/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/popl20-more-buffer-series.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-8c2bbc9 [2021-10-07 16:12:06,217 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-07 16:12:06,220 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-07 16:12:06,256 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-07 16:12:06,257 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-07 16:12:06,259 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-07 16:12:06,261 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-07 16:12:06,263 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-07 16:12:06,266 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-07 16:12:06,268 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-07 16:12:06,269 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-07 16:12:06,271 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-07 16:12:06,271 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-07 16:12:06,273 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-07 16:12:06,277 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-07 16:12:06,298 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-07 16:12:06,301 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-07 16:12:06,304 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-07 16:12:06,309 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-07 16:12:06,316 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-07 16:12:06,318 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-07 16:12:06,324 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-07 16:12:06,329 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-07 16:12:06,331 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-07 16:12:06,343 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-07 16:12:06,350 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-07 16:12:06,351 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-07 16:12:06,352 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-07 16:12:06,353 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-07 16:12:06,354 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-07 16:12:06,355 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-07 16:12:06,355 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-07 16:12:06,356 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-07 16:12:06,356 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-07 16:12:06,357 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-07 16:12:06,358 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-07 16:12:06,359 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-07 16:12:06,389 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-07 16:12:06,389 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-07 16:12:06,390 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-07 16:12:06,390 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-07 16:12:06,391 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-07 16:12:06,392 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-07 16:12:06,392 INFO L138 SettingsManager]: * Use SBE=true [2021-10-07 16:12:06,392 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-07 16:12:06,392 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-07 16:12:06,393 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-07 16:12:06,393 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-07 16:12:06,393 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-07 16:12:06,393 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-07 16:12:06,393 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-07 16:12:06,394 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-07 16:12:06,394 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-07 16:12:06,394 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-07 16:12:06,394 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-07 16:12:06,394 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-07 16:12:06,395 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-07 16:12:06,395 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-07 16:12:06,395 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-07 16:12:06,395 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-07 16:12:06,396 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-07 16:12:06,396 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-07 16:12:06,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-07 16:12:06,396 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-07 16:12:06,397 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-07 16:12:06,397 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-07 16:12:06,397 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-07 16:12:06,397 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-07 16:12:06,397 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-07 16:12:06,398 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-07 16:12:06,788 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-07 16:12:06,827 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-07 16:12:06,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-07 16:12:06,830 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-07 16:12:06,831 INFO L275 PluginConnector]: CDTParser initialized [2021-10-07 16:12:06,832 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c [2021-10-07 16:12:06,919 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/adacc6afb/0620b80fc16643619858a4a0fc39a223/FLAG2ad19a04f [2021-10-07 16:12:07,648 INFO L306 CDTParser]: Found 1 translation units. [2021-10-07 16:12:07,649 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c [2021-10-07 16:12:07,660 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/adacc6afb/0620b80fc16643619858a4a0fc39a223/FLAG2ad19a04f [2021-10-07 16:12:07,948 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/adacc6afb/0620b80fc16643619858a4a0fc39a223 [2021-10-07 16:12:07,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-07 16:12:07,960 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-07 16:12:07,964 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-07 16:12:07,965 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-07 16:12:07,969 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-07 16:12:07,971 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 04:12:07" (1/1) ... [2021-10-07 16:12:07,974 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fc03c17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 04:12:07, skipping insertion in model container [2021-10-07 16:12:07,974 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 04:12:07" (1/1) ... [2021-10-07 16:12:07,983 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-07 16:12:08,026 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-07 16:12:08,224 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/popl20-more-buffer-series.wvr.c[3502,3515] [2021-10-07 16:12:08,236 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-07 16:12:08,255 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-07 16:12:08,260 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-07 16:12:08,285 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/popl20-more-buffer-series.wvr.c[3502,3515] [2021-10-07 16:12:08,290 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-07 16:12:08,298 INFO L203 MainTranslator]: Completed pre-run [2021-10-07 16:12:08,334 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/popl20-more-buffer-series.wvr.c[3502,3515] [2021-10-07 16:12:08,340 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-07 16:12:08,363 INFO L208 MainTranslator]: Completed translation [2021-10-07 16:12:08,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 04:12:08 WrapperNode [2021-10-07 16:12:08,363 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-07 16:12:08,365 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-07 16:12:08,365 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-07 16:12:08,365 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-07 16:12:08,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 04:12:08" (1/1) ... [2021-10-07 16:12:08,389 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 04:12:08" (1/1) ... [2021-10-07 16:12:08,428 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-07 16:12:08,429 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-07 16:12:08,429 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-07 16:12:08,430 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-07 16:12:08,442 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 04:12:08" (1/1) ... [2021-10-07 16:12:08,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 04:12:08" (1/1) ... [2021-10-07 16:12:08,448 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 04:12:08" (1/1) ... [2021-10-07 16:12:08,449 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 04:12:08" (1/1) ... [2021-10-07 16:12:08,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 04:12:08" (1/1) ... [2021-10-07 16:12:08,480 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 04:12:08" (1/1) ... [2021-10-07 16:12:08,485 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 04:12:08" (1/1) ... [2021-10-07 16:12:08,496 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-07 16:12:08,497 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-07 16:12:08,497 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-07 16:12:08,498 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-07 16:12:08,499 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 04:12:08" (1/1) ... [2021-10-07 16:12:08,510 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-07 16:12:08,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-07 16:12:08,545 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) [2021-10-07 16:12:08,568 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 [2021-10-07 16:12:08,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-07 16:12:08,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-07 16:12:08,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-07 16:12:08,623 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-07 16:12:08,623 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-07 16:12:08,623 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-07 16:12:08,623 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-07 16:12:08,624 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-07 16:12:08,624 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-07 16:12:08,624 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-10-07 16:12:08,624 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-10-07 16:12:08,624 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-07 16:12:08,624 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-07 16:12:08,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-07 16:12:08,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-07 16:12:08,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-07 16:12:08,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-07 16:12:08,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-07 16:12:08,628 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-07 16:12:10,820 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-07 16:12:10,821 INFO L299 CfgBuilder]: Removed 45 assume(true) statements. [2021-10-07 16:12:10,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 04:12:10 BoogieIcfgContainer [2021-10-07 16:12:10,828 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-07 16:12:10,830 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-07 16:12:10,831 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-07 16:12:10,835 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-07 16:12:10,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 04:12:07" (1/3) ... [2021-10-07 16:12:10,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@115db4b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 04:12:10, skipping insertion in model container [2021-10-07 16:12:10,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 04:12:08" (2/3) ... [2021-10-07 16:12:10,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@115db4b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 04:12:10, skipping insertion in model container [2021-10-07 16:12:10,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 04:12:10" (3/3) ... [2021-10-07 16:12:10,839 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-series.wvr.c [2021-10-07 16:12:10,846 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-07 16:12:10,846 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2021-10-07 16:12:10,847 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-07 16:12:10,917 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,917 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,917 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,918 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,918 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,918 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,918 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,918 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,919 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,919 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,919 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,919 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,920 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,920 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,920 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,920 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,921 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,921 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,921 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,921 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,922 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,922 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,922 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,922 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,923 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,923 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,923 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,923 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,923 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,924 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,924 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,924 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,924 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,924 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,925 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,925 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,926 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,926 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,926 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,926 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,927 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,927 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,927 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,927 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,928 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,928 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,928 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,928 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,928 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,929 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,929 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,929 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,929 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,930 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,930 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,930 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,930 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,931 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,931 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,931 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,931 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,932 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,932 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,932 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,932 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,933 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,933 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,933 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,933 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,934 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,934 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,934 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,935 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,935 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,935 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,935 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,936 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,936 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,936 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,936 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,937 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,937 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,937 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,937 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,938 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,938 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,938 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,938 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,939 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,939 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,939 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,939 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,940 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,940 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,941 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,941 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,941 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,941 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,942 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,942 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,942 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,942 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,943 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,943 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,943 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,943 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,943 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,944 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,944 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,944 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,944 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,945 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,949 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,949 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,949 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,950 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,950 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,950 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,950 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,951 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,953 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,954 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,954 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,954 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,954 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,955 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,957 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,957 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,958 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,958 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,958 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,958 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,959 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,959 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,961 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,962 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,962 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,962 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,962 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,962 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 16:12:10,971 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-10-07 16:12:11,036 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-07 16:12:11,052 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 [2021-10-07 16:12:11,053 INFO L340 AbstractCegarLoop]: Starting to check reachability of 52 error locations. [2021-10-07 16:12:11,110 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-07 16:12:11,147 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 254 places, 263 transitions, 558 flow [2021-10-07 16:12:11,151 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 254 places, 263 transitions, 558 flow [2021-10-07 16:12:11,153 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 254 places, 263 transitions, 558 flow [2021-10-07 16:12:11,275 INFO L129 PetriNetUnfolder]: 22/259 cut-off events. [2021-10-07 16:12:11,275 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-10-07 16:12:11,284 INFO L84 FinitePrefix]: Finished finitePrefix Result has 276 conditions, 259 events. 22/259 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 244 event pairs, 0 based on Foata normal form. 0/201 useless extension candidates. Maximal degree in co-relation 212. Up to 2 conditions per place. [2021-10-07 16:12:11,290 INFO L116 LiptonReduction]: Number of co-enabled transitions 2972 [2021-10-07 16:12:54,014 INFO L131 LiptonReduction]: Checked pairs total: 7183 [2021-10-07 16:12:54,015 INFO L133 LiptonReduction]: Total number of compositions: 272 [2021-10-07 16:12:54,030 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 81 places, 75 transitions, 182 flow [2021-10-07 16:12:54,383 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 6940 states, 5932 states have (on average 5.225556304787593) internal successors, (30998), 6939 states have internal predecessors, (30998), 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) [2021-10-07 16:12:54,436 INFO L276 IsEmpty]: Start isEmpty. Operand has 6940 states, 5932 states have (on average 5.225556304787593) internal successors, (30998), 6939 states have internal predecessors, (30998), 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) [2021-10-07 16:12:54,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-07 16:12:54,453 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 16:12:54,454 INFO L512 BasicCegarLoop]: trace histogram [1, 1] [2021-10-07 16:12:54,455 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 48 more)] === [2021-10-07 16:12:54,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 16:12:54,470 INFO L82 PathProgramCache]: Analyzing trace with hash 35903, now seen corresponding path program 1 times [2021-10-07 16:12:54,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 16:12:54,490 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1153715301] [2021-10-07 16:12:54,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 16:12:54,492 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 16:12:54,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 16:12:54,497 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) [2021-10-07 16:12:54,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-07 16:12:54,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 16:12:54,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-07 16:12:54,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 16:12:54,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-07 16:12:55,401 INFO L354 Elim1Store]: treesize reduction 345, result has 19.2 percent of original size [2021-10-07 16:12:55,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 6 case distinctions, treesize of input 26 treesize of output 89 [2021-10-07 16:12:55,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 16:12:55,522 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 16:12:55,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 16:12:55,689 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 16:12:55,689 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1153715301] [2021-10-07 16:12:55,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1153715301] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-07 16:12:55,690 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-07 16:12:55,690 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 2 [2021-10-07 16:12:55,692 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435182331] [2021-10-07 16:12:55,698 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-07 16:12:55,699 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 16:12:55,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-07 16:12:55,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-07 16:12:55,794 INFO L87 Difference]: Start difference. First operand has 6940 states, 5932 states have (on average 5.225556304787593) internal successors, (30998), 6939 states have internal predecessors, (30998), 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) [2021-10-07 16:12:57,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 16:12:57,247 INFO L93 Difference]: Finished difference Result 13880 states and 62001 transitions. [2021-10-07 16:12:57,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-07 16:12:57,250 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 [2021-10-07 16:12:57,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 16:12:57,601 INFO L225 Difference]: With dead ends: 13880 [2021-10-07 16:12:57,601 INFO L226 Difference]: Without dead ends: 13880 [2021-10-07 16:12:57,603 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 138.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-07 16:12:57,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13880 states. [2021-10-07 16:12:58,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13880 to 6945. [2021-10-07 16:12:58,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6945 states, 5938 states have (on average 5.223812731559447) internal successors, (31019), 6944 states have internal predecessors, (31019), 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) [2021-10-07 16:12:58,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6945 states to 6945 states and 31019 transitions. [2021-10-07 16:12:58,523 INFO L78 Accepts]: Start accepts. Automaton has 6945 states and 31019 transitions. Word has length 2 [2021-10-07 16:12:58,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 16:12:58,523 INFO L470 AbstractCegarLoop]: Abstraction has 6945 states and 31019 transitions. [2021-10-07 16:12:58,524 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) [2021-10-07 16:12:58,524 INFO L276 IsEmpty]: Start isEmpty. Operand 6945 states and 31019 transitions. [2021-10-07 16:12:58,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-07 16:12:58,524 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 16:12:58,525 INFO L512 BasicCegarLoop]: trace histogram [1, 1] [2021-10-07 16:12:58,559 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-07 16:12:58,728 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 [2021-10-07 16:12:58,729 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 48 more)] === [2021-10-07 16:12:58,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 16:12:58,731 INFO L82 PathProgramCache]: Analyzing trace with hash 35905, now seen corresponding path program 1 times [2021-10-07 16:12:58,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 16:12:58,732 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [57431544] [2021-10-07 16:12:58,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 16:12:58,732 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 16:12:58,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 16:12:58,734 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) [2021-10-07 16:12:58,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-07 16:12:58,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 16:12:58,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-07 16:12:58,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 16:12:59,233 INFO L354 Elim1Store]: treesize reduction 499, result has 13.2 percent of original size [2021-10-07 16:12:59,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 7 case distinctions, treesize of input 27 treesize of output 81 [2021-10-07 16:13:00,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 16:13:00,411 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 16:13:00,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 16:13:00,416 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 16:13:00,416 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [57431544] [2021-10-07 16:13:00,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [57431544] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-07 16:13:00,417 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-07 16:13:00,417 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 1 [2021-10-07 16:13:00,417 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041089092] [2021-10-07 16:13:00,419 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-07 16:13:00,419 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 16:13:00,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-07 16:13:00,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-07 16:13:00,421 INFO L87 Difference]: Start difference. First operand 6945 states and 31019 transitions. Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2021-10-07 16:13:00,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 16:13:00,937 INFO L93 Difference]: Finished difference Result 6942 states and 31010 transitions. [2021-10-07 16:13:00,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-07 16:13:00,938 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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 [2021-10-07 16:13:00,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 16:13:01,015 INFO L225 Difference]: With dead ends: 6942 [2021-10-07 16:13:01,015 INFO L226 Difference]: Without dead ends: 6942 [2021-10-07 16:13:01,016 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 30.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-07 16:13:01,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6942 states. [2021-10-07 16:13:01,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6942 to 6942. [2021-10-07 16:13:01,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6942 states, 5938 states have (on average 5.222297069720445) internal successors, (31010), 6941 states have internal predecessors, (31010), 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) [2021-10-07 16:13:01,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6942 states to 6942 states and 31010 transitions. [2021-10-07 16:13:01,634 INFO L78 Accepts]: Start accepts. Automaton has 6942 states and 31010 transitions. Word has length 2 [2021-10-07 16:13:01,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 16:13:01,634 INFO L470 AbstractCegarLoop]: Abstraction has 6942 states and 31010 transitions. [2021-10-07 16:13:01,635 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2021-10-07 16:13:01,636 INFO L276 IsEmpty]: Start isEmpty. Operand 6942 states and 31010 transitions. [2021-10-07 16:13:01,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-07 16:13:01,636 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 16:13:01,636 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1] [2021-10-07 16:13:01,655 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-07 16:13:01,855 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 [2021-10-07 16:13:01,856 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 48 more)] === [2021-10-07 16:13:01,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 16:13:01,858 INFO L82 PathProgramCache]: Analyzing trace with hash 34698367, now seen corresponding path program 1 times [2021-10-07 16:13:01,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 16:13:01,859 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [848867668] [2021-10-07 16:13:01,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 16:13:01,860 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 16:13:01,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 16:13:01,862 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) [2021-10-07 16:13:01,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-07 16:13:01,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 16:13:01,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-07 16:13:01,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 16:13:01,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-07 16:13:02,411 INFO L354 Elim1Store]: treesize reduction 345, result has 19.2 percent of original size [2021-10-07 16:13:02,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 6 case distinctions, treesize of input 26 treesize of output 89 [2021-10-07 16:13:02,618 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 16:13:02,618 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 16:13:03,129 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 16:13:03,130 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 16:13:03,130 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [848867668] [2021-10-07 16:13:03,131 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [848867668] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-07 16:13:03,131 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-07 16:13:03,131 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 6 [2021-10-07 16:13:03,131 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056734719] [2021-10-07 16:13:03,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-07 16:13:03,132 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 16:13:03,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-07 16:13:03,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-07 16:13:03,133 INFO L87 Difference]: Start difference. First operand 6942 states and 31010 transitions. Second operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 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) [2021-10-07 16:13:12,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 16:13:12,310 INFO L93 Difference]: Finished difference Result 34669 states and 154966 transitions. [2021-10-07 16:13:12,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-07 16:13:12,312 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 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 4 [2021-10-07 16:13:12,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 16:13:12,922 INFO L225 Difference]: With dead ends: 34669 [2021-10-07 16:13:12,923 INFO L226 Difference]: Without dead ends: 34669 [2021-10-07 16:13:12,924 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 867.7ms TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-10-07 16:13:13,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34669 states. [2021-10-07 16:13:14,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34669 to 6953. [2021-10-07 16:13:14,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6953 states, 5949 states have (on average 5.217347453353505) internal successors, (31038), 6952 states have internal predecessors, (31038), 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) [2021-10-07 16:13:14,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6953 states to 6953 states and 31038 transitions. [2021-10-07 16:13:14,286 INFO L78 Accepts]: Start accepts. Automaton has 6953 states and 31038 transitions. Word has length 4 [2021-10-07 16:13:14,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 16:13:14,287 INFO L470 AbstractCegarLoop]: Abstraction has 6953 states and 31038 transitions. [2021-10-07 16:13:14,287 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 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) [2021-10-07 16:13:14,288 INFO L276 IsEmpty]: Start isEmpty. Operand 6953 states and 31038 transitions. [2021-10-07 16:13:14,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-07 16:13:14,288 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 16:13:14,288 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-07 16:13:14,313 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-07 16:13:14,503 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 [2021-10-07 16:13:14,504 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 48 more)] === [2021-10-07 16:13:14,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 16:13:14,505 INFO L82 PathProgramCache]: Analyzing trace with hash 34753883, now seen corresponding path program 1 times [2021-10-07 16:13:14,506 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 16:13:14,506 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1737820781] [2021-10-07 16:13:14,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 16:13:14,507 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 16:13:14,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 16:13:14,508 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 16:13:14,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-07 16:13:14,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 16:13:14,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-07 16:13:14,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 16:13:15,360 INFO L354 Elim1Store]: treesize reduction 367, result has 14.1 percent of original size [2021-10-07 16:13:15,361 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 6 case distinctions, treesize of input 95 treesize of output 135 [2021-10-07 16:13:15,546 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-10-07 16:13:15,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1694 treesize of output 1610 [2021-10-07 16:13:22,409 INFO L354 Elim1Store]: treesize reduction 120, result has 35.5 percent of original size [2021-10-07 16:13:22,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 78 treesize of output 132 [2021-10-07 16:13:57,763 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 16:13:57,764 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1737820781] [2021-10-07 16:13:57,764 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Alternating quantifiers not yet supported [2021-10-07 16:13:57,765 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1718570712] [2021-10-07 16:13:57,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 16:13:57,765 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-07 16:13:57,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 [2021-10-07 16:13:57,773 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-07 16:13:57,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2021-10-07 16:13:57,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 16:13:57,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-07 16:13:57,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 16:13:58,566 INFO L354 Elim1Store]: treesize reduction 367, result has 14.1 percent of original size [2021-10-07 16:13:58,567 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 6 case distinctions, treesize of input 96 treesize of output 136 [2021-10-07 16:13:58,593 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-10-07 16:13:58,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 423 treesize of output 401 [2021-10-07 16:14:06,988 INFO L354 Elim1Store]: treesize reduction 120, result has 35.5 percent of original size [2021-10-07 16:14:06,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 78 treesize of output 132 [2021-10-07 16:14:42,890 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Alternating quantifiers not yet supported [2021-10-07 16:14:42,891 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1126415743] [2021-10-07 16:14:42,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 16:14:42,891 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-07 16:14:42,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-07 16:14:42,893 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-07 16:14:42,895 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-07 16:14:43,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 16:14:43,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 25 conjunts are in the unsatisfiable core [2021-10-07 16:14:43,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 16:14:43,595 INFO L354 Elim1Store]: treesize reduction 385, result has 9.8 percent of original size [2021-10-07 16:14:43,596 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 6 case distinctions, treesize of input 146 treesize of output 168 [2021-10-07 16:14:43,932 INFO L354 Elim1Store]: treesize reduction 547, result has 12.2 percent of original size [2021-10-07 16:14:43,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 820 treesize of output 821 [2021-10-07 16:15:00,105 INFO L354 Elim1Store]: treesize reduction 199, result has 29.7 percent of original size [2021-10-07 16:15:00,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 27 case distinctions, treesize of input 163 treesize of output 231 [2021-10-07 16:15:00,355 INFO L354 Elim1Store]: treesize reduction 212, result has 14.2 percent of original size [2021-10-07 16:15:00,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 221 treesize of output 240 [2021-10-07 16:15:37,412 INFO L354 Elim1Store]: treesize reduction 276, result has 12.7 percent of original size [2021-10-07 16:15:37,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 28 case distinctions, treesize of input 259 treesize of output 281 [2021-10-07 16:15:37,681 INFO L354 Elim1Store]: treesize reduction 123, result has 45.3 percent of original size [2021-10-07 16:15:37,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 263 treesize of output 348 [2021-10-07 16:19:09,111 WARN L207 SmtUtils]: Spent 1.48 m on a formula simplification. DAG size of input: 130 DAG size of output: 77 [2021-10-07 16:19:09,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 16:19:09,113 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 16:19:14,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 16:19:14,199 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1126415743] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-07 16:19:14,200 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-07 16:19:14,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 6 [2021-10-07 16:19:14,200 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378968756] [2021-10-07 16:19:14,201 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-07 16:19:14,201 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 16:19:14,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-07 16:19:14,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=74, Unknown=6, NotChecked=0, Total=110 [2021-10-07 16:19:14,202 INFO L87 Difference]: Start difference. First operand 6953 states and 31038 transitions. Second operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 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) [2021-10-07 16:19:24,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 16:19:24,229 INFO L93 Difference]: Finished difference Result 13456 states and 56242 transitions. [2021-10-07 16:19:24,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-07 16:19:24,230 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 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 4 [2021-10-07 16:19:24,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 16:19:24,378 INFO L225 Difference]: With dead ends: 13456 [2021-10-07 16:19:24,379 INFO L226 Difference]: Without dead ends: 13456 [2021-10-07 16:19:24,379 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 104368.3ms TimeCoverageRelationStatistics Valid=38, Invalid=88, Unknown=6, NotChecked=0, Total=132 [2021-10-07 16:19:24,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13456 states. [2021-10-07 16:19:24,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13456 to 4501. [2021-10-07 16:19:24,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4501 states, 3949 states have (on average 4.7546214231451) internal successors, (18776), 4500 states have internal predecessors, (18776), 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) [2021-10-07 16:19:24,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4501 states to 4501 states and 18776 transitions. [2021-10-07 16:19:24,714 INFO L78 Accepts]: Start accepts. Automaton has 4501 states and 18776 transitions. Word has length 4 [2021-10-07 16:19:24,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 16:19:24,714 INFO L470 AbstractCegarLoop]: Abstraction has 4501 states and 18776 transitions. [2021-10-07 16:19:24,715 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 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) [2021-10-07 16:19:24,715 INFO L276 IsEmpty]: Start isEmpty. Operand 4501 states and 18776 transitions. [2021-10-07 16:19:24,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-07 16:19:24,716 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 16:19:24,716 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-07 16:19:24,723 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2021-10-07 16:19:24,935 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-07 16:19:25,148 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-07 16:19:25,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt,5 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3,7 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-07 16:19:25,320 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err3REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 48 more)] === [2021-10-07 16:19:25,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 16:19:25,321 INFO L82 PathProgramCache]: Analyzing trace with hash -961228514, now seen corresponding path program 1 times [2021-10-07 16:19:25,322 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 16:19:25,323 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1262558667] [2021-10-07 16:19:25,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 16:19:25,323 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 16:19:25,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 16:19:25,325 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 16:19:25,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-07 16:19:25,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 16:19:25,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-07 16:19:25,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 16:19:25,503 INFO L388 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 8 treesize of output 7 [2021-10-07 16:19:25,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 16:19:25,596 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 16:19:26,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 16:19:26,078 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 16:19:26,078 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1262558667] [2021-10-07 16:19:26,078 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1262558667] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-07 16:19:26,078 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-07 16:19:26,078 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 6 [2021-10-07 16:19:26,079 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303138801] [2021-10-07 16:19:26,079 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-07 16:19:26,079 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 16:19:26,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-07 16:19:26,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-10-07 16:19:26,080 INFO L87 Difference]: Start difference. First operand 4501 states and 18776 transitions. Second operand has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 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) [2021-10-07 16:19:29,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 16:19:29,489 INFO L93 Difference]: Finished difference Result 12997 states and 53758 transitions. [2021-10-07 16:19:29,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-07 16:19:29,491 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 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 6 [2021-10-07 16:19:29,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 16:19:29,552 INFO L225 Difference]: With dead ends: 12997 [2021-10-07 16:19:29,552 INFO L226 Difference]: Without dead ends: 12997 [2021-10-07 16:19:29,553 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 694.6ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-10-07 16:19:29,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12997 states. [2021-10-07 16:19:29,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12997 to 6067. [2021-10-07 16:19:29,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6067 states, 5515 states have (on average 5.373164097914778) internal successors, (29633), 6066 states have internal predecessors, (29633), 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) [2021-10-07 16:19:29,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6067 states to 6067 states and 29633 transitions. [2021-10-07 16:19:29,915 INFO L78 Accepts]: Start accepts. Automaton has 6067 states and 29633 transitions. Word has length 6 [2021-10-07 16:19:29,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 16:19:29,916 INFO L470 AbstractCegarLoop]: Abstraction has 6067 states and 29633 transitions. [2021-10-07 16:19:29,916 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 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) [2021-10-07 16:19:29,917 INFO L276 IsEmpty]: Start isEmpty. Operand 6067 states and 29633 transitions. [2021-10-07 16:19:29,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-07 16:19:29,917 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 16:19:29,917 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-07 16:19:29,935 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-07 16:19:30,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-07 16:19:30,133 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 48 more)] === [2021-10-07 16:19:30,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 16:19:30,134 INFO L82 PathProgramCache]: Analyzing trace with hash -961228513, now seen corresponding path program 1 times [2021-10-07 16:19:30,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 16:19:30,135 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [715569684] [2021-10-07 16:19:30,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 16:19:30,135 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 16:19:30,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 16:19:30,137 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 16:19:30,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-07 16:19:30,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 16:19:30,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-07 16:19:30,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 16:19:30,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 16:19:30,355 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 16:19:30,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 16:19:30,417 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 16:19:30,417 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [715569684] [2021-10-07 16:19:30,418 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [715569684] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-07 16:19:30,418 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-07 16:19:30,418 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 4 [2021-10-07 16:19:30,418 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346583973] [2021-10-07 16:19:30,418 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-07 16:19:30,419 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 16:19:30,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-07 16:19:30,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-07 16:19:30,419 INFO L87 Difference]: Start difference. First operand 6067 states and 29633 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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) [2021-10-07 16:19:30,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 16:19:30,742 INFO L93 Difference]: Finished difference Result 7237 states and 33628 transitions. [2021-10-07 16:19:30,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-07 16:19:30,745 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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 6 [2021-10-07 16:19:30,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 16:19:30,784 INFO L225 Difference]: With dead ends: 7237 [2021-10-07 16:19:30,784 INFO L226 Difference]: Without dead ends: 7236 [2021-10-07 16:19:30,784 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 50.7ms TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-07 16:19:30,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7236 states. [2021-10-07 16:19:31,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7236 to 6938. [2021-10-07 16:19:31,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6938 states, 6326 states have (on average 5.197281062282643) internal successors, (32878), 6937 states have internal predecessors, (32878), 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) [2021-10-07 16:19:31,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6938 states to 6938 states and 32878 transitions. [2021-10-07 16:19:31,094 INFO L78 Accepts]: Start accepts. Automaton has 6938 states and 32878 transitions. Word has length 6 [2021-10-07 16:19:31,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 16:19:31,095 INFO L470 AbstractCegarLoop]: Abstraction has 6938 states and 32878 transitions. [2021-10-07 16:19:31,095 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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) [2021-10-07 16:19:31,095 INFO L276 IsEmpty]: Start isEmpty. Operand 6938 states and 32878 transitions. [2021-10-07 16:19:31,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-07 16:19:31,096 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 16:19:31,096 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-07 16:19:31,114 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-07 16:19:31,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-07 16:19:31,310 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 48 more)] === [2021-10-07 16:19:31,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 16:19:31,311 INFO L82 PathProgramCache]: Analyzing trace with hash -961228384, now seen corresponding path program 1 times [2021-10-07 16:19:31,311 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 16:19:31,312 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [949055436] [2021-10-07 16:19:31,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 16:19:31,312 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 16:19:31,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 16:19:31,314 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 16:19:31,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-07 16:19:31,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 16:19:31,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-07 16:19:31,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 16:19:32,110 INFO L354 Elim1Store]: treesize reduction 361, result has 15.5 percent of original size [2021-10-07 16:19:32,111 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 6 case distinctions, treesize of input 76 treesize of output 122 [2021-10-07 16:19:32,128 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-07 16:19:32,128 INFO L388 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 454 treesize of output 444 [2021-10-07 16:19:43,979 INFO L354 Elim1Store]: treesize reduction 120, result has 35.5 percent of original size [2021-10-07 16:19:43,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 74 treesize of output 128 [2021-10-07 16:20:13,349 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 16:20:13,349 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [949055436] [2021-10-07 16:20:13,349 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Alternating quantifiers not yet supported [2021-10-07 16:20:13,350 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1817844840] [2021-10-07 16:20:13,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 16:20:13,350 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-07 16:20:13,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 [2021-10-07 16:20:13,353 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-07 16:20:13,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2021-10-07 16:20:13,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 16:20:13,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-07 16:20:13,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 16:20:14,367 INFO L354 Elim1Store]: treesize reduction 361, result has 15.5 percent of original size [2021-10-07 16:20:14,368 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 6 case distinctions, treesize of input 77 treesize of output 123 [2021-10-07 16:20:14,510 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-07 16:20:14,511 INFO L388 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 493 treesize of output 469 [2021-10-07 16:20:26,365 INFO L354 Elim1Store]: treesize reduction 120, result has 35.5 percent of original size [2021-10-07 16:20:26,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 74 treesize of output 128 [2021-10-07 16:21:02,484 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Alternating quantifiers not yet supported [2021-10-07 16:21:02,485 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [368400889] [2021-10-07 16:21:02,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 16:21:02,485 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-07 16:21:02,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-07 16:21:02,486 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-07 16:21:02,487 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-10-07 16:21:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 16:21:02,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-07 16:21:02,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 16:21:03,241 INFO L354 Elim1Store]: treesize reduction 379, result has 11.2 percent of original size [2021-10-07 16:21:03,241 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 6 case distinctions, treesize of input 133 treesize of output 161 [2021-10-07 16:21:03,832 INFO L354 Elim1Store]: treesize reduction 523, result has 12.7 percent of original size [2021-10-07 16:21:03,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 12 case distinctions, treesize of input 591 treesize of output 626 [2021-10-07 16:21:17,808 INFO L354 Elim1Store]: treesize reduction 212, result has 14.2 percent of original size [2021-10-07 16:21:17,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 162 treesize of output 181 [2021-10-07 16:21:18,209 INFO L354 Elim1Store]: treesize reduction 199, result has 29.7 percent of original size [2021-10-07 16:21:18,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 27 case distinctions, treesize of input 166 treesize of output 234 [2021-10-07 16:22:21,775 INFO L354 Elim1Store]: treesize reduction 276, result has 12.7 percent of original size [2021-10-07 16:22:21,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 28 case distinctions, treesize of input 238 treesize of output 260 [2021-10-07 16:22:22,105 INFO L354 Elim1Store]: treesize reduction 134, result has 40.4 percent of original size [2021-10-07 16:22:22,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 242 treesize of output 316 Received shutdown request... [2021-10-07 16:25:55,203 WARN L223 SmtUtils]: Removed 1 from assertion stack [2021-10-07 16:25:55,205 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr9REQUIRES_VIOLATION [2021-10-07 16:25:55,220 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-07 16:25:55,223 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-07 16:25:55,223 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-07 16:25:55,223 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-07 16:25:55,223 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (11)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-07 16:25:55,419 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2021-10-07 16:25:55,645 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-10-07 16:25:55,816 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3,11 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt,12 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-07 16:25:55,817 WARN L594 AbstractCegarLoop]: Verification canceled: while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 3ms.. [2021-10-07 16:25:55,820 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err0REQUIRES_VIOLATION [2021-10-07 16:25:55,820 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err1REQUIRES_VIOLATION [2021-10-07 16:25:55,820 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err2REQUIRES_VIOLATION [2021-10-07 16:25:55,820 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err3REQUIRES_VIOLATION [2021-10-07 16:25:55,820 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err0REQUIRES_VIOLATION [2021-10-07 16:25:55,820 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err1REQUIRES_VIOLATION [2021-10-07 16:25:55,820 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err2REQUIRES_VIOLATION [2021-10-07 16:25:55,821 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err3REQUIRES_VIOLATION [2021-10-07 16:25:55,821 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err0REQUIRES_VIOLATION [2021-10-07 16:25:55,821 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err1REQUIRES_VIOLATION [2021-10-07 16:25:55,821 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0REQUIRES_VIOLATION [2021-10-07 16:25:55,821 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1REQUIRES_VIOLATION [2021-10-07 16:25:55,821 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2REQUIRES_VIOLATION [2021-10-07 16:25:55,822 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3REQUIRES_VIOLATION [2021-10-07 16:25:55,822 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4REQUIRES_VIOLATION [2021-10-07 16:25:55,822 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5REQUIRES_VIOLATION [2021-10-07 16:25:55,822 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr6REQUIRES_VIOLATION [2021-10-07 16:25:55,822 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr7REQUIRES_VIOLATION [2021-10-07 16:25:55,822 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr8REQUIRES_VIOLATION [2021-10-07 16:25:55,823 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr10REQUIRES_VIOLATION [2021-10-07 16:25:55,823 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr11REQUIRES_VIOLATION [2021-10-07 16:25:55,823 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr12REQUIRES_VIOLATION [2021-10-07 16:25:55,823 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr13REQUIRES_VIOLATION [2021-10-07 16:25:55,823 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr14REQUIRES_VIOLATION [2021-10-07 16:25:55,823 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr15REQUIRES_VIOLATION [2021-10-07 16:25:55,823 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr16REQUIRES_VIOLATION [2021-10-07 16:25:55,824 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr17REQUIRES_VIOLATION [2021-10-07 16:25:55,824 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr18REQUIRES_VIOLATION [2021-10-07 16:25:55,824 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr19REQUIRES_VIOLATION [2021-10-07 16:25:55,824 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr20REQUIRES_VIOLATION [2021-10-07 16:25:55,824 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr21REQUIRES_VIOLATION [2021-10-07 16:25:55,824 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK [2021-10-07 16:25:55,825 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK [2021-10-07 16:25:55,825 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-07 16:25:55,825 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-07 16:25:55,825 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-07 16:25:55,825 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION [2021-10-07 16:25:55,825 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err0REQUIRES_VIOLATION [2021-10-07 16:25:55,825 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err1REQUIRES_VIOLATION [2021-10-07 16:25:55,825 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err0REQUIRES_VIOLATION [2021-10-07 16:25:55,826 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err1REQUIRES_VIOLATION [2021-10-07 16:25:55,826 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err2REQUIRES_VIOLATION [2021-10-07 16:25:55,826 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err3REQUIRES_VIOLATION [2021-10-07 16:25:55,826 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err0REQUIRES_VIOLATION [2021-10-07 16:25:55,826 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err1REQUIRES_VIOLATION [2021-10-07 16:25:55,826 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err2REQUIRES_VIOLATION [2021-10-07 16:25:55,826 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err3REQUIRES_VIOLATION [2021-10-07 16:25:55,827 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err0REQUIRES_VIOLATION [2021-10-07 16:25:55,827 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err1REQUIRES_VIOLATION [2021-10-07 16:25:55,827 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err0REQUIRES_VIOLATION [2021-10-07 16:25:55,827 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err1REQUIRES_VIOLATION [2021-10-07 16:25:55,835 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-07 16:25:55,835 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-07 16:25:55,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 04:25:55 BasicIcfg [2021-10-07 16:25:55,837 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-07 16:25:55,839 INFO L168 Benchmark]: Toolchain (without parser) took 827885.11 ms. Allocated memory was 153.1 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 128.0 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.3 GB. Max. memory is 8.0 GB. [2021-10-07 16:25:55,839 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 153.1 MB. Free memory is still 125.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-07 16:25:55,839 INFO L168 Benchmark]: CACSL2BoogieTranslator took 399.52 ms. Allocated memory is still 153.1 MB. Free memory was 127.7 MB in the beginning and 113.6 MB in the end (delta: 14.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-10-07 16:25:55,840 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.65 ms. Allocated memory is still 153.1 MB. Free memory was 113.6 MB in the beginning and 111.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-07 16:25:55,840 INFO L168 Benchmark]: Boogie Preprocessor took 67.05 ms. Allocated memory is still 153.1 MB. Free memory was 111.2 MB in the beginning and 109.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-10-07 16:25:55,841 INFO L168 Benchmark]: RCFGBuilder took 2331.38 ms. Allocated memory is still 153.1 MB. Free memory was 109.0 MB in the beginning and 90.5 MB in the end (delta: 18.5 MB). Peak memory consumption was 17.6 MB. Max. memory is 8.0 GB. [2021-10-07 16:25:55,841 INFO L168 Benchmark]: TraceAbstraction took 825007.22 ms. Allocated memory was 153.1 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 90.0 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.2 GB. Max. memory is 8.0 GB. [2021-10-07 16:25:55,845 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 153.1 MB. Free memory is still 125.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 399.52 ms. Allocated memory is still 153.1 MB. Free memory was 127.7 MB in the beginning and 113.6 MB in the end (delta: 14.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 63.65 ms. Allocated memory is still 153.1 MB. Free memory was 113.6 MB in the beginning and 111.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 67.05 ms. Allocated memory is still 153.1 MB. Free memory was 111.2 MB in the beginning and 109.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2331.38 ms. Allocated memory is still 153.1 MB. Free memory was 109.0 MB in the beginning and 90.5 MB in the end (delta: 18.5 MB). Peak memory consumption was 17.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 825007.22 ms. Allocated memory was 153.1 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 90.0 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.2 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 42864.1ms, 254 PlacesBefore, 81 PlacesAfterwards, 263 TransitionsBefore, 75 TransitionsAfterwards, 2972 CoEnabledTransitionPairs, 7 FixpointIterations, 164 TrivialSequentialCompositions, 53 ConcurrentSequentialCompositions, 32 TrivialYvCompositions, 8 ConcurrentYvCompositions, 15 ChoiceCompositions, 272 TotalNumberOfCompositions, 7183 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4593, positive: 4465, positive conditional: 0, positive unconditional: 4465, negative: 128, negative conditional: 0, negative unconditional: 128, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1697, positive: 1669, positive conditional: 0, positive unconditional: 1669, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1697, positive: 1662, positive conditional: 0, positive unconditional: 1662, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 35, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3100, positive: 1316, positive conditional: 0, positive unconditional: 1316, negative: 1784, negative conditional: 0, negative unconditional: 1784, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4593, positive: 2796, positive conditional: 0, positive unconditional: 2796, negative: 100, negative conditional: 0, negative unconditional: 100, unknown: 1697, unknown conditional: 0, unknown unconditional: 1697] , Statistics on independence cache: Total cache size (in pairs): 308, Positive cache size: 297, Positive conditional cache size: 0, Positive unconditional cache size: 297, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11 - 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 - TimeoutResultAtElement [Line: 118]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 3ms.. - TimeoutResultAtElement [Line: 50]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 3ms.. - TimeoutResultAtElement [Line: 50]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 3ms.. - TimeoutResultAtElement [Line: 50]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 3ms.. - TimeoutResultAtElement [Line: 50]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 3ms.. - TimeoutResultAtElement [Line: 65]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 3ms.. - TimeoutResultAtElement [Line: 65]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 3ms.. - TimeoutResultAtElement [Line: 65]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 3ms.. - TimeoutResultAtElement [Line: 65]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 3ms.. - TimeoutResultAtElement [Line: 80]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 3ms.. - TimeoutResultAtElement [Line: 80]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 3ms.. - TimeoutResultAtElement [Line: 138]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 3ms.. - TimeoutResultAtElement [Line: 138]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 3ms.. - TimeoutResultAtElement [Line: 138]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 3ms.. - TimeoutResultAtElement [Line: 138]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 3ms.. - TimeoutResultAtElement [Line: 138]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 3ms.. - TimeoutResultAtElement [Line: 138]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 3ms.. - TimeoutResultAtElement [Line: 117]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 3ms.. - TimeoutResultAtElement [Line: 117]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 3ms.. - TimeoutResultAtElement [Line: 118]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 3ms.. - TimeoutResultAtElement [Line: 119]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 3ms.. - TimeoutResultAtElement [Line: 119]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 3ms.. - TimeoutResultAtElement [Line: 120]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 3ms.. - TimeoutResultAtElement [Line: 120]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 3ms.. - TimeoutResultAtElement [Line: 121]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 3ms.. - TimeoutResultAtElement [Line: 121]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 3ms.. - TimeoutResultAtElement [Line: 122]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 3ms.. - TimeoutResultAtElement [Line: 122]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 3ms.. - TimeoutResultAtElement [Line: 123]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 3ms.. - TimeoutResultAtElement [Line: 123]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 3ms.. - TimeoutResultAtElement [Line: 124]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 3ms.. - TimeoutResultAtElement [Line: 124]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 3ms.. - TimeoutResultAtElement [Line: 127]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 3ms.. - TimeoutResultAtElement [Line: 100]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 3ms.. - TimeoutResultAtElement [Line: 119]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 3ms.. - TimeoutResultAtElement [Line: 117]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 3ms.. - TimeoutResultAtElement [Line: 118]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 3ms.. - TimeoutResultAtElement [Line: 120]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 3ms.. - TimeoutResultAtElement [Line: 92]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 3ms.. - TimeoutResultAtElement [Line: 92]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 3ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 280 locations, 52 error locations. Started 1 CEGAR loops. OverallTime: 824798.7ms, OverallIterations: 7, TraceHistogramMax: 2, EmptinessCheckTime: 73.7ms, AutomataDifference: 26308.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 43328.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 247 SDtfs, 1732 SDslu, 479 SDs, 0 SdLazy, 943 SolverSat, 120 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 18938.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 106150.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=6953occurred in iteration=3, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 3887.8ms AutomataMinimizationTime, 6 MinimizatonAttempts, 50834 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 84.0ms SsaConstructionTime, 194.6ms SatisfiabilityAnalysisTime, 275712.9ms InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 36 ConstructedInterpolants, 7 QuantifiedInterpolants, 1131 SizeOfPredicates, 48 NumberOfNonLiveVariables, 453 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 0/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown