/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf -i ../sv-benchmarks/c/weaver/unroll-4.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-8c2bbc9 [2021-10-06 20:56:56,002 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-06 20:56:56,006 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-06 20:56:56,063 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-06 20:56:56,063 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-06 20:56:56,071 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-06 20:56:56,074 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-06 20:56:56,080 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-06 20:56:56,083 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-06 20:56:56,089 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-06 20:56:56,090 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-06 20:56:56,110 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-06 20:56:56,110 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-06 20:56:56,113 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-06 20:56:56,116 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-06 20:56:56,120 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-06 20:56:56,122 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-06 20:56:56,124 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-06 20:56:56,131 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-06 20:56:56,140 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-06 20:56:56,142 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-06 20:56:56,144 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-06 20:56:56,146 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-06 20:56:56,148 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-06 20:56:56,156 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-06 20:56:56,157 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-06 20:56:56,157 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-06 20:56:56,158 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-06 20:56:56,159 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-06 20:56:56,160 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-06 20:56:56,161 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-06 20:56:56,162 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-06 20:56:56,163 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-06 20:56:56,164 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-06 20:56:56,165 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-06 20:56:56,165 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-06 20:56:56,166 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-06 20:56:56,167 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-06 20:56:56,167 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-06 20:56:56,168 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-06 20:56:56,169 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-06 20:56:56,170 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-06 20:56:56,198 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-06 20:56:56,199 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-06 20:56:56,199 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-06 20:56:56,199 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-06 20:56:56,201 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-06 20:56:56,201 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-06 20:56:56,201 INFO L138 SettingsManager]: * Use SBE=true [2021-10-06 20:56:56,201 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-06 20:56:56,202 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-06 20:56:56,202 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-06 20:56:56,202 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-06 20:56:56,202 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-06 20:56:56,203 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-06 20:56:56,203 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-06 20:56:56,203 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-06 20:56:56,203 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-06 20:56:56,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-06 20:56:56,204 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-06 20:56:56,204 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-06 20:56:56,204 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-06 20:56:56,204 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-06 20:56:56,205 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-06 20:56:56,205 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-06 20:56:56,205 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-06 20:56:56,205 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-06 20:56:56,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-06 20:56:56,206 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-06 20:56:56,206 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-06 20:56:56,206 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-06 20:56:56,206 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-06 20:56:56,207 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-06 20:56:56,207 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-06 20:56:56,207 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-06 20:56:56,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-06 20:56:56,602 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-06 20:56:56,606 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-06 20:56:56,607 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-06 20:56:56,608 INFO L275 PluginConnector]: CDTParser initialized [2021-10-06 20:56:56,609 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/unroll-4.wvr.c [2021-10-06 20:56:56,696 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e7f6c9f42/f119359f162e400a8b51e66de8f4ee9f/FLAGa9f56ea8b [2021-10-06 20:56:57,464 INFO L306 CDTParser]: Found 1 translation units. [2021-10-06 20:56:57,464 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/unroll-4.wvr.c [2021-10-06 20:56:57,479 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e7f6c9f42/f119359f162e400a8b51e66de8f4ee9f/FLAGa9f56ea8b [2021-10-06 20:56:57,820 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e7f6c9f42/f119359f162e400a8b51e66de8f4ee9f [2021-10-06 20:56:57,826 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-06 20:56:57,838 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-06 20:56:57,844 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-06 20:56:57,844 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-06 20:56:57,849 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-06 20:56:57,851 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 08:56:57" (1/1) ... [2021-10-06 20:56:57,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61fdd7c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 08:56:57, skipping insertion in model container [2021-10-06 20:56:57,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 08:56:57" (1/1) ... [2021-10-06 20:56:57,862 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-06 20:56:57,889 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-06 20:56:58,078 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/unroll-4.wvr.c[2363,2376] [2021-10-06 20:56:58,086 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-06 20:56:58,103 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-06 20:56:58,108 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-06 20:56:58,138 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/unroll-4.wvr.c[2363,2376] [2021-10-06 20:56:58,149 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-06 20:56:58,158 INFO L203 MainTranslator]: Completed pre-run [2021-10-06 20:56:58,203 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/unroll-4.wvr.c[2363,2376] [2021-10-06 20:56:58,206 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-06 20:56:58,226 INFO L208 MainTranslator]: Completed translation [2021-10-06 20:56:58,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 08:56:58 WrapperNode [2021-10-06 20:56:58,227 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-06 20:56:58,228 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-06 20:56:58,229 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-06 20:56:58,229 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-06 20:56:58,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 08:56:58" (1/1) ... [2021-10-06 20:56:58,251 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 08:56:58" (1/1) ... [2021-10-06 20:56:58,282 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-06 20:56:58,283 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-06 20:56:58,283 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-06 20:56:58,283 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-06 20:56:58,293 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 08:56:58" (1/1) ... [2021-10-06 20:56:58,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 08:56:58" (1/1) ... [2021-10-06 20:56:58,303 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 08:56:58" (1/1) ... [2021-10-06 20:56:58,305 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 08:56:58" (1/1) ... [2021-10-06 20:56:58,331 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 08:56:58" (1/1) ... [2021-10-06 20:56:58,339 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 08:56:58" (1/1) ... [2021-10-06 20:56:58,345 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 08:56:58" (1/1) ... [2021-10-06 20:56:58,353 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-06 20:56:58,354 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-06 20:56:58,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-06 20:56:58,355 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-06 20:56:58,356 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 08:56:58" (1/1) ... [2021-10-06 20:56:58,366 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-06 20:56:58,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 20:56:58,396 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-06 20:56:58,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-06 20:56:58,460 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-06 20:56:58,461 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-06 20:56:58,461 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-06 20:56:58,461 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-06 20:56:58,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-06 20:56:58,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-06 20:56:58,462 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-06 20:56:58,462 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-06 20:56:58,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-06 20:56:58,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-06 20:56:58,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-06 20:56:58,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-06 20:56:58,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-06 20:56:58,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-06 20:56:58,465 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-06 20:57:00,587 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-06 20:57:00,588 INFO L299 CfgBuilder]: Removed 23 assume(true) statements. [2021-10-06 20:57:00,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 08:57:00 BoogieIcfgContainer [2021-10-06 20:57:00,593 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-06 20:57:00,597 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-06 20:57:00,597 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-06 20:57:00,601 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-06 20:57:00,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.10 08:56:57" (1/3) ... [2021-10-06 20:57:00,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@505d157f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 08:57:00, skipping insertion in model container [2021-10-06 20:57:00,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 08:56:58" (2/3) ... [2021-10-06 20:57:00,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@505d157f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 08:57:00, skipping insertion in model container [2021-10-06 20:57:00,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 08:57:00" (3/3) ... [2021-10-06 20:57:00,606 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-4.wvr.c [2021-10-06 20:57:00,613 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-06 20:57:00,614 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2021-10-06 20:57:00,614 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-06 20:57:00,649 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,649 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,649 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,650 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,650 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,650 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,651 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,651 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,651 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,651 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,652 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,652 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,653 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,654 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,654 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,654 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,655 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,655 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,655 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,655 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,656 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,656 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,656 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,656 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,656 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,657 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,657 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,657 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,658 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,658 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,658 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,658 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,659 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,659 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,659 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,659 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,659 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,660 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,660 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,660 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,660 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,660 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,661 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,661 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,661 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,661 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,662 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,662 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,662 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,662 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,663 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,663 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,663 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,663 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,664 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,664 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,664 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,665 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,665 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,665 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,665 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,665 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,666 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,666 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,666 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,666 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,666 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,667 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,667 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,667 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,667 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,667 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,668 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,668 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,668 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,668 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,668 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,669 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,669 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,669 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,670 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,670 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,670 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,670 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,670 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,671 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,671 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,671 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,672 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,672 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,672 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,672 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,672 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,673 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,673 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,673 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,673 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,673 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,674 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,674 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,674 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,675 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,675 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,675 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,675 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,675 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,675 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,676 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,680 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,680 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,681 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,681 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,681 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,681 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,682 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,682 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,682 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,682 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,683 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,683 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,685 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,686 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,686 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,686 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,687 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,687 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 20:57:00,692 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-10-06 20:57:00,752 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-06 20:57:00,761 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=false, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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 [2021-10-06 20:57:00,761 INFO L340 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2021-10-06 20:57:00,781 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-06 20:57:00,796 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 115 places, 116 transitions, 248 flow [2021-10-06 20:57:00,801 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 115 places, 116 transitions, 248 flow [2021-10-06 20:57:00,803 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 115 places, 116 transitions, 248 flow [2021-10-06 20:57:00,898 INFO L129 PetriNetUnfolder]: 8/114 cut-off events. [2021-10-06 20:57:00,899 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-10-06 20:57:00,906 INFO L84 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 114 events. 8/114 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 138 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 73. Up to 2 conditions per place. [2021-10-06 20:57:00,913 INFO L116 LiptonReduction]: Number of co-enabled transitions 712 [2021-10-06 20:57:22,230 INFO L131 LiptonReduction]: Checked pairs total: 1004 [2021-10-06 20:57:22,230 INFO L133 LiptonReduction]: Total number of compositions: 114 [2021-10-06 20:57:22,241 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 43 places, 39 transitions, 94 flow [2021-10-06 20:57:22,266 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 226 states, 116 states have (on average 4.853448275862069) internal successors, (563), 225 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 20:57:22,270 INFO L276 IsEmpty]: Start isEmpty. Operand has 226 states, 116 states have (on average 4.853448275862069) internal successors, (563), 225 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 20:57:22,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-06 20:57:22,276 INFO L504 BasicCegarLoop]: Found error trace [2021-10-06 20:57:22,277 INFO L512 BasicCegarLoop]: trace histogram [1, 1] [2021-10-06 20:57:22,277 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread2Err0REQUIRES_VIOLATION, thread2Err1REQUIRES_VIOLATION (and 30 more)] === [2021-10-06 20:57:22,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 20:57:22,283 INFO L82 PathProgramCache]: Analyzing trace with hash 18648, now seen corresponding path program 1 times [2021-10-06 20:57:22,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-06 20:57:22,298 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1932754387] [2021-10-06 20:57:22,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 20:57:22,299 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-06 20:57:22,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-06 20:57:22,310 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-06 20:57:22,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-06 20:57:22,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 20:57:22,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-06 20:57:22,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 20:57:22,815 INFO L354 Elim1Store]: treesize reduction 151, result has 21.8 percent of original size [2021-10-06 20:57:22,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 73 [2021-10-06 20:57:22,832 INFO L388 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 95 treesize of output 93 [2021-10-06 20:57:23,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 20:57:23,304 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-06 20:57:23,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 20:57:23,345 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-06 20:57:23,345 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1932754387] [2021-10-06 20:57:23,346 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1932754387] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-06 20:57:23,346 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-06 20:57:23,347 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 2 [2021-10-06 20:57:23,349 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161883888] [2021-10-06 20:57:23,354 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-06 20:57:23,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-06 20:57:23,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-06 20:57:23,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-06 20:57:23,375 INFO L87 Difference]: Start difference. First operand has 226 states, 116 states have (on average 4.853448275862069) internal successors, (563), 225 states have internal predecessors, (563), 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 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 20:57:23,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-06 20:57:23,687 INFO L93 Difference]: Finished difference Result 136 states and 321 transitions. [2021-10-06 20:57:23,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-06 20:57:23,690 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 2 [2021-10-06 20:57:23,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-06 20:57:23,703 INFO L225 Difference]: With dead ends: 136 [2021-10-06 20:57:23,703 INFO L226 Difference]: Without dead ends: 136 [2021-10-06 20:57:23,705 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 43.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-06 20:57:23,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2021-10-06 20:57:23,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2021-10-06 20:57:23,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 79 states have (on average 4.063291139240507) internal successors, (321), 135 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 20:57:23,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 321 transitions. [2021-10-06 20:57:23,760 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 321 transitions. Word has length 2 [2021-10-06 20:57:23,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-06 20:57:23,762 INFO L470 AbstractCegarLoop]: Abstraction has 136 states and 321 transitions. [2021-10-06 20:57:23,762 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 20:57:23,762 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 321 transitions. [2021-10-06 20:57:23,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-06 20:57:23,763 INFO L504 BasicCegarLoop]: Found error trace [2021-10-06 20:57:23,763 INFO L512 BasicCegarLoop]: trace histogram [1, 1] [2021-10-06 20:57:23,774 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-06 20:57:23,964 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-06 20:57:23,964 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread2Err0REQUIRES_VIOLATION, thread2Err1REQUIRES_VIOLATION (and 30 more)] === [2021-10-06 20:57:23,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 20:57:23,965 INFO L82 PathProgramCache]: Analyzing trace with hash 18649, now seen corresponding path program 1 times [2021-10-06 20:57:23,967 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-06 20:57:23,968 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2131845053] [2021-10-06 20:57:23,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 20:57:23,968 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-06 20:57:23,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-06 20:57:23,974 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-06 20:57:24,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-06 20:57:24,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 20:57:24,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-06 20:57:24,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 20:57:24,228 INFO L354 Elim1Store]: treesize reduction 232, result has 18.9 percent of original size [2021-10-06 20:57:24,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 case distinctions, treesize of input 140 treesize of output 175 [2021-10-06 20:57:25,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 20:57:25,745 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-06 20:57:25,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 20:57:25,758 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-06 20:57:25,758 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2131845053] [2021-10-06 20:57:25,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2131845053] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-06 20:57:25,759 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-06 20:57:25,759 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 2 [2021-10-06 20:57:25,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588053404] [2021-10-06 20:57:25,761 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-06 20:57:25,761 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-06 20:57:25,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-06 20:57:25,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-06 20:57:25,763 INFO L87 Difference]: Start difference. First operand 136 states and 321 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 20:57:26,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-06 20:57:26,035 INFO L93 Difference]: Finished difference Result 107 states and 236 transitions. [2021-10-06 20:57:26,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-06 20:57:26,037 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 2 [2021-10-06 20:57:26,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-06 20:57:26,039 INFO L225 Difference]: With dead ends: 107 [2021-10-06 20:57:26,039 INFO L226 Difference]: Without dead ends: 107 [2021-10-06 20:57:26,040 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 30.0ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-06 20:57:26,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-10-06 20:57:26,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2021-10-06 20:57:26,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 69 states have (on average 3.420289855072464) internal successors, (236), 106 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 20:57:26,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 236 transitions. [2021-10-06 20:57:26,054 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 236 transitions. Word has length 2 [2021-10-06 20:57:26,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-06 20:57:26,055 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 236 transitions. [2021-10-06 20:57:26,055 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 20:57:26,055 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 236 transitions. [2021-10-06 20:57:26,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-06 20:57:26,056 INFO L504 BasicCegarLoop]: Found error trace [2021-10-06 20:57:26,056 INFO L512 BasicCegarLoop]: trace histogram [1, 1] [2021-10-06 20:57:26,071 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-10-06 20:57:26,268 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-06 20:57:26,269 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread2Err0REQUIRES_VIOLATION, thread2Err1REQUIRES_VIOLATION (and 30 more)] === [2021-10-06 20:57:26,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 20:57:26,270 INFO L82 PathProgramCache]: Analyzing trace with hash 18566, now seen corresponding path program 1 times [2021-10-06 20:57:26,271 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-06 20:57:26,272 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [656844640] [2021-10-06 20:57:26,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 20:57:26,272 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-06 20:57:26,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-06 20:57:26,274 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-06 20:57:26,275 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-06 20:57:26,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-06 20:57:26,340 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-06 20:57:26,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-06 20:57:26,400 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-10-06 20:57:26,400 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-06 20:57:26,402 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1REQUIRES_VIOLATION [2021-10-06 20:57:26,404 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0REQUIRES_VIOLATION [2021-10-06 20:57:26,404 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1REQUIRES_VIOLATION [2021-10-06 20:57:26,405 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0REQUIRES_VIOLATION [2021-10-06 20:57:26,405 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1REQUIRES_VIOLATION [2021-10-06 20:57:26,405 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2REQUIRES_VIOLATION [2021-10-06 20:57:26,405 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3REQUIRES_VIOLATION [2021-10-06 20:57:26,405 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4REQUIRES_VIOLATION [2021-10-06 20:57:26,406 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5REQUIRES_VIOLATION [2021-10-06 20:57:26,406 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6REQUIRES_VIOLATION [2021-10-06 20:57:26,406 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7REQUIRES_VIOLATION [2021-10-06 20:57:26,406 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATION [2021-10-06 20:57:26,407 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATION [2021-10-06 20:57:26,407 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATION [2021-10-06 20:57:26,407 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATION [2021-10-06 20:57:26,407 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATION [2021-10-06 20:57:26,407 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATION [2021-10-06 20:57:26,408 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATION [2021-10-06 20:57:26,408 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATION [2021-10-06 20:57:26,408 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATION [2021-10-06 20:57:26,408 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK [2021-10-06 20:57:26,409 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK [2021-10-06 20:57:26,409 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-06 20:57:26,409 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-06 20:57:26,409 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0REQUIRES_VIOLATION [2021-10-06 20:57:26,410 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1REQUIRES_VIOLATION [2021-10-06 20:57:26,410 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0REQUIRES_VIOLATION [2021-10-06 20:57:26,410 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1REQUIRES_VIOLATION [2021-10-06 20:57:26,410 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2REQUIRES_VIOLATION [2021-10-06 20:57:26,410 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3REQUIRES_VIOLATION [2021-10-06 20:57:26,411 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4REQUIRES_VIOLATION [2021-10-06 20:57:26,411 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5REQUIRES_VIOLATION [2021-10-06 20:57:26,411 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6REQUIRES_VIOLATION [2021-10-06 20:57:26,411 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7REQUIRES_VIOLATION [2021-10-06 20:57:26,427 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-06 20:57:26,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-06 20:57:26,632 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-06 20:57:26,633 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-06 20:57:26,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 08:57:26 BasicIcfg [2021-10-06 20:57:26,655 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-06 20:57:26,656 INFO L168 Benchmark]: Toolchain (without parser) took 28824.46 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 125.9 MB in the beginning and 85.7 MB in the end (delta: 40.2 MB). Peak memory consumption was 71.3 MB. Max. memory is 8.0 GB. [2021-10-06 20:57:26,657 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 151.0 MB. Free memory is still 122.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-06 20:57:26,658 INFO L168 Benchmark]: CACSL2BoogieTranslator took 383.67 ms. Allocated memory is still 151.0 MB. Free memory was 125.6 MB in the beginning and 112.9 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-10-06 20:57:26,658 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.72 ms. Allocated memory is still 151.0 MB. Free memory was 112.7 MB in the beginning and 110.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-06 20:57:26,659 INFO L168 Benchmark]: Boogie Preprocessor took 70.04 ms. Allocated memory is still 151.0 MB. Free memory was 110.9 MB in the beginning and 109.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-06 20:57:26,660 INFO L168 Benchmark]: RCFGBuilder took 2239.12 ms. Allocated memory is still 151.0 MB. Free memory was 109.2 MB in the beginning and 82.9 MB in the end (delta: 26.3 MB). Peak memory consumption was 26.5 MB. Max. memory is 8.0 GB. [2021-10-06 20:57:26,661 INFO L168 Benchmark]: TraceAbstraction took 26058.06 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 82.3 MB in the beginning and 85.7 MB in the end (delta: -3.4 MB). Peak memory consumption was 27.0 MB. Max. memory is 8.0 GB. [2021-10-06 20:57:26,665 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 151.0 MB. Free memory is still 122.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 383.67 ms. Allocated memory is still 151.0 MB. Free memory was 125.6 MB in the beginning and 112.9 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 53.72 ms. Allocated memory is still 151.0 MB. Free memory was 112.7 MB in the beginning and 110.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 70.04 ms. Allocated memory is still 151.0 MB. Free memory was 110.9 MB in the beginning and 109.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2239.12 ms. Allocated memory is still 151.0 MB. Free memory was 109.2 MB in the beginning and 82.9 MB in the end (delta: 26.3 MB). Peak memory consumption was 26.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 26058.06 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 82.3 MB in the beginning and 85.7 MB in the end (delta: -3.4 MB). Peak memory consumption was 27.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 21429.3ms, 115 PlacesBefore, 43 PlacesAfterwards, 116 TransitionsBefore, 39 TransitionsAfterwards, 712 CoEnabledTransitionPairs, 6 FixpointIterations, 71 TrivialSequentialCompositions, 31 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 4 ConcurrentYvCompositions, 5 ChoiceCompositions, 114 TotalNumberOfCompositions, 1004 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 984, positive: 972, positive conditional: 0, positive unconditional: 972, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 328, positive: 325, positive conditional: 0, positive unconditional: 325, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 328, positive: 325, positive conditional: 0, positive unconditional: 325, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 162, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 162, negative conditional: 0, negative unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 984, positive: 647, positive conditional: 0, positive unconditional: 647, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 328, unknown conditional: 0, unknown unconditional: 328] , Statistics on independence cache: Total cache size (in pairs): 58, Positive cache size: 57, Positive conditional cache size: 0, Positive unconditional cache size: 57, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 97]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L37] int *f; [L38] int i1, x1, i2, x2, n, size; [L75] pthread_t t1, t2; [L78] n = __VERIFIER_nondet_int() [L79] size = __VERIFIER_nondet_int() [L34] COND FALSE !(!cond) [L95] int* arr = (int*)malloc(sizeof(int) * size); [L96] int i = 0; VAL [f={0:0}, i1=0, i2=0, size=1073741824, x1=0, x2=0] [L96] COND TRUE i < size [L97] arr[i] = __VERIFIER_nondet_int() - UnprovableResult [Line: 46]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 46]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 57]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 57]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 60]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 60]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 63]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 63]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 66]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 66]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 97]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 83]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 83]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 84]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 84]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 89]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 74]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 83]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 84]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 131 locations, 34 error locations. Started 1 CEGAR loops. OverallTime: 25879.3ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 9.9ms, AutomataDifference: 628.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 21505.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 26 SDtfs, 85 SDslu, 0 SDs, 0 SdLazy, 32 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 495.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 73.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=226occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 52.4ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 40.5ms SsaConstructionTime, 107.2ms SatisfiabilityAnalysisTime, 2631.6ms InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 4 ConstructedInterpolants, 2 QuantifiedInterpolants, 122 SizeOfPredicates, 10 NumberOfNonLiveVariables, 90 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-06 20:57:26,721 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...