/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/chl-file-item-trans.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-8c2bbc9 [2021-10-07 15:30:50,474 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-07 15:30:50,479 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-07 15:30:50,537 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-07 15:30:50,538 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-07 15:30:50,545 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-07 15:30:50,556 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-07 15:30:50,562 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-07 15:30:50,565 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-07 15:30:50,572 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-07 15:30:50,574 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-07 15:30:50,576 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-07 15:30:50,576 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-07 15:30:50,580 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-07 15:30:50,583 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-07 15:30:50,589 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-07 15:30:50,591 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-07 15:30:50,594 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-07 15:30:50,603 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-07 15:30:50,605 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-07 15:30:50,608 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-07 15:30:50,610 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-07 15:30:50,612 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-07 15:30:50,615 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-07 15:30:50,624 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-07 15:30:50,628 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-07 15:30:50,629 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-07 15:30:50,630 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-07 15:30:50,630 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-07 15:30:50,633 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-07 15:30:50,633 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-07 15:30:50,634 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-07 15:30:50,636 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-07 15:30:50,637 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-07 15:30:50,639 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-07 15:30:50,640 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-07 15:30:50,640 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-07 15:30:50,641 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-07 15:30:50,641 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-07 15:30:50,642 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-07 15:30:50,643 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-07 15:30:50,647 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 15:30:50,703 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-07 15:30:50,703 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-07 15:30:50,704 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-07 15:30:50,704 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-07 15:30:50,708 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-07 15:30:50,708 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-07 15:30:50,708 INFO L138 SettingsManager]: * Use SBE=true [2021-10-07 15:30:50,709 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-07 15:30:50,710 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-07 15:30:50,710 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-07 15:30:50,712 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-07 15:30:50,712 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-07 15:30:50,712 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-07 15:30:50,712 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-07 15:30:50,712 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-07 15:30:50,713 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-07 15:30:50,713 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-07 15:30:50,713 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-07 15:30:50,713 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-07 15:30:50,713 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-07 15:30:50,714 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-07 15:30:50,714 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-07 15:30:50,715 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-07 15:30:50,715 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-07 15:30:50,715 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-07 15:30:50,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-07 15:30:50,715 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-07 15:30:50,716 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-07 15:30:50,716 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-07 15:30:50,716 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-07 15:30:50,716 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-07 15:30:50,716 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-07 15:30:50,717 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-07 15:30:51,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-07 15:30:51,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-07 15:30:51,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-07 15:30:51,147 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-07 15:30:51,148 INFO L275 PluginConnector]: CDTParser initialized [2021-10-07 15:30:51,149 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-file-item-trans.wvr.c [2021-10-07 15:30:51,227 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/66cf32c37/28385626f390450887b18ef7721ab0de/FLAG7595c1338 [2021-10-07 15:30:51,861 INFO L306 CDTParser]: Found 1 translation units. [2021-10-07 15:30:51,861 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl-file-item-trans.wvr.c [2021-10-07 15:30:51,872 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/66cf32c37/28385626f390450887b18ef7721ab0de/FLAG7595c1338 [2021-10-07 15:30:52,213 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/66cf32c37/28385626f390450887b18ef7721ab0de [2021-10-07 15:30:52,217 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-07 15:30:52,234 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-07 15:30:52,237 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-07 15:30:52,238 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-07 15:30:52,242 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-07 15:30:52,244 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:30:52" (1/1) ... [2021-10-07 15:30:52,247 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ded03d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:30:52, skipping insertion in model container [2021-10-07 15:30:52,247 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:30:52" (1/1) ... [2021-10-07 15:30:52,258 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-07 15:30:52,287 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-07 15:30:52,524 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/chl-file-item-trans.wvr.c[2769,2782] [2021-10-07 15:30:52,528 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-07 15:30:52,545 INFO L203 MainTranslator]: Completed pre-run [2021-10-07 15:30:52,575 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/chl-file-item-trans.wvr.c[2769,2782] [2021-10-07 15:30:52,576 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-07 15:30:52,598 INFO L208 MainTranslator]: Completed translation [2021-10-07 15:30:52,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:30:52 WrapperNode [2021-10-07 15:30:52,599 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-07 15:30:52,601 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-07 15:30:52,601 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-07 15:30:52,601 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-07 15:30:52,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:30:52" (1/1) ... [2021-10-07 15:30:52,626 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:30:52" (1/1) ... [2021-10-07 15:30:52,649 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-07 15:30:52,650 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-07 15:30:52,650 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-07 15:30:52,650 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-07 15:30:52,659 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:30:52" (1/1) ... [2021-10-07 15:30:52,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:30:52" (1/1) ... [2021-10-07 15:30:52,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:30:52" (1/1) ... [2021-10-07 15:30:52,665 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:30:52" (1/1) ... [2021-10-07 15:30:52,673 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:30:52" (1/1) ... [2021-10-07 15:30:52,676 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:30:52" (1/1) ... [2021-10-07 15:30:52,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:30:52" (1/1) ... [2021-10-07 15:30:52,682 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-07 15:30:52,683 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-07 15:30:52,684 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-07 15:30:52,684 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-07 15:30:52,684 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:30:52" (1/1) ... [2021-10-07 15:30:52,697 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-07 15:30:52,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-07 15:30:52,732 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 15:30:52,755 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 15:30:52,803 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-07 15:30:52,803 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-07 15:30:52,803 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-07 15:30:52,804 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-07 15:30:52,804 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-07 15:30:52,804 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-07 15:30:52,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-07 15:30:52,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-07 15:30:52,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-07 15:30:52,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-07 15:30:52,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-07 15:30:52,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-07 15:30:52,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-07 15:30:52,808 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 15:30:53,457 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-07 15:30:53,457 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-07 15:30:53,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:30:53 BoogieIcfgContainer [2021-10-07 15:30:53,464 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-07 15:30:53,467 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-07 15:30:53,467 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-07 15:30:53,472 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-07 15:30:53,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:30:52" (1/3) ... [2021-10-07 15:30:53,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5acb27ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:30:53, skipping insertion in model container [2021-10-07 15:30:53,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:30:52" (2/3) ... [2021-10-07 15:30:53,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5acb27ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:30:53, skipping insertion in model container [2021-10-07 15:30:53,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:30:53" (3/3) ... [2021-10-07 15:30:53,479 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-file-item-trans.wvr.c [2021-10-07 15:30:53,493 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-07 15:30:53,494 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2021-10-07 15:30:53,494 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-07 15:30:53,579 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,580 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,580 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,581 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,581 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,581 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,581 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,582 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,582 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,582 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,582 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,582 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,583 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,583 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,583 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,584 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,584 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,584 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,584 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,584 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,585 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,585 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,585 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,585 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,586 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,586 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,586 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,586 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,587 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,587 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,587 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,587 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,587 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,588 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,588 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,588 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,588 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,588 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,589 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,589 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,589 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,589 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,589 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,590 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,590 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,590 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,590 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,591 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,591 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,591 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,591 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,591 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,592 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,593 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,593 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,593 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,593 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,594 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,594 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,594 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,594 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,595 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,595 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,595 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,595 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,595 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,596 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,596 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,596 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,597 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,597 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,597 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,597 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,598 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,598 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,598 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,598 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,599 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,599 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,599 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,599 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,599 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,600 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,600 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,600 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,600 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,600 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,601 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,601 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,601 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,601 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,601 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,602 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,602 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,602 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,602 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,603 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,603 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,603 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,603 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,603 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,604 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,604 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,604 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,605 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,606 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,606 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,606 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,606 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,606 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,607 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,607 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,607 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,607 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,608 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,608 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,608 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,608 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,609 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,609 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,609 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,609 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,610 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,610 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,610 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,610 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,611 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,611 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,611 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,612 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,612 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,612 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,612 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,612 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,613 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,613 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,613 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,613 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,613 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,614 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,614 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,614 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,614 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,614 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,615 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,615 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,615 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,615 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,616 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,616 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,616 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,616 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,616 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,617 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,617 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,617 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,621 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,622 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,622 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,622 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,623 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,623 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,623 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,623 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,629 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,630 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,630 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,630 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,631 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,631 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,631 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,631 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,634 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,634 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,634 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,634 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,635 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,635 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,635 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,635 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:30:53,644 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-07 15:30:53,722 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-07 15:30:53,733 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 15:30:53,734 INFO L340 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2021-10-07 15:30:53,769 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-07 15:30:53,793 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 195 places, 204 transitions, 432 flow [2021-10-07 15:30:53,797 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 195 places, 204 transitions, 432 flow [2021-10-07 15:30:53,799 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 195 places, 204 transitions, 432 flow [2021-10-07 15:30:53,967 INFO L129 PetriNetUnfolder]: 19/201 cut-off events. [2021-10-07 15:30:53,968 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-10-07 15:30:53,979 INFO L84 FinitePrefix]: Finished finitePrefix Result has 214 conditions, 201 events. 19/201 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 433 event pairs, 0 based on Foata normal form. 0/168 useless extension candidates. Maximal degree in co-relation 134. Up to 2 conditions per place. [2021-10-07 15:30:53,993 INFO L116 LiptonReduction]: Number of co-enabled transitions 10098 [2021-10-07 15:31:12,945 INFO L131 LiptonReduction]: Checked pairs total: 11260 [2021-10-07 15:31:12,945 INFO L133 LiptonReduction]: Total number of compositions: 272 [2021-10-07 15:31:12,956 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 43 places, 33 transitions, 90 flow [2021-10-07 15:31:12,986 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 87 states, 73 states have (on average 2.287671232876712) internal successors, (167), 86 states have internal predecessors, (167), 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 15:31:12,991 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 73 states have (on average 2.287671232876712) internal successors, (167), 86 states have internal predecessors, (167), 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 15:31:12,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2021-10-07 15:31:12,997 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:31:12,997 INFO L512 BasicCegarLoop]: trace histogram [1] [2021-10-07 15:31:12,998 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 13 more)] === [2021-10-07 15:31:13,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:31:13,005 INFO L82 PathProgramCache]: Analyzing trace with hash 876, now seen corresponding path program 1 times [2021-10-07 15:31:13,018 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:31:13,019 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1225308846] [2021-10-07 15:31:13,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:31:13,020 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:31:13,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:31:13,024 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 15:31:13,040 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 15:31:13,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:31:13,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 3 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-07 15:31:13,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:31:13,110 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 15:31:13,110 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:31:13,112 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 15:31:13,113 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:31:13,114 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1225308846] [2021-10-07 15:31:13,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1225308846] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-07 15:31:13,115 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:31:13,115 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0, 0] imperfect sequences [] total 0 [2021-10-07 15:31:13,117 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784800639] [2021-10-07 15:31:13,125 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-07 15:31:13,126 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:31:13,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-07 15:31:13,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-07 15:31:13,147 INFO L87 Difference]: Start difference. First operand has 87 states, 73 states have (on average 2.287671232876712) internal successors, (167), 86 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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 15:31:13,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:31:13,166 INFO L93 Difference]: Finished difference Result 84 states and 164 transitions. [2021-10-07 15:31:13,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-07 15:31:13,167 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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 1 [2021-10-07 15:31:13,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:31:13,180 INFO L225 Difference]: With dead ends: 84 [2021-10-07 15:31:13,180 INFO L226 Difference]: Without dead ends: 84 [2021-10-07 15:31:13,182 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-07 15:31:13,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2021-10-07 15:31:13,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2021-10-07 15:31:13,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 73 states have (on average 2.2465753424657535) internal successors, (164), 83 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:31:13,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 164 transitions. [2021-10-07 15:31:13,230 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 164 transitions. Word has length 1 [2021-10-07 15:31:13,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:31:13,231 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 164 transitions. [2021-10-07 15:31:13,231 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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 15:31:13,231 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 164 transitions. [2021-10-07 15:31:13,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-07 15:31:13,232 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:31:13,232 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-07 15:31:13,248 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 15:31:13,444 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 15:31:13,445 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 13 more)] === [2021-10-07 15:31:13,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:31:13,447 INFO L82 PathProgramCache]: Analyzing trace with hash 859685, now seen corresponding path program 1 times [2021-10-07 15:31:13,448 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:31:13,448 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [420898800] [2021-10-07 15:31:13,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:31:13,448 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:31:13,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:31:13,450 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 15:31:13,453 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 15:31:13,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:31:13,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-07 15:31:13,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:31:13,722 INFO L354 Elim1Store]: treesize reduction 38, result has 30.9 percent of original size [2021-10-07 15:31:13,724 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 2 case distinctions, treesize of input 12 treesize of output 22 [2021-10-07 15:31:13,806 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 15:31:13,806 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:31:13,826 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 15:31:13,830 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:31:13,831 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [420898800] [2021-10-07 15:31:13,831 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [420898800] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-07 15:31:13,831 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:31:13,831 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 1 [2021-10-07 15:31:13,832 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018119500] [2021-10-07 15:31:13,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-07 15:31:13,834 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:31:13,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-07 15:31:13,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-07 15:31:13,838 INFO L87 Difference]: Start difference. First operand 84 states and 164 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 15:31:13,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:31:13,890 INFO L93 Difference]: Finished difference Result 78 states and 153 transitions. [2021-10-07 15:31:13,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-07 15:31:13,891 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2021-10-07 15:31:13,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:31:13,893 INFO L225 Difference]: With dead ends: 78 [2021-10-07 15:31:13,893 INFO L226 Difference]: Without dead ends: 78 [2021-10-07 15:31:13,894 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 22.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-07 15:31:13,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-10-07 15:31:13,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2021-10-07 15:31:13,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 69 states have (on average 2.217391304347826) internal successors, (153), 77 states have internal predecessors, (153), 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 15:31:13,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 153 transitions. [2021-10-07 15:31:13,906 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 153 transitions. Word has length 3 [2021-10-07 15:31:13,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:31:13,907 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 153 transitions. [2021-10-07 15:31:13,907 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 15:31:13,907 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 153 transitions. [2021-10-07 15:31:13,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-07 15:31:13,908 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:31:13,909 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-07 15:31:13,930 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 15:31:14,110 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 15:31:14,110 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 13 more)] === [2021-10-07 15:31:14,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:31:14,111 INFO L82 PathProgramCache]: Analyzing trace with hash 859686, now seen corresponding path program 1 times [2021-10-07 15:31:14,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:31:14,112 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1057283247] [2021-10-07 15:31:14,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:31:14,112 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:31:14,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:31:14,120 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 15:31:14,153 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 15:31:14,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:31:14,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-07 15:31:14,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:31:14,377 INFO L354 Elim1Store]: treesize reduction 141, result has 23.8 percent of original size [2021-10-07 15:31:14,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 18 treesize of output 49 [2021-10-07 15:31:14,538 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 15:31:14,538 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:31:14,594 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 15:31:14,594 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:31:14,594 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1057283247] [2021-10-07 15:31:14,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1057283247] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-07 15:31:14,595 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:31:14,595 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 2 [2021-10-07 15:31:14,595 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185054233] [2021-10-07 15:31:14,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-07 15:31:14,596 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:31:14,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-07 15:31:14,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-07 15:31:14,597 INFO L87 Difference]: Start difference. First operand 78 states and 153 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 15:31:14,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:31:14,648 INFO L93 Difference]: Finished difference Result 72 states and 142 transitions. [2021-10-07 15:31:14,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-07 15:31:14,649 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 3 [2021-10-07 15:31:14,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:31:14,650 INFO L225 Difference]: With dead ends: 72 [2021-10-07 15:31:14,651 INFO L226 Difference]: Without dead ends: 72 [2021-10-07 15:31:14,651 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 50.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-07 15:31:14,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2021-10-07 15:31:14,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2021-10-07 15:31:14,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 65 states have (on average 2.1846153846153844) internal successors, (142), 71 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:31:14,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 142 transitions. [2021-10-07 15:31:14,662 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 142 transitions. Word has length 3 [2021-10-07 15:31:14,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:31:14,662 INFO L470 AbstractCegarLoop]: Abstraction has 72 states and 142 transitions. [2021-10-07 15:31:14,662 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 15:31:14,663 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 142 transitions. [2021-10-07 15:31:14,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-07 15:31:14,663 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:31:14,663 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-07 15:31:14,681 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 15:31:14,879 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 15:31:14,880 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 13 more)] === [2021-10-07 15:31:14,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:31:14,881 INFO L82 PathProgramCache]: Analyzing trace with hash 826177941, now seen corresponding path program 1 times [2021-10-07 15:31:14,883 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:31:14,883 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [309452502] [2021-10-07 15:31:14,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:31:14,884 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:31:14,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:31:14,886 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 15:31:14,891 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 15:31:14,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:31:14,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-07 15:31:14,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:31:14,986 INFO L354 Elim1Store]: treesize reduction 38, result has 30.9 percent of original size [2021-10-07 15:31:14,986 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 2 case distinctions, treesize of input 12 treesize of output 22 [2021-10-07 15:31:15,026 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 15:31:15,027 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:31:15,044 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 15:31:15,045 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:31:15,045 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [309452502] [2021-10-07 15:31:15,045 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [309452502] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-07 15:31:15,045 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:31:15,046 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 1 [2021-10-07 15:31:15,046 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615774392] [2021-10-07 15:31:15,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-07 15:31:15,047 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:31:15,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-07 15:31:15,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-07 15:31:15,048 INFO L87 Difference]: Start difference. First operand 72 states and 142 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 15:31:15,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:31:15,088 INFO L93 Difference]: Finished difference Result 66 states and 131 transitions. [2021-10-07 15:31:15,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-07 15:31:15,089 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 5 [2021-10-07 15:31:15,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:31:15,090 INFO L225 Difference]: With dead ends: 66 [2021-10-07 15:31:15,090 INFO L226 Difference]: Without dead ends: 66 [2021-10-07 15:31:15,091 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-07 15:31:15,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2021-10-07 15:31:15,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2021-10-07 15:31:15,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 61 states have (on average 2.1475409836065573) internal successors, (131), 65 states have internal predecessors, (131), 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 15:31:15,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 131 transitions. [2021-10-07 15:31:15,098 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 131 transitions. Word has length 5 [2021-10-07 15:31:15,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:31:15,100 INFO L470 AbstractCegarLoop]: Abstraction has 66 states and 131 transitions. [2021-10-07 15:31:15,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 15:31:15,100 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 131 transitions. [2021-10-07 15:31:15,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-07 15:31:15,101 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:31:15,101 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-07 15:31:15,116 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 15:31:15,313 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-07 15:31:15,314 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 13 more)] === [2021-10-07 15:31:15,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:31:15,315 INFO L82 PathProgramCache]: Analyzing trace with hash 826177942, now seen corresponding path program 1 times [2021-10-07 15:31:15,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:31:15,317 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1201820374] [2021-10-07 15:31:15,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:31:15,317 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:31:15,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:31:15,319 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 15:31:15,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-07 15:31:15,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:31:15,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-07 15:31:15,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:31:15,551 INFO L354 Elim1Store]: treesize reduction 141, result has 23.8 percent of original size [2021-10-07 15:31:15,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 18 treesize of output 49 [2021-10-07 15:31:15,655 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 15:31:15,655 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:31:15,745 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 15:31:15,746 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:31:15,746 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1201820374] [2021-10-07 15:31:15,746 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1201820374] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-07 15:31:15,747 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:31:15,747 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 2 [2021-10-07 15:31:15,747 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642556473] [2021-10-07 15:31:15,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-07 15:31:15,748 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:31:15,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-07 15:31:15,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-07 15:31:15,749 INFO L87 Difference]: Start difference. First operand 66 states and 131 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 15:31:15,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:31:15,785 INFO L93 Difference]: Finished difference Result 60 states and 120 transitions. [2021-10-07 15:31:15,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-07 15:31:15,786 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 5 [2021-10-07 15:31:15,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:31:15,787 INFO L225 Difference]: With dead ends: 60 [2021-10-07 15:31:15,787 INFO L226 Difference]: Without dead ends: 60 [2021-10-07 15:31:15,788 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 42.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-07 15:31:15,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2021-10-07 15:31:15,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2021-10-07 15:31:15,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 57 states have (on average 2.1052631578947367) internal successors, (120), 59 states have internal predecessors, (120), 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 15:31:15,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 120 transitions. [2021-10-07 15:31:15,794 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 120 transitions. Word has length 5 [2021-10-07 15:31:15,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:31:15,795 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 120 transitions. [2021-10-07 15:31:15,795 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 15:31:15,795 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 120 transitions. [2021-10-07 15:31:15,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-07 15:31:15,796 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:31:15,796 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-07 15:31:15,814 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-07 15:31:15,996 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-07 15:31:15,997 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 13 more)] === [2021-10-07 15:31:15,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:31:15,997 INFO L82 PathProgramCache]: Analyzing trace with hash -611930580, now seen corresponding path program 1 times [2021-10-07 15:31:15,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:31:15,998 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1633002241] [2021-10-07 15:31:15,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:31:15,999 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:31:15,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:31:16,001 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 15:31:16,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-07 15:31:16,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:31:16,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-07 15:31:16,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:31:16,264 INFO L354 Elim1Store]: treesize reduction 141, result has 23.8 percent of original size [2021-10-07 15:31:16,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 31 treesize of output 61 [2021-10-07 15:31:16,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 60 [2021-10-07 15:31:16,504 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 15:31:16,504 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:31:16,609 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 15:31:16,610 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:31:16,610 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1633002241] [2021-10-07 15:31:16,610 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1633002241] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-07 15:31:16,610 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:31:16,611 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 2 [2021-10-07 15:31:16,611 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804418455] [2021-10-07 15:31:16,611 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-07 15:31:16,612 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:31:16,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-07 15:31:16,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-07 15:31:16,613 INFO L87 Difference]: Start difference. First operand 60 states and 120 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 15:31:16,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:31:16,640 INFO L93 Difference]: Finished difference Result 52 states and 100 transitions. [2021-10-07 15:31:16,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-07 15:31:16,641 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 7 [2021-10-07 15:31:16,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:31:16,642 INFO L225 Difference]: With dead ends: 52 [2021-10-07 15:31:16,642 INFO L226 Difference]: Without dead ends: 52 [2021-10-07 15:31:16,643 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 45.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-07 15:31:16,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-10-07 15:31:16,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2021-10-07 15:31:16,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 50 states have (on average 2.0) internal successors, (100), 51 states have internal predecessors, (100), 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 15:31:16,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 100 transitions. [2021-10-07 15:31:16,648 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 100 transitions. Word has length 7 [2021-10-07 15:31:16,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:31:16,648 INFO L470 AbstractCegarLoop]: Abstraction has 52 states and 100 transitions. [2021-10-07 15:31:16,648 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 15:31:16,649 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 100 transitions. [2021-10-07 15:31:16,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-07 15:31:16,649 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:31:16,649 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-07 15:31:16,665 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-07 15:31:16,861 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-07 15:31:16,862 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 13 more)] === [2021-10-07 15:31:16,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:31:16,863 INFO L82 PathProgramCache]: Analyzing trace with hash -611930581, now seen corresponding path program 1 times [2021-10-07 15:31:16,864 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:31:16,865 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [674814306] [2021-10-07 15:31:16,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:31:16,865 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:31:16,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:31:16,867 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 15:31:16,870 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 15:31:16,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:31:16,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-07 15:31:16,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:31:16,990 INFO L354 Elim1Store]: treesize reduction 38, result has 30.9 percent of original size [2021-10-07 15:31:16,991 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 2 case distinctions, treesize of input 12 treesize of output 22 [2021-10-07 15:31:17,056 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 15:31:17,057 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:31:17,101 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 15:31:17,101 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:31:17,102 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [674814306] [2021-10-07 15:31:17,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [674814306] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-07 15:31:17,102 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:31:17,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-07 15:31:17,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516261542] [2021-10-07 15:31:17,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-07 15:31:17,103 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:31:17,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-07 15:31:17,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-07 15:31:17,104 INFO L87 Difference]: Start difference. First operand 52 states and 100 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 15:31:17,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:31:17,135 INFO L93 Difference]: Finished difference Result 44 states and 80 transitions. [2021-10-07 15:31:17,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-07 15:31:17,136 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 7 [2021-10-07 15:31:17,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:31:17,136 INFO L225 Difference]: With dead ends: 44 [2021-10-07 15:31:17,137 INFO L226 Difference]: Without dead ends: 44 [2021-10-07 15:31:17,137 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 33.4ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-07 15:31:17,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2021-10-07 15:31:17,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2021-10-07 15:31:17,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 1.8604651162790697) internal successors, (80), 43 states have internal predecessors, (80), 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 15:31:17,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 80 transitions. [2021-10-07 15:31:17,141 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 80 transitions. Word has length 7 [2021-10-07 15:31:17,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:31:17,141 INFO L470 AbstractCegarLoop]: Abstraction has 44 states and 80 transitions. [2021-10-07 15:31:17,142 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 15:31:17,142 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 80 transitions. [2021-10-07 15:31:17,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-07 15:31:17,143 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:31:17,143 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-07 15:31:17,158 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 15:31:17,353 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 15:31:17,353 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 13 more)] === [2021-10-07 15:31:17,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:31:17,354 INFO L82 PathProgramCache]: Analyzing trace with hash -827559608, now seen corresponding path program 1 times [2021-10-07 15:31:17,354 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:31:17,355 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1490474243] [2021-10-07 15:31:17,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:31:17,356 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:31:17,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:31:17,357 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 15:31:17,362 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 15:31:17,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-07 15:31:17,493 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-07 15:31:17,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-07 15:31:17,756 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-10-07 15:31:17,756 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-07 15:31:17,757 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK [2021-10-07 15:31:17,760 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATION [2021-10-07 15:31:17,760 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATION [2021-10-07 15:31:17,761 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATION [2021-10-07 15:31:17,761 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATION [2021-10-07 15:31:17,761 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATION [2021-10-07 15:31:17,761 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATION [2021-10-07 15:31:17,761 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATION [2021-10-07 15:31:17,762 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATION [2021-10-07 15:31:17,762 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATION [2021-10-07 15:31:17,762 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATION [2021-10-07 15:31:17,762 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATION [2021-10-07 15:31:17,762 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11REQUIRES_VIOLATION [2021-10-07 15:31:17,763 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK [2021-10-07 15:31:17,763 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-07 15:31:17,763 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-07 15:31:17,763 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-07 15:31:17,781 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 15:31:17,978 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 15:31:17,986 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-07 15:31:17,986 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-07 15:31:18,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:31:18 BasicIcfg [2021-10-07 15:31:18,081 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-07 15:31:18,085 INFO L168 Benchmark]: Toolchain (without parser) took 25859.04 ms. Allocated memory was 152.0 MB in the beginning and 189.8 MB in the end (delta: 37.7 MB). Free memory was 126.2 MB in the beginning and 102.8 MB in the end (delta: 23.4 MB). Peak memory consumption was 62.7 MB. Max. memory is 8.0 GB. [2021-10-07 15:31:18,086 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 152.0 MB. Free memory was 123.0 MB in the beginning and 122.9 MB in the end (delta: 102.5 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-07 15:31:18,086 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.35 ms. Allocated memory is still 152.0 MB. Free memory was 125.7 MB in the beginning and 114.7 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-10-07 15:31:18,088 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.62 ms. Allocated memory is still 152.0 MB. Free memory was 114.6 MB in the beginning and 112.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-07 15:31:18,089 INFO L168 Benchmark]: Boogie Preprocessor took 32.85 ms. Allocated memory is still 152.0 MB. Free memory was 112.8 MB in the beginning and 111.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-07 15:31:18,089 INFO L168 Benchmark]: RCFGBuilder took 780.71 ms. Allocated memory is still 152.0 MB. Free memory was 111.3 MB in the beginning and 131.5 MB in the end (delta: -20.3 MB). Peak memory consumption was 17.2 MB. Max. memory is 8.0 GB. [2021-10-07 15:31:18,091 INFO L168 Benchmark]: TraceAbstraction took 24613.57 ms. Allocated memory was 152.0 MB in the beginning and 189.8 MB in the end (delta: 37.7 MB). Free memory was 131.0 MB in the beginning and 102.8 MB in the end (delta: 28.2 MB). Peak memory consumption was 67.5 MB. Max. memory is 8.0 GB. [2021-10-07 15:31:18,098 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 152.0 MB. Free memory was 123.0 MB in the beginning and 122.9 MB in the end (delta: 102.5 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 362.35 ms. Allocated memory is still 152.0 MB. Free memory was 125.7 MB in the beginning and 114.7 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 48.62 ms. Allocated memory is still 152.0 MB. Free memory was 114.6 MB in the beginning and 112.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 32.85 ms. Allocated memory is still 152.0 MB. Free memory was 112.8 MB in the beginning and 111.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 780.71 ms. Allocated memory is still 152.0 MB. Free memory was 111.3 MB in the beginning and 131.5 MB in the end (delta: -20.3 MB). Peak memory consumption was 17.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 24613.57 ms. Allocated memory was 152.0 MB in the beginning and 189.8 MB in the end (delta: 37.7 MB). Free memory was 131.0 MB in the beginning and 102.8 MB in the end (delta: 28.2 MB). Peak memory consumption was 67.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 19148.8ms, 195 PlacesBefore, 43 PlacesAfterwards, 204 TransitionsBefore, 33 TransitionsAfterwards, 10098 CoEnabledTransitionPairs, 8 FixpointIterations, 80 TrivialSequentialCompositions, 111 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 62 ConcurrentYvCompositions, 19 ChoiceCompositions, 272 TotalNumberOfCompositions, 11260 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 11260, positive: 11260, positive conditional: 0, positive unconditional: 11260, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8351, positive: 8351, positive conditional: 0, positive unconditional: 8351, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8351, positive: 8351, positive conditional: 0, positive unconditional: 8351, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 11260, positive: 2909, positive conditional: 0, positive unconditional: 2909, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 8351, unknown conditional: 0, unknown unconditional: 8351] , Statistics on independence cache: Total cache size (in pairs): 48, Positive cache size: 48, Positive conditional cache size: 0, Positive unconditional cache size: 48, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - 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 - UnprovableResult [Line: 81]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 81. Possible FailurePath: [L38] 0 int filename_1, filename_4, filename_7, result_9, result_10, result_11; [L39] 0 _Bool isNull_0, isNull_3, isNull_6, filename_2, filename_5, filename_8; [L60] 0 pthread_t t1, t2, t3; [L62] 0 filename_1 = __VERIFIER_nondet_int() [L63] 0 filename_4 = __VERIFIER_nondet_int() [L64] 0 filename_7 = __VERIFIER_nondet_int() [L65] 0 isNull_0 = __VERIFIER_nondet_bool() [L66] 0 isNull_3 = __VERIFIER_nondet_bool() [L67] 0 isNull_6 = __VERIFIER_nondet_bool() [L68] 0 filename_2 = __VERIFIER_nondet_bool() [L69] 0 filename_5 = __VERIFIER_nondet_bool() [L70] 0 filename_8 = __VERIFIER_nondet_bool() [L73] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [result_10=0, result_11=0, result_9=0] [L74] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [result_10=0, result_11=0, result_9=0] [L42] EXPR 1 isNull_0 ? (isNull_3 ? 0 : 1) : (isNull_3 ? -1 : (filename_2 ? (filename_5 ? 0 : 1) : (filename_5 ? -1 : filename_1 - filename_4))) [L42] EXPR 1 isNull_3 ? -1 : (filename_2 ? (filename_5 ? 0 : 1) : (filename_5 ? -1 : filename_1 - filename_4)) [L42] EXPR 1 filename_2 ? (filename_5 ? 0 : 1) : (filename_5 ? -1 : filename_1 - filename_4) [L42] EXPR 1 filename_5 ? -1 : filename_1 - filename_4 [L42] EXPR 1 filename_2 ? (filename_5 ? 0 : 1) : (filename_5 ? -1 : filename_1 - filename_4) [L42] EXPR 1 isNull_3 ? -1 : (filename_2 ? (filename_5 ? 0 : 1) : (filename_5 ? -1 : filename_1 - filename_4)) [L42] EXPR 1 isNull_0 ? (isNull_3 ? 0 : 1) : (isNull_3 ? -1 : (filename_2 ? (filename_5 ? 0 : 1) : (filename_5 ? -1 : filename_1 - filename_4))) [L42] 1 result_9 = isNull_0 ? (isNull_3 ? 0 : 1) : (isNull_3 ? -1 : (filename_2 ? (filename_5 ? 0 : 1) : (filename_5 ? -1 : filename_1 - filename_4))) [L44] 1 return 0; [L75] FCALL, FORK 0 pthread_create(&t3, 0, thread3, 0) VAL [\result={0:0}, filename_1=2147481600, filename_2=0, filename_4=536870912, filename_5=0, isNull_0=0, isNull_3=0, result_10=0, result_11=0, result_9=1610610688] [L76] 0 \read(t1) VAL [\result={0:0}, filename_1=2147481600, filename_2=0, filename_4=536870912, filename_5=0, isNull_0=0, isNull_3=0, result_10=0, result_11=0, result_9=1610610688] [L76] FCALL, JOIN 1 pthread_join(t1, 0) VAL [\result={0:0}, filename_1=2147481600, filename_2=0, filename_4=536870912, filename_5=0, isNull_0=0, isNull_3=0, result_10=0, result_11=0, result_9=1610610688] [L48] EXPR 2 isNull_3 ? (isNull_6 ? 0 : 1) : (isNull_6 ? -1 : (filename_5 ? (filename_8 ? 0 : 1) : (filename_8 ? -1 : filename_4 - filename_7))) [L48] EXPR 2 isNull_6 ? -1 : (filename_5 ? (filename_8 ? 0 : 1) : (filename_8 ? -1 : filename_4 - filename_7)) [L48] EXPR 2 filename_5 ? (filename_8 ? 0 : 1) : (filename_8 ? -1 : filename_4 - filename_7) [L48] EXPR 2 filename_8 ? -1 : filename_4 - filename_7 [L48] EXPR 2 filename_5 ? (filename_8 ? 0 : 1) : (filename_8 ? -1 : filename_4 - filename_7) [L48] EXPR 2 isNull_6 ? -1 : (filename_5 ? (filename_8 ? 0 : 1) : (filename_8 ? -1 : filename_4 - filename_7)) [L48] EXPR 2 isNull_3 ? (isNull_6 ? 0 : 1) : (isNull_6 ? -1 : (filename_5 ? (filename_8 ? 0 : 1) : (filename_8 ? -1 : filename_4 - filename_7))) [L48] 2 result_10 = isNull_3 ? (isNull_6 ? 0 : 1) : (isNull_6 ? -1 : (filename_5 ? (filename_8 ? 0 : 1) : (filename_8 ? -1 : filename_4 - filename_7))) [L50] 2 return 0; [L54] EXPR 3 isNull_0 ? (isNull_6 ? 0 : 1) : (isNull_6 ? -1 : (filename_2 ? (filename_8 ? 0 : 1) : (filename_8 ? -1 : filename_1 - filename_7))) [L54] EXPR 3 isNull_6 ? -1 : (filename_2 ? (filename_8 ? 0 : 1) : (filename_8 ? -1 : filename_1 - filename_7)) [L54] EXPR 3 filename_2 ? (filename_8 ? 0 : 1) : (filename_8 ? -1 : filename_1 - filename_7) [L54] EXPR 3 filename_8 ? -1 : filename_1 - filename_7 [L54] EXPR 3 filename_2 ? (filename_8 ? 0 : 1) : (filename_8 ? -1 : filename_1 - filename_7) [L54] EXPR 3 isNull_6 ? -1 : (filename_2 ? (filename_8 ? 0 : 1) : (filename_8 ? -1 : filename_1 - filename_7)) [L54] EXPR 3 isNull_0 ? (isNull_6 ? 0 : 1) : (isNull_6 ? -1 : (filename_2 ? (filename_8 ? 0 : 1) : (filename_8 ? -1 : filename_1 - filename_7))) [L54] 3 result_11 = isNull_0 ? (isNull_6 ? 0 : 1) : (isNull_6 ? -1 : (filename_2 ? (filename_8 ? 0 : 1) : (filename_8 ? -1 : filename_1 - filename_7))) [L56] 3 return 0; [L77] 0 \read(t2) VAL [\result={0:0}, \result={0:0}, \result={0:0}, filename_1=2147481600, filename_2=0, filename_4=536870912, filename_5=0, filename_7=-536870912, filename_8=0, isNull_0=0, isNull_3=0, isNull_6=0, result_10=1073741824, result_11=-1610614784, result_9=1610610688] [L77] FCALL, JOIN 2 pthread_join(t2, 0) VAL [\result={0:0}, \result={0:0}, \result={0:0}, filename_1=2147481600, filename_2=0, filename_4=536870912, filename_5=0, filename_7=-536870912, filename_8=0, isNull_0=0, isNull_3=0, isNull_6=0, result_10=1073741824, result_11=-1610614784, result_9=1610610688] [L78] 0 \read(t3) VAL [\result={0:0}, \result={0:0}, \result={0:0}, filename_1=2147481600, filename_2=0, filename_4=536870912, filename_5=0, filename_7=-536870912, filename_8=0, isNull_0=0, isNull_3=0, isNull_6=0, result_10=1073741824, result_11=-1610614784, result_9=1610610688] [L78] FCALL, JOIN 3 pthread_join(t3, 0) VAL [\result={0:0}, \result={0:0}, \result={0:0}, filename_1=2147481600, filename_2=0, filename_4=536870912, filename_5=0, filename_7=-536870912, filename_8=0, isNull_0=0, isNull_3=0, isNull_6=0, result_10=1073741824, result_11=-1610614784, result_9=1610610688] [L35] COND FALSE 0 !(!cond) [L81] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, filename_1=2147481600, filename_2=0, filename_4=536870912, filename_5=0, filename_7=-536870912, filename_8=0, isNull_0=0, isNull_3=0, isNull_6=0, result_10=1073741824, result_11=-1610614784, result_9=1610610688] - UnprovableResult [Line: 73]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 73]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 74]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 74]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 75]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 75]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 76]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 76]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 78]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 78]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 73]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 75]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 74]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 273 locations, 17 error locations. Started 1 CEGAR loops. OverallTime: 24263.7ms, OverallIterations: 8, TraceHistogramMax: 1, EmptinessCheckTime: 14.7ms, AutomataDifference: 319.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 19251.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 100 SDtfs, 153 SDslu, 0 SDs, 0 SdLazy, 43 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 168.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 206.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=0, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 75.7ms AutomataMinimizationTime, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 92.2ms SsaConstructionTime, 280.1ms SatisfiabilityAnalysisTime, 1815.8ms InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 48 ConstructedInterpolants, 6 QuantifiedInterpolants, 568 SizeOfPredicates, 22 NumberOfNonLiveVariables, 271 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-07 15:31:18,149 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...