/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-word-symm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-15 18:49:11,306 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 18:49:11,316 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 18:49:11,358 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-15 18:49:11,359 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-15 18:49:11,363 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-15 18:49:11,366 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-15 18:49:11,369 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-15 18:49:11,371 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-15 18:49:11,375 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-15 18:49:11,376 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-15 18:49:11,377 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-15 18:49:11,377 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-15 18:49:11,379 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-15 18:49:11,381 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-15 18:49:11,382 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-15 18:49:11,382 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-15 18:49:11,383 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-15 18:49:11,386 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-15 18:49:11,391 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-15 18:49:11,393 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-15 18:49:11,394 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-15 18:49:11,395 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-15 18:49:11,396 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-15 18:49:11,402 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-15 18:49:11,402 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-15 18:49:11,402 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-15 18:49:11,404 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-15 18:49:11,404 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-15 18:49:11,405 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-03-15 18:49:11,411 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-15 18:49:11,411 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-15 18:49:11,412 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-15 18:49:11,413 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2022-03-15 18:49:11,445 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 18:49:11,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 18:49:11,446 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 18:49:11,446 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 18:49:11,446 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 18:49:11,447 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 18:49:11,447 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 18:49:11,447 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 18:49:11,447 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 18:49:11,447 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 18:49:11,448 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 18:49:11,448 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 18:49:11,448 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 18:49:11,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 18:49:11,448 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 18:49:11,448 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 18:49:11,449 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 18:49:11,449 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 18:49:11,449 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 18:49:11,449 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 18:49:11,449 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 18:49:11,449 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 18:49:11,449 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 18:49:11,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 18:49:11,449 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 18:49:11,450 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-03-15 18:49:11,450 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 18:49:11,451 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 18:49:11,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 18:49:11,451 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2022-03-15 18:49:11,451 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2022-03-15 18:49:11,451 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 18:49:11,451 INFO L138 SettingsManager]: * Interpolant automaton=MCR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-15 18:49:11,686 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 18:49:11,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 18:49:11,720 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 18:49:11,721 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-15 18:49:11,722 INFO L275 PluginConnector]: CDTParser initialized [2022-03-15 18:49:11,723 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-word-symm.wvr.c [2022-03-15 18:49:11,768 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07345283b/bf6f430ccbd441a6859b915f25aef635/FLAGa907658b2 [2022-03-15 18:49:12,145 INFO L306 CDTParser]: Found 1 translation units. [2022-03-15 18:49:12,146 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-word-symm.wvr.c [2022-03-15 18:49:12,157 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07345283b/bf6f430ccbd441a6859b915f25aef635/FLAGa907658b2 [2022-03-15 18:49:12,179 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07345283b/bf6f430ccbd441a6859b915f25aef635 [2022-03-15 18:49:12,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 18:49:12,185 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-15 18:49:12,188 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-15 18:49:12,188 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-15 18:49:12,191 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-15 18:49:12,192 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 06:49:12" (1/1) ... [2022-03-15 18:49:12,193 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@789bf801 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:49:12, skipping insertion in model container [2022-03-15 18:49:12,193 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 06:49:12" (1/1) ... [2022-03-15 18:49:12,200 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-15 18:49:12,224 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-15 18:49:12,459 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-word-symm.wvr.c[2848,2861] [2022-03-15 18:49:12,473 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 18:49:12,481 INFO L203 MainTranslator]: Completed pre-run [2022-03-15 18:49:12,503 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-word-symm.wvr.c[2848,2861] [2022-03-15 18:49:12,505 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 18:49:12,514 INFO L208 MainTranslator]: Completed translation [2022-03-15 18:49:12,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:49:12 WrapperNode [2022-03-15 18:49:12,515 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-15 18:49:12,515 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 18:49:12,515 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 18:49:12,516 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 18:49:12,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:49:12" (1/1) ... [2022-03-15 18:49:12,527 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:49:12" (1/1) ... [2022-03-15 18:49:12,559 INFO L137 Inliner]: procedures = 24, calls = 35, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 128 [2022-03-15 18:49:12,559 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 18:49:12,560 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 18:49:12,560 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 18:49:12,561 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 18:49:12,566 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:49:12" (1/1) ... [2022-03-15 18:49:12,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:49:12" (1/1) ... [2022-03-15 18:49:12,580 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:49:12" (1/1) ... [2022-03-15 18:49:12,580 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:49:12" (1/1) ... [2022-03-15 18:49:12,589 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:49:12" (1/1) ... [2022-03-15 18:49:12,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:49:12" (1/1) ... [2022-03-15 18:49:12,603 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:49:12" (1/1) ... [2022-03-15 18:49:12,605 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 18:49:12,605 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 18:49:12,606 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 18:49:12,606 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 18:49:12,614 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:49:12" (1/1) ... [2022-03-15 18:49:12,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 18:49:12,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 18:49:12,637 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-15 18:49:12,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-15 18:49:12,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-15 18:49:12,669 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-15 18:49:12,669 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-15 18:49:12,670 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-15 18:49:12,670 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-15 18:49:12,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-15 18:49:12,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-15 18:49:12,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-15 18:49:12,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-15 18:49:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 18:49:12,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 18:49:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-15 18:49:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-15 18:49:12,676 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-15 18:49:12,776 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 18:49:12,777 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 18:49:13,053 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 18:49:13,062 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 18:49:13,062 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-03-15 18:49:13,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 06:49:13 BoogieIcfgContainer [2022-03-15 18:49:13,067 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 18:49:13,068 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 18:49:13,068 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 18:49:13,070 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 18:49:13,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 06:49:12" (1/3) ... [2022-03-15 18:49:13,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6865d02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 06:49:13, skipping insertion in model container [2022-03-15 18:49:13,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 06:49:12" (2/3) ... [2022-03-15 18:49:13,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6865d02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 06:49:13, skipping insertion in model container [2022-03-15 18:49:13,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 06:49:13" (3/3) ... [2022-03-15 18:49:13,072 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-word-symm.wvr.c [2022-03-15 18:49:13,076 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 18:49:13,076 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-03-15 18:49:13,076 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-15 18:49:13,076 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 18:49:13,146 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~stop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,146 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~stop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,146 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,146 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,149 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,149 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,151 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,151 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,152 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,153 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,153 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,153 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,153 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~stop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,154 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~stop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,154 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~stop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,155 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~stop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,156 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,156 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,158 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,158 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,159 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,159 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,159 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,160 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,160 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,160 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,160 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,161 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,161 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,161 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,162 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,162 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,162 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,162 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,162 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,162 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,162 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,162 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,164 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,164 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,165 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,165 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,165 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,165 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,165 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,165 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,165 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,165 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,165 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,165 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,167 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,167 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,167 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,167 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,167 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,168 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,169 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,169 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,169 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,169 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,170 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,171 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,171 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,171 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,171 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,171 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,171 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,171 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,172 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,172 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,172 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,173 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,173 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,173 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,173 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,173 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,173 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,173 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,174 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,174 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,174 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,175 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,175 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,175 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,175 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,175 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,175 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~stop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,175 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~stop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,177 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~stop~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,177 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~stop~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,178 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,178 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,180 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,180 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,180 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,181 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,181 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,181 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,181 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,181 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,181 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~stop~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,182 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~stop~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,183 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~stop~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,184 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~stop~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,184 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,184 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,185 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,186 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,186 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,186 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,187 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,187 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,187 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,187 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,187 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,187 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,187 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,188 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,188 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,188 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,188 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,188 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,188 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,188 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,188 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,188 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,188 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,188 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,188 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,189 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,189 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,189 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,189 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,189 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,189 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,189 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,189 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,189 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,189 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,189 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,190 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,190 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,190 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,190 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,190 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,190 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,190 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,190 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,193 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,193 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,193 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,194 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,194 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,194 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,194 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,194 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,194 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,195 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,196 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,196 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,197 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,197 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,197 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,197 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,197 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,197 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,197 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,198 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,198 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,198 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,198 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,198 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,198 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,198 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,198 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~stop~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,198 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~stop~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,201 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,201 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,201 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,201 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,201 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,201 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,201 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,201 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,202 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~stop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,202 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,202 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,204 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,204 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,204 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,204 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,204 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,204 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~stop~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,204 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,205 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,205 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,205 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,205 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 18:49:13,209 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-03-15 18:49:13,248 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 18:49:13,254 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=Craig_NestedInterpolation, mInterpolantAutomaton=MCR, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=true, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-15 18:49:13,255 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-03-15 18:49:13,267 INFO L126 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-03-15 18:49:13,272 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 228 places, 246 transitions, 508 flow [2022-03-15 18:49:13,274 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 228 places, 246 transitions, 508 flow [2022-03-15 18:49:13,275 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 228 places, 246 transitions, 508 flow [2022-03-15 18:49:13,392 INFO L129 PetriNetUnfolder]: 25/244 cut-off events. [2022-03-15 18:49:13,392 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-03-15 18:49:13,399 INFO L84 FinitePrefix]: Finished finitePrefix Result has 253 conditions, 244 events. 25/244 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 312 event pairs, 0 based on Foata normal form. 0/218 useless extension candidates. Maximal degree in co-relation 163. Up to 3 conditions per place. [2022-03-15 18:49:13,404 INFO L116 LiptonReduction]: Number of co-enabled transitions 4400 [2022-03-15 18:49:19,597 INFO L131 LiptonReduction]: Checked pairs total: 5230 [2022-03-15 18:49:19,597 INFO L133 LiptonReduction]: Total number of compositions: 282 [2022-03-15 18:49:19,610 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 28 places, 28 transitions, 72 flow [2022-03-15 18:49:19,623 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 60 states, 59 states have (on average 2.7796610169491527) internal successors, (164), 59 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:49:19,625 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 59 states have (on average 2.7796610169491527) internal successors, (164), 59 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:49:19,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-03-15 18:49:19,629 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 18:49:19,629 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 18:49:19,629 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 18:49:19,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 18:49:19,632 INFO L85 PathProgramCache]: Analyzing trace with hash -603917998, now seen corresponding path program 1 times [2022-03-15 18:49:19,644 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 18:49:19,644 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404137272] [2022-03-15 18:49:19,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:49:19,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 18:49:19,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 18:49:19,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 18:49:19,815 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 18:49:19,815 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404137272] [2022-03-15 18:49:19,816 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404137272] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 18:49:19,816 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 18:49:19,816 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 18:49:19,817 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1707400624] [2022-03-15 18:49:19,817 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 18:49:19,820 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 18:49:19,829 INFO L252 McrAutomatonBuilder]: Finished intersection with 22 states and 30 transitions. [2022-03-15 18:49:19,830 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 18:49:20,092 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [355#(and (or (< ~count1~0 ~count2~0) (= ~res1~0 1) (= ~count2~0 ~count1~0)) (or (= (+ ~res1~0 1) 0) (<= ~count2~0 ~count1~0)))] [2022-03-15 18:49:20,093 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 18:49:20,094 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 18:49:20,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 18:49:20,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-15 18:49:20,109 INFO L87 Difference]: Start difference. First operand has 60 states, 59 states have (on average 2.7796610169491527) internal successors, (164), 59 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:49:20,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 18:49:20,252 INFO L93 Difference]: Finished difference Result 97 states and 221 transitions. [2022-03-15 18:49:20,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-15 18:49:20,268 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-03-15 18:49:20,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 18:49:20,273 INFO L225 Difference]: With dead ends: 97 [2022-03-15 18:49:20,274 INFO L226 Difference]: Without dead ends: 90 [2022-03-15 18:49:20,274 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-03-15 18:49:20,276 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 27 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 18:49:20,277 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 0 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 18:49:20,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2022-03-15 18:49:20,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 66. [2022-03-15 18:49:20,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 65 states have (on average 2.6307692307692307) internal successors, (171), 65 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:49:20,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 171 transitions. [2022-03-15 18:49:20,299 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 171 transitions. Word has length 13 [2022-03-15 18:49:20,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 18:49:20,299 INFO L470 AbstractCegarLoop]: Abstraction has 66 states and 171 transitions. [2022-03-15 18:49:20,300 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:49:20,300 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 171 transitions. [2022-03-15 18:49:20,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-03-15 18:49:20,300 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 18:49:20,300 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 18:49:20,301 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 18:49:20,301 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 18:49:20,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 18:49:20,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1514516396, now seen corresponding path program 1 times [2022-03-15 18:49:20,303 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 18:49:20,305 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170316378] [2022-03-15 18:49:20,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:49:20,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 18:49:20,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 18:49:20,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 18:49:20,347 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 18:49:20,347 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170316378] [2022-03-15 18:49:20,347 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170316378] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 18:49:20,348 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 18:49:20,348 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 18:49:20,348 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [546591026] [2022-03-15 18:49:20,348 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 18:49:20,349 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 18:49:20,352 INFO L252 McrAutomatonBuilder]: Finished intersection with 28 states and 42 transitions. [2022-03-15 18:49:20,352 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 18:49:20,434 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [591#(not (= ~count2~0 ~count1~0))] [2022-03-15 18:49:20,435 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 18:49:20,435 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 18:49:20,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 18:49:20,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-15 18:49:20,437 INFO L87 Difference]: Start difference. First operand 66 states and 171 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:49:20,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 18:49:20,485 INFO L93 Difference]: Finished difference Result 66 states and 151 transitions. [2022-03-15 18:49:20,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-15 18:49:20,485 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-03-15 18:49:20,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 18:49:20,487 INFO L225 Difference]: With dead ends: 66 [2022-03-15 18:49:20,487 INFO L226 Difference]: Without dead ends: 60 [2022-03-15 18:49:20,488 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 9 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-15 18:49:20,488 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 13 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 18:49:20,489 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 0 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 18:49:20,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-03-15 18:49:20,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2022-03-15 18:49:20,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 59 states have (on average 2.406779661016949) internal successors, (142), 59 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:49:20,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 142 transitions. [2022-03-15 18:49:20,504 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 142 transitions. Word has length 14 [2022-03-15 18:49:20,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 18:49:20,504 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 142 transitions. [2022-03-15 18:49:20,504 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:49:20,504 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 142 transitions. [2022-03-15 18:49:20,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-03-15 18:49:20,505 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 18:49:20,505 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 18:49:20,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-15 18:49:20,505 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 18:49:20,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 18:49:20,505 INFO L85 PathProgramCache]: Analyzing trace with hash 475898258, now seen corresponding path program 1 times [2022-03-15 18:49:20,506 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 18:49:20,507 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751723491] [2022-03-15 18:49:20,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:49:20,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 18:49:20,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 18:49:20,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 18:49:20,696 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 18:49:20,699 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751723491] [2022-03-15 18:49:20,700 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751723491] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 18:49:20,701 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 18:49:20,701 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-15 18:49:20,701 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2012514308] [2022-03-15 18:49:20,701 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 18:49:20,703 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 18:49:20,709 INFO L252 McrAutomatonBuilder]: Finished intersection with 36 states and 59 transitions. [2022-03-15 18:49:20,710 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 18:49:20,879 INFO L353 Elim1Store]: treesize reduction 12, result has 36.8 percent of original size [2022-03-15 18:49:20,879 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 14 [2022-03-15 18:49:20,903 INFO L353 Elim1Store]: treesize reduction 12, result has 36.8 percent of original size [2022-03-15 18:49:20,903 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 11 [2022-03-15 18:49:20,930 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 18:49:21,306 INFO L353 Elim1Store]: treesize reduction 12, result has 36.8 percent of original size [2022-03-15 18:49:21,306 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 14 [2022-03-15 18:49:21,324 INFO L353 Elim1Store]: treesize reduction 12, result has 36.8 percent of original size [2022-03-15 18:49:21,324 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 11 [2022-03-15 18:49:21,348 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 18:49:21,943 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 18:49:22,012 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 4 new interpolants: [789#(and (<= ~n1~0 0) (= thread2Thread1of1ForFork1_~i~1 0) (= thread2Thread1of1ForFork1_~stop~1 0)), 788#(= ~n2~0 (+ ~res2~0 ~n1~0)), 786#(and (or (= (mod thread2Thread1of1ForFork1_~stop~1 256) 0) (<= 0 (+ ~res2~0 ~res1~0))) (or (<= (+ ~res1~0 ~n2~0) ~n1~0) (not (= (mod thread2Thread1of1ForFork1_~stop~1 256) 0))) (or (<= ~n2~0 thread2Thread1of1ForFork1_~i~1) (<= ~n1~0 thread2Thread1of1ForFork1_~i~1)) (or (= (mod thread2Thread1of1ForFork1_~stop~1 256) 0) (<= (+ ~res2~0 ~res1~0) 0)) (or (<= ~n1~0 (+ ~res1~0 ~n2~0)) (not (= (mod thread2Thread1of1ForFork1_~stop~1 256) 0)))), 787#(and (<= (+ ~res1~0 ~n2~0) ~n1~0) (<= ~n1~0 (+ ~res1~0 ~n2~0)) (or (<= ~n1~0 0) (<= ~n2~0 0)))] [2022-03-15 18:49:22,012 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-15 18:49:22,012 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 18:49:22,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-15 18:49:22,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-03-15 18:49:22,015 INFO L87 Difference]: Start difference. First operand 60 states and 142 transitions. Second operand has 12 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 11 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:49:22,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 18:49:22,381 INFO L93 Difference]: Finished difference Result 134 states and 289 transitions. [2022-03-15 18:49:22,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-15 18:49:22,382 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 11 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-03-15 18:49:22,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 18:49:22,383 INFO L225 Difference]: With dead ends: 134 [2022-03-15 18:49:22,383 INFO L226 Difference]: Without dead ends: 119 [2022-03-15 18:49:22,383 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=104, Invalid=358, Unknown=0, NotChecked=0, Total=462 [2022-03-15 18:49:22,383 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 114 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 18:49:22,384 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [114 Valid, 0 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 18:49:22,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2022-03-15 18:49:22,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 109. [2022-03-15 18:49:22,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 108 states have (on average 2.314814814814815) internal successors, (250), 108 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:49:22,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 250 transitions. [2022-03-15 18:49:22,389 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 250 transitions. Word has length 15 [2022-03-15 18:49:22,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 18:49:22,389 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 250 transitions. [2022-03-15 18:49:22,389 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 11 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:49:22,389 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 250 transitions. [2022-03-15 18:49:22,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-03-15 18:49:22,390 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 18:49:22,390 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 18:49:22,390 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-15 18:49:22,390 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 18:49:22,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 18:49:22,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1225297478, now seen corresponding path program 1 times [2022-03-15 18:49:22,391 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 18:49:22,391 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880800516] [2022-03-15 18:49:22,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:49:22,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 18:49:22,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 18:49:22,542 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 18:49:22,542 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 18:49:22,542 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880800516] [2022-03-15 18:49:22,543 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880800516] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 18:49:22,543 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [38200421] [2022-03-15 18:49:22,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:49:22,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 18:49:22,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 18:49:22,544 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 18:49:22,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-15 18:49:22,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 18:49:22,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 26 conjunts are in the unsatisfiable core [2022-03-15 18:49:22,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 18:49:22,912 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 18:49:22,912 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 18:49:23,107 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 18:49:23,108 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 186 treesize of output 158 [2022-03-15 18:49:23,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 18:49:23,575 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [38200421] provided 1 perfect and 1 imperfect interpolant sequences [2022-03-15 18:49:23,575 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-03-15 18:49:23,575 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8, 8] total 24 [2022-03-15 18:49:23,576 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1276777024] [2022-03-15 18:49:23,576 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 18:49:23,577 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 18:49:23,583 INFO L252 McrAutomatonBuilder]: Finished intersection with 37 states and 60 transitions. [2022-03-15 18:49:23,583 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 18:49:23,778 INFO L353 Elim1Store]: treesize reduction 12, result has 36.8 percent of original size [2022-03-15 18:49:23,778 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 11 [2022-03-15 18:49:23,830 INFO L353 Elim1Store]: treesize reduction 12, result has 36.8 percent of original size [2022-03-15 18:49:23,830 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 14 [2022-03-15 18:49:24,389 INFO L353 Elim1Store]: treesize reduction 12, result has 36.8 percent of original size [2022-03-15 18:49:24,390 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 11 [2022-03-15 18:49:24,456 INFO L353 Elim1Store]: treesize reduction 12, result has 36.8 percent of original size [2022-03-15 18:49:24,456 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 14 [2022-03-15 18:49:25,417 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 18:49:25,816 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 4 new interpolants: [1279#(and (or (= ~res1~0 0) (< ~n2~0 ~n1~0)) (<= ~n2~0 0) (or (= ~n2~0 ~n1~0) (< 0 ~res1~0))), 1281#(and (or (= ~n2~0 ~n1~0) (< ~n2~0 ~n1~0)) (<= ~n2~0 thread2Thread1of1ForFork1_~i~1) (or (= (mod thread2Thread1of1ForFork1_~stop~1 256) 0) (= ~res2~0 0) (< ~n2~0 ~n1~0)) (or (= (mod thread2Thread1of1ForFork1_~stop~1 256) 0) (= (+ ~n1~0 (* (- 1) ~n2~0)) 0) (< ~res2~0 0))), 1280#(and (or (= (+ ~n1~0 (* (- 1) ~n2~0)) 0) (< ~res2~0 0)) (or (= ~res2~0 0) (< ~n2~0 ~n1~0))), 1278#(and (or (= (mod thread2Thread1of1ForFork1_~stop~1 256) 0) (< 0 ~res1~0) (= ~res2~0 0)) (or (= ~res1~0 0) (not (= (mod thread2Thread1of1ForFork1_~stop~1 256) 0)) (< ~n2~0 ~n1~0)) (or (<= ~n2~0 thread2Thread1of1ForFork1_~i~1) (<= ~n1~0 thread2Thread1of1ForFork1_~i~1)) (or (= (mod thread2Thread1of1ForFork1_~stop~1 256) 0) (= ~res1~0 0) (< ~res2~0 0)) (or (= ~n2~0 ~n1~0) (< 0 ~res1~0) (not (= (mod thread2Thread1of1ForFork1_~stop~1 256) 0))))] [2022-03-15 18:49:25,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-03-15 18:49:25,816 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 18:49:25,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-03-15 18:49:25,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=731, Unknown=0, NotChecked=0, Total=870 [2022-03-15 18:49:25,817 INFO L87 Difference]: Start difference. First operand 109 states and 250 transitions. Second operand has 14 states, 13 states have (on average 3.076923076923077) internal successors, (40), 13 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:49:26,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 18:49:26,762 INFO L93 Difference]: Finished difference Result 230 states and 501 transitions. [2022-03-15 18:49:26,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-15 18:49:26,762 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.076923076923077) internal successors, (40), 13 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-03-15 18:49:26,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 18:49:26,763 INFO L225 Difference]: With dead ends: 230 [2022-03-15 18:49:26,763 INFO L226 Difference]: Without dead ends: 215 [2022-03-15 18:49:26,764 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 24 SyntacticMatches, 6 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 506 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=311, Invalid=1495, Unknown=0, NotChecked=0, Total=1806 [2022-03-15 18:49:26,765 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 239 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-15 18:49:26,766 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [239 Valid, 0 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 408 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-15 18:49:26,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2022-03-15 18:49:26,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 110. [2022-03-15 18:49:26,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 109 states have (on average 2.311926605504587) internal successors, (252), 109 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:49:26,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 252 transitions. [2022-03-15 18:49:26,771 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 252 transitions. Word has length 16 [2022-03-15 18:49:26,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 18:49:26,771 INFO L470 AbstractCegarLoop]: Abstraction has 110 states and 252 transitions. [2022-03-15 18:49:26,771 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.076923076923077) internal successors, (40), 13 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:49:26,771 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 252 transitions. [2022-03-15 18:49:26,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-03-15 18:49:26,772 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 18:49:26,772 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 18:49:26,793 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-03-15 18:49:26,993 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 18:49:26,994 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 18:49:26,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 18:49:26,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1386950044, now seen corresponding path program 1 times [2022-03-15 18:49:26,995 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 18:49:26,995 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441359954] [2022-03-15 18:49:26,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:49:26,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 18:49:27,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 18:49:27,077 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 18:49:27,077 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 18:49:27,077 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441359954] [2022-03-15 18:49:27,077 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441359954] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 18:49:27,077 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1262829148] [2022-03-15 18:49:27,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:49:27,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 18:49:27,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 18:49:27,079 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 18:49:27,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-15 18:49:27,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 18:49:27,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 10 conjunts are in the unsatisfiable core [2022-03-15 18:49:27,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 18:49:27,270 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 18:49:27,270 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 18:49:27,360 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 18:49:27,361 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1262829148] provided 1 perfect and 1 imperfect interpolant sequences [2022-03-15 18:49:27,361 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-03-15 18:49:27,361 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6, 6] total 13 [2022-03-15 18:49:27,361 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1805353330] [2022-03-15 18:49:27,361 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 18:49:27,363 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 18:49:27,368 INFO L252 McrAutomatonBuilder]: Finished intersection with 38 states and 61 transitions. [2022-03-15 18:49:27,368 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 18:49:27,581 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 18:49:27,582 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-15 18:49:27,582 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 18:49:27,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-15 18:49:27,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2022-03-15 18:49:27,582 INFO L87 Difference]: Start difference. First operand 110 states and 252 transitions. Second operand has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:49:27,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 18:49:27,762 INFO L93 Difference]: Finished difference Result 201 states and 422 transitions. [2022-03-15 18:49:27,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-15 18:49:27,762 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-03-15 18:49:27,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 18:49:27,763 INFO L225 Difference]: With dead ends: 201 [2022-03-15 18:49:27,763 INFO L226 Difference]: Without dead ends: 201 [2022-03-15 18:49:27,763 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 42 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2022-03-15 18:49:27,764 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 52 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 18:49:27,764 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 0 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 18:49:27,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2022-03-15 18:49:27,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 118. [2022-03-15 18:49:27,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 117 states have (on average 2.3162393162393164) internal successors, (271), 117 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:49:27,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 271 transitions. [2022-03-15 18:49:27,770 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 271 transitions. Word has length 17 [2022-03-15 18:49:27,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 18:49:27,770 INFO L470 AbstractCegarLoop]: Abstraction has 118 states and 271 transitions. [2022-03-15 18:49:27,770 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:49:27,770 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 271 transitions. [2022-03-15 18:49:27,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-03-15 18:49:27,771 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 18:49:27,771 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 18:49:27,805 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-15 18:49:27,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 18:49:27,991 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 18:49:27,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 18:49:27,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1121585359, now seen corresponding path program 1 times [2022-03-15 18:49:27,992 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 18:49:27,992 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58882787] [2022-03-15 18:49:27,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:49:27,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 18:49:28,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 18:49:28,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 18:49:28,044 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 18:49:28,044 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58882787] [2022-03-15 18:49:28,044 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58882787] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 18:49:28,044 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 18:49:28,044 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-15 18:49:28,044 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [187695065] [2022-03-15 18:49:28,044 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 18:49:28,046 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 18:49:28,054 INFO L252 McrAutomatonBuilder]: Finished intersection with 56 states and 102 transitions. [2022-03-15 18:49:28,054 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 18:49:28,339 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 18:49:28,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 18:49:28,339 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 18:49:28,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 18:49:28,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-15 18:49:28,340 INFO L87 Difference]: Start difference. First operand 118 states and 271 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:49:28,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 18:49:28,394 INFO L93 Difference]: Finished difference Result 135 states and 298 transitions. [2022-03-15 18:49:28,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-15 18:49:28,394 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-03-15 18:49:28,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 18:49:28,395 INFO L225 Difference]: With dead ends: 135 [2022-03-15 18:49:28,395 INFO L226 Difference]: Without dead ends: 117 [2022-03-15 18:49:28,395 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-15 18:49:28,395 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 2 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 18:49:28,396 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 0 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 18:49:28,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2022-03-15 18:49:28,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2022-03-15 18:49:28,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 116 states have (on average 2.310344827586207) internal successors, (268), 116 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:49:28,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 268 transitions. [2022-03-15 18:49:28,399 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 268 transitions. Word has length 18 [2022-03-15 18:49:28,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 18:49:28,399 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 268 transitions. [2022-03-15 18:49:28,400 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:49:28,400 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 268 transitions. [2022-03-15 18:49:28,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-03-15 18:49:28,400 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 18:49:28,400 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 18:49:28,400 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-15 18:49:28,401 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 18:49:28,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 18:49:28,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1233743771, now seen corresponding path program 1 times [2022-03-15 18:49:28,403 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 18:49:28,404 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796846212] [2022-03-15 18:49:28,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:49:28,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 18:49:28,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 18:49:28,466 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-15 18:49:28,466 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 18:49:28,466 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796846212] [2022-03-15 18:49:28,466 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796846212] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 18:49:28,466 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 18:49:28,466 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 18:49:28,467 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [662625205] [2022-03-15 18:49:28,467 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 18:49:28,470 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 18:49:28,480 INFO L252 McrAutomatonBuilder]: Finished intersection with 57 states and 103 transitions. [2022-03-15 18:49:28,480 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 18:49:28,777 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 18:49:28,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 18:49:28,777 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 18:49:28,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 18:49:28,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-15 18:49:28,778 INFO L87 Difference]: Start difference. First operand 117 states and 268 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:49:28,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 18:49:28,846 INFO L93 Difference]: Finished difference Result 87 states and 191 transitions. [2022-03-15 18:49:28,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-15 18:49:28,846 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-03-15 18:49:28,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 18:49:28,847 INFO L225 Difference]: With dead ends: 87 [2022-03-15 18:49:28,847 INFO L226 Difference]: Without dead ends: 70 [2022-03-15 18:49:28,847 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-03-15 18:49:28,848 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 9 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 18:49:28,849 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 0 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 18:49:28,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-03-15 18:49:28,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2022-03-15 18:49:28,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 69 states have (on average 2.36231884057971) internal successors, (163), 69 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:49:28,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 163 transitions. [2022-03-15 18:49:28,865 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 163 transitions. Word has length 19 [2022-03-15 18:49:28,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 18:49:28,865 INFO L470 AbstractCegarLoop]: Abstraction has 70 states and 163 transitions. [2022-03-15 18:49:28,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:49:28,865 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 163 transitions. [2022-03-15 18:49:28,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-03-15 18:49:28,866 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 18:49:28,866 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 18:49:28,866 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-15 18:49:28,866 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 18:49:28,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 18:49:28,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1677896801, now seen corresponding path program 1 times [2022-03-15 18:49:28,870 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 18:49:28,870 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907095182] [2022-03-15 18:49:28,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:49:28,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 18:49:28,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 18:49:29,065 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 18:49:29,066 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 18:49:29,066 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907095182] [2022-03-15 18:49:29,066 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907095182] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 18:49:29,066 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1664361275] [2022-03-15 18:49:29,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:49:29,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 18:49:29,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 18:49:29,067 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 18:49:29,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-15 18:49:29,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 18:49:29,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 39 conjunts are in the unsatisfiable core [2022-03-15 18:49:29,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 18:49:29,228 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-03-15 18:49:29,263 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-03-15 18:49:29,302 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-03-15 18:49:29,855 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 18:49:29,855 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 18:49:30,349 WARN L838 $PredicateComparison]: unable to prove that (forall ((~get1~0.base Int)) (let ((.cse2 (select |c_#memory_int| ~get1~0.base)) (.cse0 (select |c_#memory_int| c_~get2~0.base))) (or (and (< c_thread2Thread1of1ForFork1_~i~1 c_~n2~0) (let ((.cse1 (* c_thread2Thread1of1ForFork1_~i~1 4))) (= (select .cse0 (+ c_~get2~0.offset .cse1)) (select .cse2 (+ .cse1 c_~get1~0.offset)))) (< c_thread2Thread1of1ForFork1_~i~1 c_~n1~0)) (not (let ((.cse3 (* c_thread1Thread1of1ForFork0_~i~0 4))) (= (select .cse2 (+ c_~get1~0.offset .cse3)) (select .cse0 (+ c_~get2~0.offset .cse3)))))))) is different from false [2022-03-15 18:49:30,528 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 18:49:30,529 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 37 [2022-03-15 18:49:30,538 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 18:49:30,538 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1206 treesize of output 1090 [2022-03-15 18:49:30,549 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 18:49:30,549 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1078 treesize of output 1023 [2022-03-15 18:49:30,560 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 18:49:30,560 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1014 treesize of output 895 [2022-03-15 18:49:30,803 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 18:49:30,803 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1664361275] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 18:49:30,803 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 18:49:30,804 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 11] total 26 [2022-03-15 18:49:30,804 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1818022643] [2022-03-15 18:49:30,804 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 18:49:30,806 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 18:49:30,813 INFO L252 McrAutomatonBuilder]: Finished intersection with 51 states and 89 transitions. [2022-03-15 18:49:30,813 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 18:49:32,000 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 6 new interpolants: [3062#(and (< 0 ~n1~0) (< 0 ~n2~0) (= (select (select |#memory_int| ~get1~0.base) ~get1~0.offset) (select (select |#memory_int| ~get2~0.base) ~get2~0.offset))), 3059#(and (= ~get1~0.offset 0) (not (= (select (select |#memory_int| ~get1~0.base) ~get1~0.offset) (select (select |#memory_int| ~get2~0.base) ~get2~0.offset))) (= ~get2~0.offset 0)), 3063#(and (or (= thread1Thread1of1ForFork0_~i~0 0) (= (select (select |#memory_int| ~get1~0.base) ~get1~0.offset) (select (select |#memory_int| ~get2~0.base) ~get2~0.offset))) (or (= ~get2~0.offset 0) (= (select (select |#memory_int| ~get1~0.base) ~get1~0.offset) (select (select |#memory_int| ~get2~0.base) ~get2~0.offset))) (or (not (= (select (select |#memory_int| ~get2~0.base) (+ ~get2~0.offset (* thread1Thread1of1ForFork0_~i~0 4))) |thread1Thread1of1ForFork0_#t~mem2|)) (= (select (select |#memory_int| ~get1~0.base) ~get1~0.offset) (select (select |#memory_int| ~get2~0.base) ~get2~0.offset))) (or (= thread1Thread1of1ForFork0_~i~0 0) (< 0 ~n2~0)) (or (< 0 ~n2~0) (= ~get2~0.offset 0)) (or (< 0 ~n1~0) (not (= (select (select |#memory_int| ~get2~0.base) (+ ~get2~0.offset (* thread1Thread1of1ForFork0_~i~0 4))) |thread1Thread1of1ForFork0_#t~mem2|))) (or (< 0 ~n2~0) (not (= (select (select |#memory_int| ~get2~0.base) (+ ~get2~0.offset (* thread1Thread1of1ForFork0_~i~0 4))) |thread1Thread1of1ForFork0_#t~mem2|))) (or (< 0 ~n1~0) (= thread1Thread1of1ForFork0_~i~0 0)) (or (< 0 ~n1~0) (= ~get2~0.offset 0))), 3060#(and (= ~get1~0.offset 0) (<= 1 ~n1~0) (<= 1 ~n2~0) (= thread2Thread1of1ForFork1_~i~1 0) (= ~get2~0.offset 0)), 3061#(and (or (= (select (select |#memory_int| ~get1~0.base) (+ ~get1~0.offset (* thread2Thread1of1ForFork1_~i~1 4))) (select (select |#memory_int| ~get2~0.base) (+ ~get2~0.offset (* thread2Thread1of1ForFork1_~i~1 4)))) (= thread1Thread1of1ForFork0_~i~0 0)) (or (< thread2Thread1of1ForFork1_~i~1 ~n2~0) (not (= (select (select |#memory_int| ~get2~0.base) (+ ~get2~0.offset (* thread1Thread1of1ForFork0_~i~0 4))) |thread1Thread1of1ForFork0_#t~mem2|))) (or (< thread2Thread1of1ForFork1_~i~1 ~n2~0) (= thread1Thread1of1ForFork0_~i~0 0)) (or (= (select (select |#memory_int| ~get1~0.base) (+ ~get1~0.offset (* thread2Thread1of1ForFork1_~i~1 4))) (select (select |#memory_int| ~get2~0.base) (+ ~get2~0.offset (* thread2Thread1of1ForFork1_~i~1 4)))) (= ~get2~0.offset 0)) (or (< thread2Thread1of1ForFork1_~i~1 ~n2~0) (= ~get2~0.offset 0)) (or (< thread2Thread1of1ForFork1_~i~1 ~n1~0) (= ~get2~0.offset 0)) (or (< thread2Thread1of1ForFork1_~i~1 ~n1~0) (not (= (select (select |#memory_int| ~get2~0.base) (+ ~get2~0.offset (* thread1Thread1of1ForFork0_~i~0 4))) |thread1Thread1of1ForFork0_#t~mem2|))) (or (= (select (select |#memory_int| ~get1~0.base) (+ ~get1~0.offset (* thread2Thread1of1ForFork1_~i~1 4))) (select (select |#memory_int| ~get2~0.base) (+ ~get2~0.offset (* thread2Thread1of1ForFork1_~i~1 4)))) (not (= (select (select |#memory_int| ~get2~0.base) (+ ~get2~0.offset (* thread1Thread1of1ForFork0_~i~0 4))) |thread1Thread1of1ForFork0_#t~mem2|))) (or (< thread2Thread1of1ForFork1_~i~1 ~n1~0) (= thread1Thread1of1ForFork0_~i~0 0))), 3058#(and (= (select (select |#memory_int| ~get1~0.base) (+ ~get1~0.offset (* thread2Thread1of1ForFork1_~i~1 4))) (select (select |#memory_int| ~get2~0.base) (+ ~get2~0.offset (* thread2Thread1of1ForFork1_~i~1 4)))) (< thread2Thread1of1ForFork1_~i~1 ~n2~0) (< thread2Thread1of1ForFork1_~i~1 ~n1~0))] [2022-03-15 18:49:32,001 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-15 18:49:32,001 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 18:49:32,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-15 18:49:32,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=840, Unknown=12, NotChecked=60, Total=1056 [2022-03-15 18:49:32,002 INFO L87 Difference]: Start difference. First operand 70 states and 163 transitions. Second operand has 17 states, 17 states have (on average 3.0588235294117645) internal successors, (52), 16 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:49:33,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 18:49:33,447 INFO L93 Difference]: Finished difference Result 213 states and 509 transitions. [2022-03-15 18:49:33,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-15 18:49:33,447 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.0588235294117645) internal successors, (52), 16 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-03-15 18:49:33,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 18:49:33,448 INFO L225 Difference]: With dead ends: 213 [2022-03-15 18:49:33,448 INFO L226 Difference]: Without dead ends: 213 [2022-03-15 18:49:33,449 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 44 SyntacticMatches, 2 SemanticMatches, 46 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 257 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=415, Invalid=1738, Unknown=13, NotChecked=90, Total=2256 [2022-03-15 18:49:33,449 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 167 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 1088 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1088 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-15 18:49:33,449 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [167 Valid, 0 Invalid, 1110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1088 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-15 18:49:33,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2022-03-15 18:49:33,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 114. [2022-03-15 18:49:33,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 113 states have (on average 2.4601769911504423) internal successors, (278), 113 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:49:33,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 278 transitions. [2022-03-15 18:49:33,453 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 278 transitions. Word has length 19 [2022-03-15 18:49:33,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 18:49:33,453 INFO L470 AbstractCegarLoop]: Abstraction has 114 states and 278 transitions. [2022-03-15 18:49:33,453 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.0588235294117645) internal successors, (52), 16 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:49:33,453 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 278 transitions. [2022-03-15 18:49:33,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-03-15 18:49:33,454 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 18:49:33,454 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 18:49:33,471 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-15 18:49:33,667 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 18:49:33,667 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-15 18:49:33,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 18:49:33,668 INFO L85 PathProgramCache]: Analyzing trace with hash -152328641, now seen corresponding path program 2 times [2022-03-15 18:49:33,672 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 18:49:33,672 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137509026] [2022-03-15 18:49:33,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:49:33,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 18:49:33,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 18:49:33,971 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 18:49:33,971 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 18:49:33,971 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137509026] [2022-03-15 18:49:33,972 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137509026] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 18:49:33,972 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1519168087] [2022-03-15 18:49:33,972 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-15 18:49:33,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 18:49:33,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 18:49:33,973 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 18:49:33,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-15 18:49:34,048 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-15 18:49:34,048 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 18:49:34,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 43 conjunts are in the unsatisfiable core [2022-03-15 18:49:34,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 18:49:34,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 18:49:34,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 18:49:34,075 INFO L353 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-03-15 18:49:34,075 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 20 [2022-03-15 18:49:34,122 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-03-15 18:49:34,161 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-03-15 18:49:34,161 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-03-15 18:49:34,217 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-03-15 18:49:34,259 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-03-15 18:49:34,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 18:49:34,376 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-03-15 18:49:34,514 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 18:49:34,514 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 18:49:34,679 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_237 (Array Int Int)) (~get2~0.base Int)) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_237))) (let ((.cse1 (select .cse0 ~get2~0.base))) (or (and (= (select (select .cse0 c_~get1~0.base) c_~get1~0.offset) (select .cse1 c_~get2~0.offset)) (< 0 c_~n1~0) (< 0 c_~n2~0)) (not (= |c_thread1Thread1of1ForFork0_#t~mem2| (select .cse1 (+ c_~get2~0.offset (* c_thread1Thread1of1ForFork0_~i~0 4))))))))) is different from false [2022-03-15 18:49:34,700 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_237 (Array Int Int)) (~get2~0.base Int)) (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_237))) (let ((.cse1 (select .cse2 ~get2~0.base))) (or (not (let ((.cse0 (* c_thread1Thread1of1ForFork0_~i~0 4))) (= (select (select |c_#memory_int| c_~get1~0.base) (+ c_~get1~0.offset .cse0)) (select .cse1 (+ c_~get2~0.offset .cse0))))) (and (= (select (select .cse2 c_~get1~0.base) c_~get1~0.offset) (select .cse1 c_~get2~0.offset)) (< 0 c_~n1~0) (< 0 c_~n2~0)))))) is different from false [2022-03-15 18:49:34,721 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_237 (Array Int Int)) (~get2~0.base Int)) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_237))) (let ((.cse1 (select (select .cse0 ~get2~0.base) c_~get2~0.offset))) (or (and (= (select (select .cse0 c_~get1~0.base) c_~get1~0.offset) .cse1) (< 0 c_~n1~0) (< 0 c_~n2~0)) (not (= .cse1 (select (select |c_#memory_int| c_~get1~0.base) c_~get1~0.offset))))))) is different from false [2022-03-15 18:49:34,760 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_237 (Array Int Int)) (~get2~0.base Int) (v_ArrVal_236 (Array Int Int))) (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_236))) (let ((.cse1 (store .cse2 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_237))) (let ((.cse0 (select (select .cse1 ~get2~0.base) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (or (and (< 0 c_~n1~0) (< 0 c_~n2~0) (= .cse0 (select (select .cse1 c_~get1~0.base) c_~get1~0.offset))) (not (= (select (select .cse2 c_~get1~0.base) c_~get1~0.offset) .cse0))))))) is different from false [2022-03-15 18:49:34,788 WARN L838 $PredicateComparison]: unable to prove that (or (not (< |c_ULTIMATE.start_create_fresh_int_array_~i~2#1| |c_ULTIMATE.start_create_fresh_int_array_~size#1|)) (forall ((v_ArrVal_237 (Array Int Int)) (~get2~0.base Int) (v_ArrVal_236 (Array Int Int)) (v_ArrVal_235 (Array Int Int))) (let ((.cse2 (store (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_235) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_236))) (let ((.cse1 (store .cse2 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_237))) (let ((.cse0 (select (select .cse1 ~get2~0.base) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (or (and (< 0 c_~n1~0) (< 0 c_~n2~0) (= .cse0 (select (select .cse1 c_~get1~0.base) c_~get1~0.offset))) (not (= .cse0 (select (select .cse2 c_~get1~0.base) c_~get1~0.offset))))))))) is different from false [2022-03-15 18:49:34,862 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 18:49:34,863 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 109 treesize of output 73 [2022-03-15 18:49:34,874 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 18:49:34,875 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 5665 treesize of output 5324 [2022-03-15 18:49:34,906 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 18:49:34,907 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 5313 treesize of output 4745 [2022-03-15 18:49:34,934 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 18:49:34,935 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 4737 treesize of output 4569 [2022-03-15 18:49:34,972 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 18:49:34,973 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 4561 treesize of output 4217 [2022-03-15 18:49:34,993 WARN L325 FreeRefinementEngine]: Global settings require throwing the following exception [2022-03-15 18:49:35,011 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-15 18:49:35,207 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 18:49:35,208 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.ArithmeticException: BigInteger out of long range at java.base/java.math.BigInteger.longValueExact(BigInteger.java:4765) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.computeDerApplicabilityScore(QuantifierPusher.java:685) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.selectBestEliminatee(QuantifierPusher.java:668) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.doit(QuantifierPusher.java:604) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:446) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:355) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:172) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:261) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:247) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:92) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:342) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:227) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:156) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-03-15 18:49:35,209 INFO L158 Benchmark]: Toolchain (without parser) took 23024.55ms. Allocated memory was 192.9MB in the beginning and 299.9MB in the end (delta: 107.0MB). Free memory was 142.7MB in the beginning and 218.9MB in the end (delta: -76.2MB). Peak memory consumption was 154.2MB. Max. memory is 8.0GB. [2022-03-15 18:49:35,209 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 192.9MB. Free memory is still 159.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 18:49:35,209 INFO L158 Benchmark]: CACSL2BoogieTranslator took 327.24ms. Allocated memory is still 192.9MB. Free memory was 142.6MB in the beginning and 166.6MB in the end (delta: -24.1MB). Peak memory consumption was 12.5MB. Max. memory is 8.0GB. [2022-03-15 18:49:35,210 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.28ms. Allocated memory is still 192.9MB. Free memory was 166.6MB in the beginning and 164.9MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-15 18:49:35,210 INFO L158 Benchmark]: Boogie Preprocessor took 44.77ms. Allocated memory is still 192.9MB. Free memory was 164.9MB in the beginning and 163.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-15 18:49:35,210 INFO L158 Benchmark]: RCFGBuilder took 461.18ms. Allocated memory is still 192.9MB. Free memory was 163.1MB in the beginning and 145.3MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2022-03-15 18:49:35,210 INFO L158 Benchmark]: TraceAbstraction took 22141.17ms. Allocated memory was 192.9MB in the beginning and 299.9MB in the end (delta: 107.0MB). Free memory was 145.0MB in the beginning and 218.9MB in the end (delta: -73.9MB). Peak memory consumption was 157.3MB. Max. memory is 8.0GB. [2022-03-15 18:49:35,211 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 192.9MB. Free memory is still 159.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 327.24ms. Allocated memory is still 192.9MB. Free memory was 142.6MB in the beginning and 166.6MB in the end (delta: -24.1MB). Peak memory consumption was 12.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 44.28ms. Allocated memory is still 192.9MB. Free memory was 166.6MB in the beginning and 164.9MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 44.77ms. Allocated memory is still 192.9MB. Free memory was 164.9MB in the beginning and 163.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 461.18ms. Allocated memory is still 192.9MB. Free memory was 163.1MB in the beginning and 145.3MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 22141.17ms. Allocated memory was 192.9MB in the beginning and 299.9MB in the end (delta: 107.0MB). Free memory was 145.0MB in the beginning and 218.9MB in the end (delta: -73.9MB). Peak memory consumption was 157.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.3s, 228 PlacesBefore, 28 PlacesAfterwards, 246 TransitionsBefore, 28 TransitionsAfterwards, 4400 CoEnabledTransitionPairs, 8 FixpointIterations, 139 TrivialSequentialCompositions, 71 ConcurrentSequentialCompositions, 31 TrivialYvCompositions, 23 ConcurrentYvCompositions, 18 ChoiceCompositions, 282 TotalNumberOfCompositions, 5230 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4265, positive: 4176, positive conditional: 0, positive unconditional: 4176, negative: 89, negative conditional: 0, negative unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2602, positive: 2583, positive conditional: 0, positive unconditional: 2583, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4265, positive: 1593, positive conditional: 0, positive unconditional: 1593, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 2602, unknown conditional: 0, unknown unconditional: 2602] , Statistics on independence cache: Total cache size (in pairs): 45, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5 - ExceptionOrErrorResult: ArithmeticException: BigInteger out of long range de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: ArithmeticException: BigInteger out of long range: java.base/java.math.BigInteger.longValueExact(BigInteger.java:4765) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-03-15 18:49:35,242 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...