finished difference Result 41694 states and 132241 transitions. [2020-10-09 14:01:30,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-09 14:01:30,013 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 26 [2020-10-09 14:01:30,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 14:01:30,091 INFO L225 Difference]: With dead ends: 41694 [2020-10-09 14:01:30,091 INFO L226 Difference]: Without dead ends: 41661 [2020-10-09 14:01:30,092 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 324 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=397, Invalid=1085, Unknown=0, NotChecked=0, Total=1482 [2020-10-09 14:01:30,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41661 states. [2020-10-09 14:01:31,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41661 to 14289. [2020-10-09 14:01:31,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14289 states. [2020-10-09 14:01:31,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14289 states to 14289 states and 46800 transitions. [2020-10-09 14:01:31,346 INFO L78 Accepts]: Start accepts. Automaton has 14289 states and 46800 transitions. Word has length 26 [2020-10-09 14:01:31,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 14:01:31,346 INFO L481 AbstractCegarLoop]: Abstraction has 14289 states and 46800 transitions. [2020-10-09 14:01:31,346 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-09 14:01:31,346 INFO L276 IsEmpty]: Start isEmpty. Operand 14289 states and 46800 transitions. [2020-10-09 14:01:31,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-09 14:01:31,349 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 14:01:31,350 INFO L421 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 14:01:31,550 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2020-10-09 14:01:31,551 INFO L429 AbstractCegarLoop]: === Iteration 14 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 14:01:31,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 14:01:31,551 INFO L82 PathProgramCache]: Analyzing trace with hash -903766857, now seen corresponding path program 1 times [2020-10-09 14:01:31,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 14:01:31,552 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417908148] [2020-10-09 14:01:31,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 14:01:31,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 14:01:31,607 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-09 14:01:31,607 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417908148] [2020-10-09 14:01:31,607 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [800833232] [2020-10-09 14:01:31,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-09 14:01:31,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 14:01:31,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-09 14:01:31,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 14:01:31,757 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-09 14:01:31,758 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-09 14:01:31,758 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-09 14:01:31,758 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361379237] [2020-10-09 14:01:31,758 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-09 14:01:31,759 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 14:01:31,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-09 14:01:31,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-09 14:01:31,760 INFO L87 Difference]: Start difference. First operand 14289 states and 46800 transitions. Second operand 12 states. [2020-10-09 14:01:32,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 14:01:32,393 INFO L93 Difference]: Finished difference Result 30858 states and 98003 transitions. [2020-10-09 14:01:32,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-09 14:01:32,394 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 26 [2020-10-09 14:01:32,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 14:01:32,449 INFO L225 Difference]: With dead ends: 30858 [2020-10-09 14:01:32,449 INFO L226 Difference]: Without dead ends: 30822 [2020-10-09 14:01:32,450 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2020-10-09 14:01:32,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30822 states. [2020-10-09 14:01:32,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30822 to 14230. [2020-10-09 14:01:32,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14230 states. [2020-10-09 14:01:32,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14230 states to 14230 states and 46630 transitions. [2020-10-09 14:01:32,878 INFO L78 Accepts]: Start accepts. Automaton has 14230 states and 46630 transitions. Word has length 26 [2020-10-09 14:01:32,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 14:01:32,879 INFO L481 AbstractCegarLoop]: Abstraction has 14230 states and 46630 transitions. [2020-10-09 14:01:32,879 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-09 14:01:32,879 INFO L276 IsEmpty]: Start isEmpty. Operand 14230 states and 46630 transitions. [2020-10-09 14:01:32,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-09 14:01:32,882 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 14:01:32,882 INFO L421 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 14:01:33,083 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2020-10-09 14:01:33,083 INFO L429 AbstractCegarLoop]: === Iteration 15 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 14:01:33,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 14:01:33,084 INFO L82 PathProgramCache]: Analyzing trace with hash 1881627245, now seen corresponding path program 1 times [2020-10-09 14:01:33,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 14:01:33,084 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105550865] [2020-10-09 14:01:33,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 14:01:33,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 14:01:33,150 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-09 14:01:33,151 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105550865] [2020-10-09 14:01:33,151 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [113667205] [2020-10-09 14:01:33,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-09 14:01:33,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 14:01:33,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-09 14:01:33,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 14:01:33,387 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-09 14:01:33,388 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-09 14:01:33,388 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2020-10-09 14:01:33,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164806093] [2020-10-09 14:01:33,389 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-09 14:01:33,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 14:01:33,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-09 14:01:33,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-10-09 14:01:33,389 INFO L87 Difference]: Start difference. First operand 14230 states and 46630 transitions. Second operand 16 states. [2020-10-09 14:01:34,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 14:01:34,782 INFO L93 Difference]: Finished difference Result 40917 states and 129671 transitions. [2020-10-09 14:01:34,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-09 14:01:34,782 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 26 [2020-10-09 14:01:34,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 14:01:34,858 INFO L225 Difference]: With dead ends: 40917 [2020-10-09 14:01:34,859 INFO L226 Difference]: Without dead ends: 40856 [2020-10-09 14:01:34,859 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 327 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=397, Invalid=1085, Unknown=0, NotChecked=0, Total=1482 [2020-10-09 14:01:35,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40856 states. [2020-10-09 14:01:35,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40856 to 14016. [2020-10-09 14:01:35,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14016 states. [2020-10-09 14:01:35,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14016 states to 14016 states and 45925 transitions. [2020-10-09 14:01:35,363 INFO L78 Accepts]: Start accepts. Automaton has 14016 states and 45925 transitions. Word has length 26 [2020-10-09 14:01:35,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 14:01:35,364 INFO L481 AbstractCegarLoop]: Abstraction has 14016 states and 45925 transitions. [2020-10-09 14:01:35,364 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-09 14:01:35,364 INFO L276 IsEmpty]: Start isEmpty. Operand 14016 states and 45925 transitions. [2020-10-09 14:01:35,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-09 14:01:35,367 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 14:01:35,367 INFO L421 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 14:01:35,568 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2020-10-09 14:01:35,568 INFO L429 AbstractCegarLoop]: === Iteration 16 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 14:01:35,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 14:01:35,569 INFO L82 PathProgramCache]: Analyzing trace with hash -2145591314, now seen corresponding path program 2 times [2020-10-09 14:01:35,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 14:01:35,570 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296189098] [2020-10-09 14:01:35,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 14:01:35,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 14:01:35,637 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-09 14:01:35,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296189098] [2020-10-09 14:01:35,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [804563959] [2020-10-09 14:01:35,638 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-09 14:01:35,734 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-09 14:01:35,735 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-09 14:01:35,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-09 14:01:35,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 14:01:35,849 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-09 14:01:35,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-09 14:01:35,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2020-10-09 14:01:35,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081601365] [2020-10-09 14:01:35,850 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-09 14:01:35,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 14:01:35,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-09 14:01:35,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-10-09 14:01:35,851 INFO L87 Difference]: Start difference. First operand 14016 states and 45925 transitions. Second operand 16 states. [2020-10-09 14:01:37,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 14:01:37,124 INFO L93 Difference]: Finished difference Result 40809 states and 129085 transitions. [2020-10-09 14:01:37,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-09 14:01:37,125 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 26 [2020-10-09 14:01:37,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 14:01:37,204 INFO L225 Difference]: With dead ends: 40809 [2020-10-09 14:01:37,204 INFO L226 Difference]: Without dead ends: 40776 [2020-10-09 14:01:37,205 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 326 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=397, Invalid=1085, Unknown=0, NotChecked=0, Total=1482 [2020-10-09 14:01:37,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40776 states. [2020-10-09 14:01:37,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40776 to 13814. [2020-10-09 14:01:37,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13814 states. [2020-10-09 14:01:37,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13814 states to 13814 states and 45293 transitions. [2020-10-09 14:01:37,711 INFO L78 Accepts]: Start accepts. Automaton has 13814 states and 45293 transitions. Word has length 26 [2020-10-09 14:01:37,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 14:01:37,711 INFO L481 AbstractCegarLoop]: Abstraction has 13814 states and 45293 transitions. [2020-10-09 14:01:37,711 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-09 14:01:37,711 INFO L276 IsEmpty]: Start isEmpty. Operand 13814 states and 45293 transitions. [2020-10-09 14:01:37,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-09 14:01:37,715 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 14:01:37,715 INFO L421 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 14:01:37,915 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2020-10-09 14:01:37,915 INFO L429 AbstractCegarLoop]: === Iteration 17 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 14:01:37,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 14:01:37,916 INFO L82 PathProgramCache]: Analyzing trace with hash 75485767, now seen corresponding path program 1 times [2020-10-09 14:01:37,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 14:01:37,917 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008091453] [2020-10-09 14:01:37,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 14:01:37,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 14:01:37,972 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-09 14:01:37,972 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008091453] [2020-10-09 14:01:37,973 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2017005666] [2020-10-09 14:01:37,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-09 14:01:38,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 14:01:38,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-09 14:01:38,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 14:01:38,732 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-09 14:01:38,733 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-09 14:01:38,733 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-09 14:01:38,733 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42638488] [2020-10-09 14:01:38,733 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-09 14:01:38,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 14:01:38,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-09 14:01:38,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-09 14:01:38,734 INFO L87 Difference]: Start difference. First operand 13814 states and 45293 transitions. Second operand 12 states. [2020-10-09 14:01:39,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 14:01:39,395 INFO L93 Difference]: Finished difference Result 31476 states and 100257 transitions. [2020-10-09 14:01:39,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-09 14:01:39,395 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 26 [2020-10-09 14:01:39,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 14:01:39,451 INFO L225 Difference]: With dead ends: 31476 [2020-10-09 14:01:39,451 INFO L226 Difference]: Without dead ends: 31440 [2020-10-09 14:01:39,452 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2020-10-09 14:01:39,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31440 states. [2020-10-09 14:01:39,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31440 to 14284. [2020-10-09 14:01:39,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14284 states. [2020-10-09 14:01:39,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14284 states to 14284 states and 47044 transitions. [2020-10-09 14:01:39,886 INFO L78 Accepts]: Start accepts. Automaton has 14284 states and 47044 transitions. Word has length 26 [2020-10-09 14:01:39,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 14:01:39,886 INFO L481 AbstractCegarLoop]: Abstraction has 14284 states and 47044 transitions. [2020-10-09 14:01:39,886 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-09 14:01:39,886 INFO L276 IsEmpty]: Start isEmpty. Operand 14284 states and 47044 transitions. [2020-10-09 14:01:39,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-09 14:01:39,890 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 14:01:39,890 INFO L421 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 14:01:40,090 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-09 14:01:40,091 INFO L429 AbstractCegarLoop]: === Iteration 18 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 14:01:40,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 14:01:40,092 INFO L82 PathProgramCache]: Analyzing trace with hash -1433999852, now seen corresponding path program 1 times [2020-10-09 14:01:40,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 14:01:40,092 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631687701] [2020-10-09 14:01:40,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 14:01:40,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 14:01:40,165 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-09 14:01:40,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631687701] [2020-10-09 14:01:40,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [3232798] [2020-10-09 14:01:40,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-09 14:01:40,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 14:01:40,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-09 14:01:40,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 14:01:40,367 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-09 14:01:40,367 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-09 14:01:40,367 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2020-10-09 14:01:40,367 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725758892] [2020-10-09 14:01:40,368 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-09 14:01:40,368 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 14:01:40,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-09 14:01:40,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-10-09 14:01:40,368 INFO L87 Difference]: Start difference. First operand 14284 states and 47044 transitions. Second operand 16 states. [2020-10-09 14:01:41,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 14:01:41,823 INFO L93 Difference]: Finished difference Result 41255 states and 130887 transitions. [2020-10-09 14:01:41,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-09 14:01:41,824 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 26 [2020-10-09 14:01:41,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 14:01:41,901 INFO L225 Difference]: With dead ends: 41255 [2020-10-09 14:01:41,901 INFO L226 Difference]: Without dead ends: 41194 [2020-10-09 14:01:41,901 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 329 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=397, Invalid=1085, Unknown=0, NotChecked=0, Total=1482 [2020-10-09 14:01:42,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41194 states. [2020-10-09 14:01:42,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41194 to 14132. [2020-10-09 14:01:42,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14132 states. [2020-10-09 14:01:42,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14132 states to 14132 states and 46578 transitions. [2020-10-09 14:01:42,412 INFO L78 Accepts]: Start accepts. Automaton has 14132 states and 46578 transitions. Word has length 26 [2020-10-09 14:01:42,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 14:01:42,412 INFO L481 AbstractCegarLoop]: Abstraction has 14132 states and 46578 transitions. [2020-10-09 14:01:42,413 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-09 14:01:42,413 INFO L276 IsEmpty]: Start isEmpty. Operand 14132 states and 46578 transitions. [2020-10-09 14:01:42,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-09 14:01:42,416 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 14:01:42,417 INFO L421 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 14:01:42,617 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2020-10-09 14:01:42,617 INFO L429 AbstractCegarLoop]: === Iteration 19 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 14:01:42,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 14:01:42,618 INFO L82 PathProgramCache]: Analyzing trace with hash 1843074133, now seen corresponding path program 1 times [2020-10-09 14:01:42,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 14:01:42,618 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356706604] [2020-10-09 14:01:42,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 14:01:42,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 14:01:42,689 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-09 14:01:42,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356706604] [2020-10-09 14:01:42,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [203152254] [2020-10-09 14:01:42,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-09 14:01:42,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 14:01:42,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-09 14:01:42,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 14:01:42,859 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-09 14:01:42,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-09 14:01:42,859 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-09 14:01:42,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128084463] [2020-10-09 14:01:42,860 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-09 14:01:42,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 14:01:42,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-09 14:01:42,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-09 14:01:42,861 INFO L87 Difference]: Start difference. First operand 14132 states and 46578 transitions. Second operand 12 states. [2020-10-09 14:01:43,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 14:01:43,485 INFO L93 Difference]: Finished difference Result 32868 states and 106131 transitions. [2020-10-09 14:01:43,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-09 14:01:43,486 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 26 [2020-10-09 14:01:43,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 14:01:43,547 INFO L225 Difference]: With dead ends: 32868 [2020-10-09 14:01:43,547 INFO L226 Difference]: Without dead ends: 32842 [2020-10-09 14:01:43,548 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2020-10-09 14:01:43,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32842 states. [2020-10-09 14:01:43,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32842 to 14171. [2020-10-09 14:01:43,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14171 states. [2020-10-09 14:01:43,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14171 states to 14171 states and 46691 transitions. [2020-10-09 14:01:43,996 INFO L78 Accepts]: Start accepts. Automaton has 14171 states and 46691 transitions. Word has length 26 [2020-10-09 14:01:43,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 14:01:43,997 INFO L481 AbstractCegarLoop]: Abstraction has 14171 states and 46691 transitions. [2020-10-09 14:01:43,997 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-09 14:01:43,997 INFO L276 IsEmpty]: Start isEmpty. Operand 14171 states and 46691 transitions. [2020-10-09 14:01:44,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-09 14:01:44,000 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 14:01:44,001 INFO L421 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 14:01:44,201 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-09 14:01:44,201 INFO L429 AbstractCegarLoop]: === Iteration 20 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 14:01:44,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 14:01:44,202 INFO L82 PathProgramCache]: Analyzing trace with hash -1288861438, now seen corresponding path program 1 times [2020-10-09 14:01:44,202 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 14:01:44,203 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802189165] [2020-10-09 14:01:44,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 14:01:44,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 14:01:44,259 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-09 14:01:44,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802189165] [2020-10-09 14:01:44,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 14:01:44,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-09 14:01:44,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887572805] [2020-10-09 14:01:44,260 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-09 14:01:44,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 14:01:44,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-09 14:01:44,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-09 14:01:44,261 INFO L87 Difference]: Start difference. First operand 14171 states and 46691 transitions. Second operand 7 states. [2020-10-09 14:01:44,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 14:01:44,809 INFO L93 Difference]: Finished difference Result 30961 states and 98367 transitions. [2020-10-09 14:01:44,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-09 14:01:44,810 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-10-09 14:01:44,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 14:01:44,864 INFO L225 Difference]: With dead ends: 30961 [2020-10-09 14:01:44,865 INFO L226 Difference]: Without dead ends: 30919 [2020-10-09 14:01:44,865 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-10-09 14:01:45,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30919 states. [2020-10-09 14:01:45,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30919 to 14526. [2020-10-09 14:01:45,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14526 states. [2020-10-09 14:01:45,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14526 states to 14526 states and 47951 transitions. [2020-10-09 14:01:45,950 INFO L78 Accepts]: Start accepts. Automaton has 14526 states and 47951 transitions. Word has length 26 [2020-10-09 14:01:45,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 14:01:45,950 INFO L481 AbstractCegarLoop]: Abstraction has 14526 states and 47951 transitions. [2020-10-09 14:01:45,950 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-09 14:01:45,950 INFO L276 IsEmpty]: Start isEmpty. Operand 14526 states and 47951 transitions. [2020-10-09 14:01:45,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-09 14:01:45,954 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 14:01:45,954 INFO L421 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 14:01:45,954 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2020-10-09 14:01:45,954 INFO L429 AbstractCegarLoop]: === Iteration 21 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 14:01:45,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 14:01:45,955 INFO L82 PathProgramCache]: Analyzing trace with hash -1288773863, now seen corresponding path program 1 times [2020-10-09 14:01:45,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 14:01:45,955 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795920907] [2020-10-09 14:01:45,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 14:01:45,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 14:01:46,009 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-09 14:01:46,010 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795920907] [2020-10-09 14:01:46,010 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 14:01:46,010 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-09 14:01:46,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308318930] [2020-10-09 14:01:46,011 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-09 14:01:46,011 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 14:01:46,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-09 14:01:46,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-09 14:01:46,011 INFO L87 Difference]: Start difference. First operand 14526 states and 47951 transitions. Second operand 7 states. [2020-10-09 14:01:46,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 14:01:46,564 INFO L93 Difference]: Finished difference Result 31047 states and 98602 transitions. [2020-10-09 14:01:46,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-09 14:01:46,565 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-10-09 14:01:46,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 14:01:46,619 INFO L225 Difference]: With dead ends: 31047 [2020-10-09 14:01:46,620 INFO L226 Difference]: Without dead ends: 31005 [2020-10-09 14:01:46,620 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-10-09 14:01:46,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31005 states. [2020-10-09 14:01:47,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31005 to 14408. [2020-10-09 14:01:47,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14408 states. [2020-10-09 14:01:47,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14408 states to 14408 states and 47461 transitions. [2020-10-09 14:01:47,040 INFO L78 Accepts]: Start accepts. Automaton has 14408 states and 47461 transitions. Word has length 26 [2020-10-09 14:01:47,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 14:01:47,041 INFO L481 AbstractCegarLoop]: Abstraction has 14408 states and 47461 transitions. [2020-10-09 14:01:47,041 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-09 14:01:47,041 INFO L276 IsEmpty]: Start isEmpty. Operand 14408 states and 47461 transitions. [2020-10-09 14:01:47,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-09 14:01:47,045 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 14:01:47,045 INFO L421 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 14:01:47,045 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2020-10-09 14:01:47,045 INFO L429 AbstractCegarLoop]: === Iteration 22 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 14:01:47,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 14:01:47,045 INFO L82 PathProgramCache]: Analyzing trace with hash -1288707709, now seen corresponding path program 1 times [2020-10-09 14:01:47,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 14:01:47,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65056154] [2020-10-09 14:01:47,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 14:01:47,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 14:01:47,102 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-09 14:01:47,102 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65056154] [2020-10-09 14:01:47,102 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 14:01:47,102 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-09 14:01:47,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835430920] [2020-10-09 14:01:47,103 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-09 14:01:47,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 14:01:47,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-09 14:01:47,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-09 14:01:47,104 INFO L87 Difference]: Start difference. First operand 14408 states and 47461 transitions. Second operand 7 states. [2020-10-09 14:01:47,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 14:01:47,676 INFO L93 Difference]: Finished difference Result 33008 states and 106518 transitions. [2020-10-09 14:01:47,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-09 14:01:47,677 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-10-09 14:01:47,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 14:01:47,742 INFO L225 Difference]: With dead ends: 33008 [2020-10-09 14:01:47,742 INFO L226 Difference]: Without dead ends: 32988 [2020-10-09 14:01:47,742 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-10-09 14:01:47,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32988 states. [2020-10-09 14:01:48,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32988 to 14212. [2020-10-09 14:01:48,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14212 states. [2020-10-09 14:01:48,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14212 states to 14212 states and 46599 transitions. [2020-10-09 14:01:48,186 INFO L78 Accepts]: Start accepts. Automaton has 14212 states and 46599 transitions. Word has length 26 [2020-10-09 14:01:48,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 14:01:48,186 INFO L481 AbstractCegarLoop]: Abstraction has 14212 states and 46599 transitions. [2020-10-09 14:01:48,186 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-09 14:01:48,186 INFO L276 IsEmpty]: Start isEmpty. Operand 14212 states and 46599 transitions. [2020-10-09 14:01:48,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-09 14:01:48,190 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 14:01:48,190 INFO L421 BasicCegarLoop]: trace histogram [6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 14:01:48,190 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2020-10-09 14:01:48,190 INFO L429 AbstractCegarLoop]: === Iteration 23 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 14:01:48,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 14:01:48,191 INFO L82 PathProgramCache]: Analyzing trace with hash -1151627457, now seen corresponding path program 1 times [2020-10-09 14:01:48,191 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 14:01:48,191 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794309258] [2020-10-09 14:01:48,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 14:01:48,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-09 14:01:48,199 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-09 14:01:48,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-09 14:01:48,206 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-09 14:01:48,214 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-09 14:01:48,214 INFO L519 BasicCegarLoop]: Counterexample might be feasible [2020-10-09 14:01:48,215 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2020-10-09 14:01:48,215 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-09 14:01:48,215 WARN L371 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-09 14:01:48,216 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2020-10-09 14:01:48,232 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,232 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,232 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,233 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,233 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,233 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,233 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,233 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,233 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,233 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,234 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,234 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,234 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,234 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,234 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,234 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,234 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,234 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,235 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,235 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,235 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,235 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,235 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,235 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,235 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,236 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,236 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,236 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,236 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,236 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,236 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,236 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,236 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,237 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,237 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,237 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,237 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,237 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,237 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,237 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,238 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,238 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,238 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,238 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,238 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,238 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,238 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,239 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,239 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,239 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,239 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,239 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,239 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,239 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,240 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,240 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,240 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,240 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,240 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,240 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,240 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,241 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,241 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,241 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,241 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,241 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,241 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,241 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,242 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,242 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,242 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,242 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,242 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,242 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,242 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,242 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,243 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,243 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,243 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,243 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,243 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,243 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,243 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,244 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,244 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,244 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,244 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,244 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,244 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,244 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,244 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,245 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,245 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,245 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,245 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,245 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,245 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,245 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,245 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,246 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,246 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,246 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,246 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,246 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,246 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,247 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,247 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,247 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,247 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,247 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,247 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,247 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,247 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,248 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,248 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,248 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,248 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,248 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,248 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,248 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,249 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,249 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,249 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,249 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,249 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,249 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,250 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,250 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,250 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,250 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,250 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,250 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,250 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,250 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,251 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,251 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,251 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,251 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,251 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,251 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,251 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,252 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,252 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,252 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,252 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,252 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,252 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,252 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,252 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,252 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,253 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,253 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,253 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,253 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,253 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,253 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,253 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,254 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,254 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,254 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,254 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,254 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,254 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,254 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,254 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,255 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,255 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,255 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,255 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,255 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,255 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,255 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,255 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,256 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,256 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,256 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,256 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,256 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,256 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,256 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,257 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,257 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,257 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,257 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,257 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,257 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,258 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,258 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,258 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,258 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,258 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,258 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,258 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,259 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,259 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,259 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,262 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,262 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,262 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,262 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,262 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,262 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,262 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,263 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,263 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,263 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,264 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,264 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,264 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,264 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,264 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,264 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,265 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,265 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,265 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,265 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,266 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,266 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,266 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,266 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,266 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,266 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,266 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,266 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,267 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,267 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,268 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,268 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,268 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,268 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,268 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,268 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,269 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,269 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,269 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,269 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,269 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,270 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,270 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,270 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,270 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,270 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,270 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,270 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,270 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,270 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,271 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,271 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,271 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,271 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,272 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,272 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,272 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,272 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,273 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,273 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,273 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,273 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,273 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,274 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,274 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,274 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,274 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,274 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,275 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,275 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,275 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,275 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,276 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,276 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,277 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,277 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,277 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,277 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,278 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,278 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,279 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,279 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,279 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,279 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,279 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,279 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 14:01:48,280 INFO L253 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2020-10-09 14:01:48,280 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-09 14:01:48,280 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-09 14:01:48,281 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-09 14:01:48,281 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-09 14:01:48,281 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-09 14:01:48,281 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-09 14:01:48,281 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-09 14:01:48,281 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-09 14:01:48,283 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-09 14:01:48,283 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 227 places, 221 transitions, 562 flow [2020-10-09 14:01:48,283 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 227 places, 221 transitions, 562 flow [2020-10-09 14:01:48,283 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 227 places, 221 transitions, 562 flow [2020-10-09 14:01:48,319 INFO L129 PetriNetUnfolder]: 21/256 cut-off events. [2020-10-09 14:01:48,319 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2020-10-09 14:01:48,322 INFO L80 FinitePrefix]: Finished finitePrefix Result has 304 conditions, 256 events. 21/256 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 641 event pairs, 0 based on Foata normal form. 0/227 useless extension candidates. Maximal degree in co-relation 291. Up to 14 conditions per place. [2020-10-09 14:01:48,339 INFO L117 LiptonReduction]: Number of co-enabled transitions 16092 [2020-10-09 14:01:52,269 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 62 [2020-10-09 14:01:53,392 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-09 14:01:53,613 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-10-09 14:01:54,157 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 96 [2020-10-09 14:01:54,280 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-09 14:01:54,289 INFO L132 LiptonReduction]: Checked pairs total: 28958 [2020-10-09 14:01:54,289 INFO L134 LiptonReduction]: Total number of compositions: 215 [2020-10-09 14:01:54,289 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 86 places, 67 transitions, 254 flow Received shutdown request... [2020-10-09 14:12:50,568 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-09 14:12:50,573 WARN L235 ceAbstractionStarter]: Timeout [2020-10-09 14:12:50,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.10 02:12:50 BasicIcfg [2020-10-09 14:12:50,574 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-09 14:12:50,575 INFO L168 Benchmark]: Toolchain (without parser) took 800839.13 ms. Allocated memory was 252.7 MB in the beginning and 4.8 GB in the end (delta: 4.6 GB). Free memory was 208.1 MB in the beginning and 2.3 GB in the end (delta: -2.1 GB). Peak memory consumption was 5.9 GB. Max. memory is 14.2 GB. [2020-10-09 14:12:50,576 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 252.7 MB. Free memory is still 229.1 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-09 14:12:50,576 INFO L168 Benchmark]: CACSL2BoogieTranslator took 728.25 ms. Allocated memory was 252.7 MB in the beginning and 323.0 MB in the end (delta: 70.3 MB). Free memory was 208.1 MB in the beginning and 278.1 MB in the end (delta: -70.0 MB). Peak memory consumption was 33.1 MB. Max. memory is 14.2 GB. [2020-10-09 14:12:50,576 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.30 ms. Allocated memory is still 323.0 MB. Free memory was 278.1 MB in the beginning and 275.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-09 14:12:50,578 INFO L168 Benchmark]: Boogie Preprocessor took 29.65 ms. Allocated memory is still 323.0 MB. Free memory is still 275.6 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-09 14:12:50,578 INFO L168 Benchmark]: RCFGBuilder took 434.12 ms. Allocated memory is still 323.0 MB. Free memory was 275.6 MB in the beginning and 251.2 MB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 14.2 GB. [2020-10-09 14:12:50,579 INFO L168 Benchmark]: TraceAbstraction took 799555.95 ms. Allocated memory was 323.0 MB in the beginning and 4.8 GB in the end (delta: 4.5 GB). Free memory was 251.2 MB in the beginning and 2.3 GB in the end (delta: -2.0 GB). Peak memory consumption was 5.9 GB. Max. memory is 14.2 GB. [2020-10-09 14:12:50,582 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 252.7 MB. Free memory is still 229.1 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 728.25 ms. Allocated memory was 252.7 MB in the beginning and 323.0 MB in the end (delta: 70.3 MB). Free memory was 208.1 MB in the beginning and 278.1 MB in the end (delta: -70.0 MB). Peak memory consumption was 33.1 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 84.30 ms. Allocated memory is still 323.0 MB. Free memory was 278.1 MB in the beginning and 275.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 29.65 ms. Allocated memory is still 323.0 MB. Free memory is still 275.6 MB. There was no memory consumed. Max. memory is 14.2 GB. * RCFGBuilder took 434.12 ms. Allocated memory is still 323.0 MB. Free memory was 275.6 MB in the beginning and 251.2 MB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 14.2 GB. * TraceAbstraction took 799555.95 ms. Allocated memory was 323.0 MB in the beginning and 4.8 GB in the end (delta: 4.5 GB). Free memory was 251.2 MB in the beginning and 2.3 GB in the end (delta: -2.0 GB). Peak memory consumption was 5.9 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 868 VarBasedMoverChecksPositive, 5 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 5 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 3 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.0s, 77 PlacesBefore, 18 PlacesAfterwards, 76 TransitionsBefore, 12 TransitionsAfterwards, 1242 CoEnabledTransitionPairs, 6 FixpointIterations, 27 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 13 ConcurrentYvCompositions, 5 ChoiceCompositions, 82 TotalNumberOfCompositions, 1201 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1998 VarBasedMoverChecksPositive, 44 VarBasedMoverChecksNegative, 15 SemBasedMoverChecksPositive, 29 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 128 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.8s, 107 PlacesBefore, 36 PlacesAfterwards, 105 TransitionsBefore, 28 TransitionsAfterwards, 2844 CoEnabledTransitionPairs, 5 FixpointIterations, 37 TrivialSequentialCompositions, 43 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 11 ConcurrentYvCompositions, 6 ChoiceCompositions, 100 TotalNumberOfCompositions, 4121 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 3457 VarBasedMoverChecksPositive, 70 VarBasedMoverChecksNegative, 24 SemBasedMoverChecksPositive, 46 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.3s, 167 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.6s, 137 PlacesBefore, 49 PlacesAfterwards, 134 TransitionsBefore, 38 TransitionsAfterwards, 5130 CoEnabledTransitionPairs, 6 FixpointIterations, 45 TrivialSequentialCompositions, 55 ConcurrentSequentialCompositions, 5 TrivialYvCompositions, 15 ConcurrentYvCompositions, 8 ChoiceCompositions, 128 TotalNumberOfCompositions, 8721 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 5441 VarBasedMoverChecksPositive, 130 VarBasedMoverChecksNegative, 86 SemBasedMoverChecksPositive, 44 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 168 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.5s, 167 PlacesBefore, 59 PlacesAfterwards, 163 TransitionsBefore, 48 TransitionsAfterwards, 8100 CoEnabledTransitionPairs, 6 FixpointIterations, 52 TrivialSequentialCompositions, 71 ConcurrentSequentialCompositions, 8 TrivialYvCompositions, 23 ConcurrentYvCompositions, 7 ChoiceCompositions, 161 TotalNumberOfCompositions, 11844 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 7860 VarBasedMoverChecksPositive, 127 VarBasedMoverChecksNegative, 54 SemBasedMoverChecksPositive, 73 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 388 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 5.1s, 197 PlacesBefore, 73 PlacesAfterwards, 192 TransitionsBefore, 57 TransitionsAfterwards, 11754 CoEnabledTransitionPairs, 6 FixpointIterations, 67 TrivialSequentialCompositions, 77 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 27 ConcurrentYvCompositions, 11 ChoiceCompositions, 188 TotalNumberOfCompositions, 19978 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 10596 VarBasedMoverChecksPositive, 244 VarBasedMoverChecksNegative, 161 SemBasedMoverChecksPositive, 83 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.6s, 538 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 6.0s, 227 PlacesBefore, 86 PlacesAfterwards, 221 TransitionsBefore, 67 TransitionsAfterwards, 16092 CoEnabledTransitionPairs, 6 FixpointIterations, 71 TrivialSequentialCompositions, 96 ConcurrentSequentialCompositions, 7 TrivialYvCompositions, 28 ConcurrentYvCompositions, 13 ChoiceCompositions, 215 TotalNumberOfCompositions, 28958 MoverChecksTotal - TimeoutResultAtElement [Line: 678]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 678). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 86 places, 67 transitions, 254 flow. Already constructed 537796 states. Currently 32416 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 71 locations, 1 error locations. Started 6 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 799.1s, OverallIterations: 47, TraceHistogramMax: 6, AutomataDifference: 41.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 708.6s, HoareTripleCheckerStatistics: 2135 SDtfs, 9948 SDslu, 7542 SDs, 0 SdLazy, 10525 SolverSat, 749 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 735 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 497 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2077 ImplicationChecksByTransitivity, 5.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=127498occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 40.1s AutomataMinimizationTime, 42 MinimizatonAttempts, 551581 StatesRemovedByMinimization, 39 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 1143 NumberOfCodeBlocks, 1143 NumberOfCodeBlocksAsserted, 62 NumberOfCheckSat, 999 ConstructedInterpolants, 0 QuantifiedInterpolants, 128001 SizeOfPredicates, 64 NumberOfNonLiveVariables, 2174 ConjunctsInSsa, 106 ConjunctsInUnsatCore, 56 InterpolantComputations, 28 PerfectInterpolantSequences, 224/378 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown