/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-1.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-18 14:26:13,095 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-18 14:26:13,096 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-18 14:26:13,131 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-18 14:26:13,131 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-18 14:26:13,133 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-18 14:26:13,135 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-18 14:26:13,137 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-18 14:26:13,139 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-18 14:26:13,142 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-18 14:26:13,143 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-18 14:26:13,144 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-18 14:26:13,144 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-18 14:26:13,145 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-18 14:26:13,146 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-18 14:26:13,148 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-18 14:26:13,149 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-18 14:26:13,149 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-18 14:26:13,151 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-18 14:26:13,155 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-18 14:26:13,156 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-18 14:26:13,157 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-18 14:26:13,158 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-18 14:26:13,158 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-18 14:26:13,163 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-18 14:26:13,165 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-18 14:26:13,166 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-18 14:26:13,167 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-18 14:26:13,168 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-18 14:26:13,168 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-18 14:26:13,168 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-18 14:26:13,169 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-18 14:26:13,169 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-18 14:26:13,169 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-18 14:26:13,169 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-18 14:26:13,170 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-18 14:26:13,170 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-02-18 14:26:13,196 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-18 14:26:13,196 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-18 14:26:13,196 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-18 14:26:13,196 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-18 14:26:13,197 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-18 14:26:13,197 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-18 14:26:13,198 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-18 14:26:13,198 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-18 14:26:13,198 INFO L138 SettingsManager]: * Use SBE=true [2022-02-18 14:26:13,198 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-18 14:26:13,198 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-18 14:26:13,199 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-18 14:26:13,199 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-18 14:26:13,199 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-18 14:26:13,199 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-18 14:26:13,199 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-18 14:26:13,199 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-18 14:26:13,199 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-18 14:26:13,199 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-18 14:26:13,199 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-18 14:26:13,199 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-18 14:26:13,199 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-18 14:26:13,199 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-18 14:26:13,200 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-18 14:26:13,200 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-18 14:26:13,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-18 14:26:13,200 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-18 14:26:13,200 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-18 14:26:13,200 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-18 14:26:13,200 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-18 14:26:13,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-18 14:26:13,200 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-18 14:26:13,200 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-18 14:26:13,201 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-18 14:26:13,393 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-18 14:26:13,406 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-18 14:26:13,408 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-18 14:26:13,409 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-18 14:26:13,409 INFO L275 PluginConnector]: CDTParser initialized [2022-02-18 14:26:13,410 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-1.wvr.c [2022-02-18 14:26:13,463 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f52426ac5/f17067d3822448488987b29be2d17d4a/FLAGf8408fef5 [2022-02-18 14:26:13,822 INFO L306 CDTParser]: Found 1 translation units. [2022-02-18 14:26:13,823 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-1.wvr.c [2022-02-18 14:26:13,827 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f52426ac5/f17067d3822448488987b29be2d17d4a/FLAGf8408fef5 [2022-02-18 14:26:13,841 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f52426ac5/f17067d3822448488987b29be2d17d4a [2022-02-18 14:26:13,842 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-18 14:26:13,843 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-18 14:26:13,844 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-18 14:26:13,845 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-18 14:26:13,857 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-18 14:26:13,858 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 02:26:13" (1/1) ... [2022-02-18 14:26:13,858 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@728bee28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:26:13, skipping insertion in model container [2022-02-18 14:26:13,859 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 02:26:13" (1/1) ... [2022-02-18 14:26:13,872 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-18 14:26:13,896 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-18 14:26:14,033 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/parallel-parallel-sum-1.wvr.c[3642,3655] [2022-02-18 14:26:14,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-18 14:26:14,045 INFO L203 MainTranslator]: Completed pre-run [2022-02-18 14:26:14,061 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/parallel-parallel-sum-1.wvr.c[3642,3655] [2022-02-18 14:26:14,065 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-18 14:26:14,075 INFO L208 MainTranslator]: Completed translation [2022-02-18 14:26:14,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:26:14 WrapperNode [2022-02-18 14:26:14,076 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-18 14:26:14,077 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-18 14:26:14,077 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-18 14:26:14,077 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-18 14:26:14,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:26:14" (1/1) ... [2022-02-18 14:26:14,101 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:26:14" (1/1) ... [2022-02-18 14:26:14,129 INFO L137 Inliner]: procedures = 27, calls = 68, calls flagged for inlining = 18, calls inlined = 24, statements flattened = 297 [2022-02-18 14:26:14,130 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-18 14:26:14,130 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-18 14:26:14,130 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-18 14:26:14,131 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-18 14:26:14,136 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:26:14" (1/1) ... [2022-02-18 14:26:14,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:26:14" (1/1) ... [2022-02-18 14:26:14,139 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:26:14" (1/1) ... [2022-02-18 14:26:14,139 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:26:14" (1/1) ... [2022-02-18 14:26:14,161 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:26:14" (1/1) ... [2022-02-18 14:26:14,165 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:26:14" (1/1) ... [2022-02-18 14:26:14,166 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:26:14" (1/1) ... [2022-02-18 14:26:14,169 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-18 14:26:14,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-18 14:26:14,170 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-18 14:26:14,170 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-18 14:26:14,170 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:26:14" (1/1) ... [2022-02-18 14:26:14,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-18 14:26:14,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 14:26:14,203 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) [2022-02-18 14:26:14,210 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 [2022-02-18 14:26:14,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-18 14:26:14,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-18 14:26:14,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-18 14:26:14,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-18 14:26:14,233 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-18 14:26:14,233 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-18 14:26:14,233 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-18 14:26:14,233 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-18 14:26:14,233 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-18 14:26:14,233 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-18 14:26:14,233 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-02-18 14:26:14,233 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-02-18 14:26:14,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-18 14:26:14,234 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-18 14:26:14,234 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-18 14:26:14,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-18 14:26:14,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-18 14:26:14,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-18 14:26:14,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-18 14:26:14,235 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-18 14:26:14,301 INFO L234 CfgBuilder]: Building ICFG [2022-02-18 14:26:14,302 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-18 14:26:14,590 INFO L275 CfgBuilder]: Performing block encoding [2022-02-18 14:26:14,686 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-18 14:26:14,686 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2022-02-18 14:26:14,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 02:26:14 BoogieIcfgContainer [2022-02-18 14:26:14,688 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-18 14:26:14,689 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-18 14:26:14,689 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-18 14:26:14,692 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-18 14:26:14,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.02 02:26:13" (1/3) ... [2022-02-18 14:26:14,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72950249 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 02:26:14, skipping insertion in model container [2022-02-18 14:26:14,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 02:26:14" (2/3) ... [2022-02-18 14:26:14,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72950249 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 02:26:14, skipping insertion in model container [2022-02-18 14:26:14,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 02:26:14" (3/3) ... [2022-02-18 14:26:14,694 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-1.wvr.c [2022-02-18 14:26:14,698 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-18 14:26:14,698 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-18 14:26:14,698 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-18 14:26:14,699 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-18 14:26:14,743 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,744 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,744 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,744 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,744 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,744 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,745 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,745 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,745 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,745 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,746 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,746 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,746 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,746 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,746 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,746 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,747 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,747 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,747 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,747 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,748 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,748 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,749 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,749 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,749 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,749 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,749 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,749 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,779 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,794 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,794 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,794 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,794 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,794 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,795 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,795 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,795 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,796 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,796 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,796 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,796 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,796 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,796 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,796 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,797 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,797 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,797 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,797 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,797 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,797 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,797 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,797 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,797 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,798 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,798 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,798 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,798 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,798 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,798 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,798 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,798 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,798 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,798 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,799 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,799 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,807 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,807 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,807 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,807 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,807 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,808 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,808 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,809 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,809 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,810 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,810 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,810 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,810 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,810 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,811 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,811 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,811 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,811 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,812 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,812 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,814 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,818 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,818 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,818 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,819 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,819 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,819 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,819 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,819 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,819 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,819 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,819 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,819 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,819 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,819 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,820 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,820 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,820 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,820 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,820 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,820 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,820 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,820 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,822 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,822 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,822 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,822 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,823 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,823 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,823 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,823 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,823 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,823 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,823 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,823 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,823 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,823 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,824 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,824 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,824 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,824 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,824 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,824 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,825 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,825 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,825 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,825 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,825 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,825 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,825 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,825 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,826 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,826 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,826 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,826 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,826 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,826 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,826 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,826 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,831 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,832 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,832 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,832 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,832 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,832 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,833 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,833 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,834 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,834 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,834 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,834 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,834 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,835 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,835 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,835 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,835 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,835 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,835 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,836 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,836 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,836 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,836 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,836 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,836 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,836 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,837 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,837 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,837 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,837 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,837 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,837 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,837 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,837 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,837 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,837 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,837 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,838 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,838 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,838 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,838 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,838 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,838 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,838 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,838 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,839 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,839 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,839 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,839 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,839 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,839 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,839 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 14:26:14,842 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-02-18 14:26:14,880 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-18 14:26:14,885 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, 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=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-02-18 14:26:14,885 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-02-18 14:26:14,894 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 204 places, 206 transitions, 444 flow [2022-02-18 14:26:15,761 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 21756 states, 21755 states have (on average 4.979269133532521) internal successors, (108324), 21755 states have internal predecessors, (108324), 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) [2022-02-18 14:26:15,819 INFO L276 IsEmpty]: Start isEmpty. Operand has 21756 states, 21755 states have (on average 4.979269133532521) internal successors, (108324), 21755 states have internal predecessors, (108324), 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) [2022-02-18 14:26:16,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-02-18 14:26:16,033 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:26:16,034 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:26:16,034 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-18 14:26:16,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:26:16,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1098836800, now seen corresponding path program 1 times [2022-02-18 14:26:16,045 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:26:16,046 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146148777] [2022-02-18 14:26:16,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:26:16,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:26:16,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:26:16,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 14:26:16,317 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:26:16,318 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146148777] [2022-02-18 14:26:16,318 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146148777] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:26:16,318 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:26:16,318 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-18 14:26:16,319 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844726241] [2022-02-18 14:26:16,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:26:16,322 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-18 14:26:16,323 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:26:16,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-18 14:26:16,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-18 14:26:16,407 INFO L87 Difference]: Start difference. First operand has 21756 states, 21755 states have (on average 4.979269133532521) internal successors, (108324), 21755 states have internal predecessors, (108324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 73.5) internal successors, (147), 2 states have internal predecessors, (147), 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) [2022-02-18 14:26:16,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:26:16,777 INFO L93 Difference]: Finished difference Result 21756 states and 98245 transitions. [2022-02-18 14:26:16,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 14:26:16,779 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 73.5) internal successors, (147), 2 states have internal predecessors, (147), 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 147 [2022-02-18 14:26:16,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:26:17,063 INFO L225 Difference]: With dead ends: 21756 [2022-02-18 14:26:17,063 INFO L226 Difference]: Without dead ends: 21751 [2022-02-18 14:26:17,065 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-18 14:26:17,068 INFO L933 BasicCegarLoop]: 163 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-18 14:26:17,069 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 163 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-18 14:26:17,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21751 states. [2022-02-18 14:26:17,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21751 to 21751. [2022-02-18 14:26:17,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21751 states, 21750 states have (on average 4.5167816091954025) internal successors, (98240), 21750 states have internal predecessors, (98240), 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) [2022-02-18 14:26:18,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21751 states to 21751 states and 98240 transitions. [2022-02-18 14:26:18,212 INFO L78 Accepts]: Start accepts. Automaton has 21751 states and 98240 transitions. Word has length 147 [2022-02-18 14:26:18,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:26:18,219 INFO L470 AbstractCegarLoop]: Abstraction has 21751 states and 98240 transitions. [2022-02-18 14:26:18,220 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 73.5) internal successors, (147), 2 states have internal predecessors, (147), 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) [2022-02-18 14:26:18,220 INFO L276 IsEmpty]: Start isEmpty. Operand 21751 states and 98240 transitions. [2022-02-18 14:26:18,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-02-18 14:26:18,429 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:26:18,429 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:26:18,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-18 14:26:18,430 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-18 14:26:18,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:26:18,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1178513303, now seen corresponding path program 1 times [2022-02-18 14:26:18,432 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:26:18,432 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24525772] [2022-02-18 14:26:18,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:26:18,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:26:18,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:26:18,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 14:26:18,714 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:26:18,714 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24525772] [2022-02-18 14:26:18,715 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24525772] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:26:18,715 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:26:18,715 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-18 14:26:18,715 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698328530] [2022-02-18 14:26:18,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:26:18,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-18 14:26:18,717 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:26:18,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-18 14:26:18,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-02-18 14:26:18,720 INFO L87 Difference]: Start difference. First operand 21751 states and 98240 transitions. Second operand has 7 states, 7 states have (on average 21.571428571428573) internal successors, (151), 7 states have internal predecessors, (151), 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) [2022-02-18 14:26:19,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:26:19,546 INFO L93 Difference]: Finished difference Result 43397 states and 196374 transitions. [2022-02-18 14:26:19,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 14:26:19,547 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 21.571428571428573) internal successors, (151), 7 states have internal predecessors, (151), 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 151 [2022-02-18 14:26:19,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:26:19,977 INFO L225 Difference]: With dead ends: 43397 [2022-02-18 14:26:19,977 INFO L226 Difference]: Without dead ends: 42115 [2022-02-18 14:26:19,977 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-02-18 14:26:19,978 INFO L933 BasicCegarLoop]: 154 mSDtfsCounter, 142 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-18 14:26:19,979 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 534 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-18 14:26:20,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42115 states. [2022-02-18 14:26:21,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42115 to 24370. [2022-02-18 14:26:21,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24370 states, 24369 states have (on average 4.496696622758423) internal successors, (109580), 24369 states have internal predecessors, (109580), 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) [2022-02-18 14:26:21,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24370 states to 24370 states and 109580 transitions. [2022-02-18 14:26:21,510 INFO L78 Accepts]: Start accepts. Automaton has 24370 states and 109580 transitions. Word has length 151 [2022-02-18 14:26:21,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:26:21,511 INFO L470 AbstractCegarLoop]: Abstraction has 24370 states and 109580 transitions. [2022-02-18 14:26:21,511 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.571428571428573) internal successors, (151), 7 states have internal predecessors, (151), 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) [2022-02-18 14:26:21,512 INFO L276 IsEmpty]: Start isEmpty. Operand 24370 states and 109580 transitions. [2022-02-18 14:26:21,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-02-18 14:26:21,612 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:26:21,612 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:26:21,612 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-18 14:26:21,612 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-18 14:26:21,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:26:21,613 INFO L85 PathProgramCache]: Analyzing trace with hash 133319343, now seen corresponding path program 1 times [2022-02-18 14:26:21,613 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:26:21,613 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294410967] [2022-02-18 14:26:21,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:26:21,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:26:21,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:26:21,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-18 14:26:21,961 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:26:21,961 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294410967] [2022-02-18 14:26:21,962 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294410967] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:26:21,962 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:26:21,962 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-18 14:26:21,962 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977802813] [2022-02-18 14:26:21,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:26:21,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 14:26:21,963 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:26:21,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 14:26:21,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-02-18 14:26:21,964 INFO L87 Difference]: Start difference. First operand 24370 states and 109580 transitions. Second operand has 11 states, 11 states have (on average 14.090909090909092) internal successors, (155), 11 states have internal predecessors, (155), 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) [2022-02-18 14:26:22,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:26:22,606 INFO L93 Difference]: Finished difference Result 43628 states and 191858 transitions. [2022-02-18 14:26:22,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 14:26:22,606 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 14.090909090909092) internal successors, (155), 11 states have internal predecessors, (155), 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 155 [2022-02-18 14:26:22,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:26:22,813 INFO L225 Difference]: With dead ends: 43628 [2022-02-18 14:26:22,813 INFO L226 Difference]: Without dead ends: 24376 [2022-02-18 14:26:22,815 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=110, Invalid=232, Unknown=0, NotChecked=0, Total=342 [2022-02-18 14:26:22,820 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 678 mSDsluCounter, 936 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 678 SdHoareTripleChecker+Valid, 1018 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-18 14:26:22,820 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [678 Valid, 1018 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-18 14:26:22,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24376 states. [2022-02-18 14:26:23,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24376 to 24371. [2022-02-18 14:26:23,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24371 states, 24370 states have (on average 4.496553139105457) internal successors, (109581), 24370 states have internal predecessors, (109581), 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) [2022-02-18 14:26:23,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24371 states to 24371 states and 109581 transitions. [2022-02-18 14:26:23,739 INFO L78 Accepts]: Start accepts. Automaton has 24371 states and 109581 transitions. Word has length 155 [2022-02-18 14:26:23,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:26:23,739 INFO L470 AbstractCegarLoop]: Abstraction has 24371 states and 109581 transitions. [2022-02-18 14:26:23,740 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 14.090909090909092) internal successors, (155), 11 states have internal predecessors, (155), 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) [2022-02-18 14:26:23,740 INFO L276 IsEmpty]: Start isEmpty. Operand 24371 states and 109581 transitions. [2022-02-18 14:26:23,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-02-18 14:26:23,802 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:26:23,802 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:26:23,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-18 14:26:23,803 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-18 14:26:23,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:26:23,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1337997160, now seen corresponding path program 1 times [2022-02-18 14:26:23,803 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:26:23,803 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463861198] [2022-02-18 14:26:23,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:26:23,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:26:23,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:26:23,927 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-18 14:26:23,927 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:26:23,927 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463861198] [2022-02-18 14:26:23,927 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463861198] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 14:26:23,927 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 14:26:23,927 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-18 14:26:23,927 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289769290] [2022-02-18 14:26:23,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 14:26:23,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-18 14:26:23,928 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:26:23,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-18 14:26:23,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-02-18 14:26:23,928 INFO L87 Difference]: Start difference. First operand 24371 states and 109581 transitions. Second operand has 8 states, 8 states have (on average 20.25) internal successors, (162), 8 states have internal predecessors, (162), 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) [2022-02-18 14:26:24,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:26:24,906 INFO L93 Difference]: Finished difference Result 66955 states and 303810 transitions. [2022-02-18 14:26:24,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 14:26:24,907 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 20.25) internal successors, (162), 8 states have internal predecessors, (162), 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 162 [2022-02-18 14:26:24,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:26:25,304 INFO L225 Difference]: With dead ends: 66955 [2022-02-18 14:26:25,304 INFO L226 Difference]: Without dead ends: 57401 [2022-02-18 14:26:25,305 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2022-02-18 14:26:25,305 INFO L933 BasicCegarLoop]: 192 mSDtfsCounter, 228 mSDsluCounter, 676 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 796 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-18 14:26:25,306 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [228 Valid, 796 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-18 14:26:25,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57401 states. [2022-02-18 14:26:26,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57401 to 50343. [2022-02-18 14:26:27,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50343 states, 50342 states have (on average 4.582932740058003) internal successors, (230714), 50342 states have internal predecessors, (230714), 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) [2022-02-18 14:26:27,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50343 states to 50343 states and 230714 transitions. [2022-02-18 14:26:27,522 INFO L78 Accepts]: Start accepts. Automaton has 50343 states and 230714 transitions. Word has length 162 [2022-02-18 14:26:27,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:26:27,525 INFO L470 AbstractCegarLoop]: Abstraction has 50343 states and 230714 transitions. [2022-02-18 14:26:27,525 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.25) internal successors, (162), 8 states have internal predecessors, (162), 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) [2022-02-18 14:26:27,525 INFO L276 IsEmpty]: Start isEmpty. Operand 50343 states and 230714 transitions. [2022-02-18 14:26:27,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-02-18 14:26:27,737 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:26:27,738 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:26:27,738 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-18 14:26:27,738 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-18 14:26:27,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:26:27,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1052936008, now seen corresponding path program 1 times [2022-02-18 14:26:27,738 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:26:27,738 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715666077] [2022-02-18 14:26:27,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:26:27,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:26:27,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:26:27,915 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 14:26:27,916 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:26:27,916 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715666077] [2022-02-18 14:26:27,916 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715666077] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 14:26:27,917 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [184080136] [2022-02-18 14:26:27,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:26:27,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 14:26:27,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 14:26:27,919 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) [2022-02-18 14:26:27,925 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-02-18 14:26:28,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:26:28,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 11 conjunts are in the unsatisfiable core [2022-02-18 14:26:28,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 14:26:28,624 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-18 14:26:28,624 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 14:26:28,892 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-18 14:26:28,892 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [184080136] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 14:26:28,893 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 14:26:28,893 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8, 8] total 21 [2022-02-18 14:26:28,893 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721587524] [2022-02-18 14:26:28,893 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 14:26:28,894 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-02-18 14:26:28,894 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:26:28,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-02-18 14:26:28,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2022-02-18 14:26:28,895 INFO L87 Difference]: Start difference. First operand 50343 states and 230714 transitions. Second operand has 21 states, 21 states have (on average 15.476190476190476) internal successors, (325), 21 states have internal predecessors, (325), 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) [2022-02-18 14:26:31,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:26:31,355 INFO L93 Difference]: Finished difference Result 136056 states and 616109 transitions. [2022-02-18 14:26:31,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-18 14:26:31,355 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 15.476190476190476) internal successors, (325), 21 states have internal predecessors, (325), 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 162 [2022-02-18 14:26:31,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:26:32,246 INFO L225 Difference]: With dead ends: 136056 [2022-02-18 14:26:32,246 INFO L226 Difference]: Without dead ends: 114270 [2022-02-18 14:26:32,247 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 315 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 306 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=347, Invalid=1459, Unknown=0, NotChecked=0, Total=1806 [2022-02-18 14:26:32,247 INFO L933 BasicCegarLoop]: 189 mSDtfsCounter, 1634 mSDsluCounter, 2446 mSDsCounter, 0 mSdLazyCounter, 692 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1634 SdHoareTripleChecker+Valid, 2429 SdHoareTripleChecker+Invalid, 768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 692 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 14:26:32,247 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1634 Valid, 2429 Invalid, 768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 692 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-18 14:26:32,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114270 states. [2022-02-18 14:26:35,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114270 to 83498. [2022-02-18 14:26:35,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83498 states, 83497 states have (on average 4.605925961411788) internal successors, (384581), 83497 states have internal predecessors, (384581), 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) [2022-02-18 14:26:36,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83498 states to 83498 states and 384581 transitions. [2022-02-18 14:26:36,133 INFO L78 Accepts]: Start accepts. Automaton has 83498 states and 384581 transitions. Word has length 162 [2022-02-18 14:26:36,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:26:36,133 INFO L470 AbstractCegarLoop]: Abstraction has 83498 states and 384581 transitions. [2022-02-18 14:26:36,133 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 15.476190476190476) internal successors, (325), 21 states have internal predecessors, (325), 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) [2022-02-18 14:26:36,134 INFO L276 IsEmpty]: Start isEmpty. Operand 83498 states and 384581 transitions. [2022-02-18 14:26:36,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-02-18 14:26:36,417 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:26:36,418 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:26:36,435 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-02-18 14:26:36,634 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 14:26:36,634 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-18 14:26:36,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:26:36,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1130023205, now seen corresponding path program 1 times [2022-02-18 14:26:36,635 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:26:36,635 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223482223] [2022-02-18 14:26:36,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:26:36,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:26:36,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:26:37,242 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-18 14:26:37,243 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:26:37,243 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223482223] [2022-02-18 14:26:37,243 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223482223] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 14:26:37,243 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1496928119] [2022-02-18 14:26:37,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:26:37,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 14:26:37,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 14:26:37,244 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) [2022-02-18 14:26:37,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-18 14:26:37,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:26:37,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 69 conjunts are in the unsatisfiable core [2022-02-18 14:26:37,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 14:26:37,417 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 [2022-02-18 14:26:37,602 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-18 14:26:37,603 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 [2022-02-18 14:26:38,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 14:26:38,357 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2022-02-18 14:26:38,473 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 20 treesize of output 22 [2022-02-18 14:26:38,566 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-18 14:26:38,567 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 25 treesize of output 25 [2022-02-18 14:26:38,800 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-18 14:26:38,800 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 14:26:39,424 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 75 [2022-02-18 14:26:39,429 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 35 [2022-02-18 14:26:39,431 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 54 [2022-02-18 14:26:39,466 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 14:26:39,466 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 14:26:40,286 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-02-18 14:26:40,331 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-18 14:26:40,332 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1496928119] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 14:26:40,332 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 14:26:40,332 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 22, 20] total 43 [2022-02-18 14:26:40,332 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630523635] [2022-02-18 14:26:40,332 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 14:26:40,333 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-02-18 14:26:40,333 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:26:40,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-02-18 14:26:40,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=1635, Unknown=5, NotChecked=0, Total=1806 [2022-02-18 14:26:40,334 INFO L87 Difference]: Start difference. First operand 83498 states and 384581 transitions. Second operand has 43 states, 43 states have (on average 7.906976744186046) internal successors, (340), 43 states have internal predecessors, (340), 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) [2022-02-18 14:26:42,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:26:42,847 INFO L93 Difference]: Finished difference Result 124335 states and 570751 transitions. [2022-02-18 14:26:42,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-18 14:26:42,848 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 43 states have (on average 7.906976744186046) internal successors, (340), 43 states have internal predecessors, (340), 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 173 [2022-02-18 14:26:42,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:26:43,861 INFO L225 Difference]: With dead ends: 124335 [2022-02-18 14:26:43,861 INFO L226 Difference]: Without dead ends: 122429 [2022-02-18 14:26:43,862 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 395 GetRequests, 328 SyntacticMatches, 3 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1056 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=562, Invalid=3723, Unknown=5, NotChecked=0, Total=4290 [2022-02-18 14:26:43,862 INFO L933 BasicCegarLoop]: 258 mSDtfsCounter, 2405 mSDsluCounter, 4707 mSDsCounter, 0 mSdLazyCounter, 1115 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2405 SdHoareTripleChecker+Valid, 4664 SdHoareTripleChecker+Invalid, 1749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 1115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 545 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-18 14:26:43,863 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2405 Valid, 4664 Invalid, 1749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 1115 Invalid, 0 Unknown, 545 Unchecked, 0.5s Time] [2022-02-18 14:26:44,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122429 states. [2022-02-18 14:26:47,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122429 to 87645. [2022-02-18 14:26:47,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87645 states, 87644 states have (on average 4.601935101090777) internal successors, (403332), 87644 states have internal predecessors, (403332), 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) [2022-02-18 14:26:47,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87645 states to 87645 states and 403332 transitions. [2022-02-18 14:26:47,940 INFO L78 Accepts]: Start accepts. Automaton has 87645 states and 403332 transitions. Word has length 173 [2022-02-18 14:26:47,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:26:47,941 INFO L470 AbstractCegarLoop]: Abstraction has 87645 states and 403332 transitions. [2022-02-18 14:26:47,941 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 7.906976744186046) internal successors, (340), 43 states have internal predecessors, (340), 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) [2022-02-18 14:26:47,941 INFO L276 IsEmpty]: Start isEmpty. Operand 87645 states and 403332 transitions. [2022-02-18 14:26:48,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-02-18 14:26:48,218 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:26:48,219 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:26:48,238 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-18 14:26:48,436 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-02-18 14:26:48,437 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-18 14:26:48,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:26:48,437 INFO L85 PathProgramCache]: Analyzing trace with hash -2135796019, now seen corresponding path program 2 times [2022-02-18 14:26:48,437 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:26:48,437 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865589297] [2022-02-18 14:26:48,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:26:48,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:26:48,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:26:48,825 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-18 14:26:48,825 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:26:48,826 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865589297] [2022-02-18 14:26:48,826 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865589297] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 14:26:48,826 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [402384876] [2022-02-18 14:26:48,826 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-18 14:26:48,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 14:26:48,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 14:26:48,827 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) [2022-02-18 14:26:48,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-18 14:26:48,954 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-18 14:26:48,955 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 14:26:48,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 73 conjunts are in the unsatisfiable core [2022-02-18 14:26:48,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 14:26:49,876 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 13 treesize of output 9 [2022-02-18 14:26:50,358 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 [2022-02-18 14:26:50,575 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 [2022-02-18 14:26:50,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 14:26:50,884 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 21 treesize of output 23 [2022-02-18 14:26:51,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 14:26:51,005 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 21 treesize of output 23 [2022-02-18 14:26:51,108 INFO L353 Elim1Store]: treesize reduction 13, result has 18.8 percent of original size [2022-02-18 14:26:51,108 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 26 treesize of output 13 [2022-02-18 14:26:51,297 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 14:26:51,297 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 14:26:52,217 WARN L838 $PredicateComparison]: unable to prove that (or (and (forall ((v_ArrVal_209 (Array Int Int)) (v_ArrVal_208 (Array Int Int)) (v_ArrVal_210 (Array Int Int)) (v_ArrVal_211 (Array Int Int))) (let ((.cse0 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_208) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_209)) (.cse1 (+ c_~x~0.offset 4 (* c_~i2~0 4)))) (<= (+ c_~s2~0 (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_210) |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_211) c_~x~0.base) .cse1)) (+ c_~s1~0 (select (select .cse0 c_~x~0.base) .cse1))))) (forall ((v_ArrVal_209 (Array Int Int)) (v_ArrVal_208 (Array Int Int)) (v_ArrVal_210 (Array Int Int)) (v_ArrVal_211 (Array Int Int))) (let ((.cse2 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_208) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_209)) (.cse3 (+ c_~x~0.offset 4 (* c_~i2~0 4)))) (<= (+ c_~s1~0 (select (select .cse2 c_~x~0.base) .cse3)) (+ c_~s2~0 (select (select (store (store .cse2 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_210) |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_211) c_~x~0.base) .cse3)))))) (= |c_ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (not (= (+ c_~i2~0 1) (+ c_~i1~0 1)))) is different from false [2022-02-18 14:26:52,230 WARN L838 $PredicateComparison]: unable to prove that (or (and (forall ((v_ArrVal_209 (Array Int Int)) (v_ArrVal_208 (Array Int Int)) (v_ArrVal_210 (Array Int Int)) (v_ArrVal_211 (Array Int Int))) (let ((.cse0 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_208) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_209)) (.cse1 (+ c_~x~0.offset 4 (* c_~i2~0 4)))) (<= (+ c_~s2~0 (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_210) |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_211) c_~x~0.base) .cse1)) (+ c_~s1~0 (select (select .cse0 c_~x~0.base) .cse1))))) (forall ((v_ArrVal_209 (Array Int Int)) (v_ArrVal_208 (Array Int Int)) (v_ArrVal_210 (Array Int Int)) (v_ArrVal_211 (Array Int Int))) (let ((.cse2 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_208) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_209)) (.cse3 (+ c_~x~0.offset 4 (* c_~i2~0 4)))) (<= (+ c_~s1~0 (select (select .cse2 c_~x~0.base) .cse3)) (+ c_~s2~0 (select (select (store (store .cse2 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_210) |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_211) c_~x~0.base) .cse3)))))) (= |c_ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (not (= (+ c_~i2~0 1) (+ c_~i1~0 1)))) is different from false [2022-02-18 14:26:52,256 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_209 (Array Int Int)) (v_ArrVal_208 (Array Int Int)) (v_ArrVal_210 (Array Int Int)) (v_ArrVal_211 (Array Int Int))) (let ((.cse0 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_208) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_209)) (.cse1 (+ c_~x~0.offset 4))) (<= (select (select .cse0 c_~x~0.base) .cse1) (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_210) |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_211) c_~x~0.base) .cse1)))) (forall ((v_ArrVal_209 (Array Int Int)) (v_ArrVal_208 (Array Int Int)) (v_ArrVal_210 (Array Int Int)) (v_ArrVal_211 (Array Int Int))) (let ((.cse2 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_208) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_209)) (.cse3 (+ c_~x~0.offset 4))) (<= (select (select (store (store .cse2 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_210) |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_211) c_~x~0.base) .cse3) (select (select .cse2 c_~x~0.base) .cse3))))) is different from false [2022-02-18 14:26:52,278 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_209 (Array Int Int)) (v_ArrVal_208 (Array Int Int)) (v_ArrVal_210 (Array Int Int)) (v_ArrVal_211 (Array Int Int))) (let ((.cse0 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_208) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_209)) (.cse1 (+ |c_ULTIMATE.start_main_#t~ret26#1.offset| 4))) (<= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_210) |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_211) |c_ULTIMATE.start_main_#t~ret26#1.base|) .cse1) (select (select .cse0 |c_ULTIMATE.start_main_#t~ret26#1.base|) .cse1)))) (forall ((v_ArrVal_209 (Array Int Int)) (v_ArrVal_208 (Array Int Int)) (v_ArrVal_210 (Array Int Int)) (v_ArrVal_211 (Array Int Int))) (let ((.cse2 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_208) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_209)) (.cse3 (+ |c_ULTIMATE.start_main_#t~ret26#1.offset| 4))) (<= (select (select .cse2 |c_ULTIMATE.start_main_#t~ret26#1.base|) .cse3) (select (select (store (store .cse2 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_210) |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_211) |c_ULTIMATE.start_main_#t~ret26#1.base|) .cse3))))) is different from false [2022-02-18 14:26:52,291 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_209 (Array Int Int)) (v_ArrVal_208 (Array Int Int)) (v_ArrVal_210 (Array Int Int)) (v_ArrVal_211 (Array Int Int))) (let ((.cse0 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_208) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_209)) (.cse1 (+ |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| 4))) (<= (select (select .cse0 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) .cse1) (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_210) |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_211) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) .cse1)))) (forall ((v_ArrVal_209 (Array Int Int)) (v_ArrVal_208 (Array Int Int)) (v_ArrVal_210 (Array Int Int)) (v_ArrVal_211 (Array Int Int))) (let ((.cse2 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_208) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_209)) (.cse3 (+ |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| 4))) (<= (select (select (store (store .cse2 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_210) |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_211) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) .cse3) (select (select .cse2 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) .cse3))))) is different from false [2022-02-18 14:26:52,299 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_209 (Array Int Int)) (v_ArrVal_208 (Array Int Int)) (v_ArrVal_210 (Array Int Int)) (v_ArrVal_211 (Array Int Int))) (let ((.cse0 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_208) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_209)) (.cse1 (+ 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (<= (select (select (store (store .cse0 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_210) |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_211) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) .cse1) (select (select .cse0 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) .cse1)))) (forall ((v_ArrVal_209 (Array Int Int)) (v_ArrVal_208 (Array Int Int)) (v_ArrVal_210 (Array Int Int)) (v_ArrVal_211 (Array Int Int))) (let ((.cse2 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_208) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_209)) (.cse3 (+ 4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (<= (select (select .cse2 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) .cse3) (select (select (store (store .cse2 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_210) |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_211) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) .cse3))))) is different from false [2022-02-18 14:26:52,338 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-18 14:26:52,339 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 57 treesize of output 46 [2022-02-18 14:26:52,341 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2606 treesize of output 2390 [2022-02-18 14:26:52,392 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2334 treesize of output 2190 [2022-02-18 14:26:52,401 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2190 treesize of output 1934 [2022-02-18 14:26:52,413 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1934 treesize of output 1678 [2022-02-18 14:26:52,422 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1678 treesize of output 1550 [2022-02-18 14:27:08,526 INFO L353 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-02-18 14:27:08,526 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 1 [2022-02-18 14:27:08,789 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 6 not checked. [2022-02-18 14:27:08,790 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [402384876] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 14:27:08,790 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 14:27:08,790 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 27, 23] total 57 [2022-02-18 14:27:08,790 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094110850] [2022-02-18 14:27:08,790 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 14:27:08,791 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2022-02-18 14:27:08,791 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 14:27:08,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2022-02-18 14:27:08,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=259, Invalid=2292, Unknown=23, NotChecked=618, Total=3192 [2022-02-18 14:27:08,792 INFO L87 Difference]: Start difference. First operand 87645 states and 403332 transitions. Second operand has 57 states, 57 states have (on average 7.43859649122807) internal successors, (424), 57 states have internal predecessors, (424), 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) [2022-02-18 14:27:14,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-18 14:27:14,195 INFO L93 Difference]: Finished difference Result 220253 states and 1021237 transitions. [2022-02-18 14:27:14,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-02-18 14:27:14,196 INFO L78 Accepts]: Start accepts. Automaton has has 57 states, 57 states have (on average 7.43859649122807) internal successors, (424), 57 states have internal predecessors, (424), 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 173 [2022-02-18 14:27:14,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-18 14:27:15,391 INFO L225 Difference]: With dead ends: 220253 [2022-02-18 14:27:15,391 INFO L226 Difference]: Without dead ends: 216759 [2022-02-18 14:27:15,393 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 427 GetRequests, 322 SyntacticMatches, 13 SemanticMatches, 92 ConstructedPredicates, 6 IntricatePredicates, 1 DeprecatedPredicates, 2614 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=854, Invalid=6803, Unknown=23, NotChecked=1062, Total=8742 [2022-02-18 14:27:15,394 INFO L933 BasicCegarLoop]: 328 mSDtfsCounter, 2355 mSDsluCounter, 8971 mSDsCounter, 0 mSdLazyCounter, 2858 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2355 SdHoareTripleChecker+Valid, 8454 SdHoareTripleChecker+Invalid, 7360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 2858 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 4402 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-02-18 14:27:15,394 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2355 Valid, 8454 Invalid, 7360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 2858 Invalid, 0 Unknown, 4402 Unchecked, 1.2s Time] [2022-02-18 14:27:16,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216759 states. [2022-02-18 14:27:22,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216759 to 99514. [2022-02-18 14:27:22,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99514 states, 99513 states have (on average 4.631083376041321) internal successors, (460853), 99513 states have internal predecessors, (460853), 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) [2022-02-18 14:27:23,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99514 states to 99514 states and 460853 transitions. [2022-02-18 14:27:23,530 INFO L78 Accepts]: Start accepts. Automaton has 99514 states and 460853 transitions. Word has length 173 [2022-02-18 14:27:23,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-18 14:27:23,531 INFO L470 AbstractCegarLoop]: Abstraction has 99514 states and 460853 transitions. [2022-02-18 14:27:23,531 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 7.43859649122807) internal successors, (424), 57 states have internal predecessors, (424), 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) [2022-02-18 14:27:23,531 INFO L276 IsEmpty]: Start isEmpty. Operand 99514 states and 460853 transitions. [2022-02-18 14:27:23,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-02-18 14:27:23,895 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 14:27:23,895 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 14:27:23,913 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-02-18 14:27:24,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 14:27:24,096 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-18 14:27:24,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 14:27:24,099 INFO L85 PathProgramCache]: Analyzing trace with hash -305134849, now seen corresponding path program 1 times [2022-02-18 14:27:24,100 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 14:27:24,100 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396056937] [2022-02-18 14:27:24,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:27:24,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 14:27:24,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:27:24,431 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-18 14:27:24,431 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 14:27:24,431 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396056937] [2022-02-18 14:27:24,431 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396056937] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 14:27:24,431 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [129098621] [2022-02-18 14:27:24,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 14:27:24,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 14:27:24,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 14:27:24,433 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) [2022-02-18 14:27:24,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-18 14:27:24,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 14:27:24,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 71 conjunts are in the unsatisfiable core [2022-02-18 14:27:24,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 14:27:24,588 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 [2022-02-18 14:27:24,776 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-18 14:27:24,776 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 [2022-02-18 14:27:25,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 14:27:25,668 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 23