/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-exp-term-subst.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-c503be2 [2021-10-13 20:03:18,597 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 20:03:18,600 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 20:03:18,636 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 20:03:18,637 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 20:03:18,638 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 20:03:18,640 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 20:03:18,643 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 20:03:18,645 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 20:03:18,647 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 20:03:18,648 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 20:03:18,662 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 20:03:18,662 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 20:03:18,664 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 20:03:18,666 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 20:03:18,667 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 20:03:18,669 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 20:03:18,670 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 20:03:18,672 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 20:03:18,675 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 20:03:18,677 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 20:03:18,679 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 20:03:18,680 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 20:03:18,681 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 20:03:18,685 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 20:03:18,686 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 20:03:18,686 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 20:03:18,688 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 20:03:18,688 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 20:03:18,690 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 20:03:18,690 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 20:03:18,691 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 20:03:18,692 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 20:03:18,693 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 20:03:18,695 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 20:03:18,695 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 20:03:18,696 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 20:03:18,697 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 20:03:18,697 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 20:03:18,698 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 20:03:18,699 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 20:03:18,702 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-13 20:03:18,734 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 20:03:18,735 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 20:03:18,735 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 20:03:18,735 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 20:03:18,737 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 20:03:18,737 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 20:03:18,737 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 20:03:18,738 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 20:03:18,738 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 20:03:18,738 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 20:03:18,738 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 20:03:18,739 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 20:03:18,739 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 20:03:18,739 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 20:03:18,739 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 20:03:18,740 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 20:03:18,740 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 20:03:18,740 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 20:03:18,741 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 20:03:18,741 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 20:03:18,741 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 20:03:18,741 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 20:03:18,742 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 20:03:18,742 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 20:03:18,742 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 20:03:18,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 20:03:18,743 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 20:03:18,743 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 20:03:18,743 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-13 20:03:18,743 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 20:03:18,743 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 20:03:18,744 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 20:03:18,744 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-13 20:03:19,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 20:03:19,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 20:03:19,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 20:03:19,211 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 20:03:19,212 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 20:03:19,213 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-exp-term-subst.wvr.c [2021-10-13 20:03:19,298 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f9659b860/45ede80e3b6c430ea91a5bc4ec10ad8e/FLAGc75992bfc [2021-10-13 20:03:20,061 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 20:03:20,063 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl-exp-term-subst.wvr.c [2021-10-13 20:03:20,072 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f9659b860/45ede80e3b6c430ea91a5bc4ec10ad8e/FLAGc75992bfc [2021-10-13 20:03:20,395 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f9659b860/45ede80e3b6c430ea91a5bc4ec10ad8e [2021-10-13 20:03:20,397 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 20:03:20,404 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-13 20:03:20,406 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 20:03:20,406 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 20:03:20,412 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 20:03:20,413 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:03:20" (1/1) ... [2021-10-13 20:03:20,414 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61b6432d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:20, skipping insertion in model container [2021-10-13 20:03:20,414 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:03:20" (1/1) ... [2021-10-13 20:03:20,422 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 20:03:20,443 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 20:03:20,626 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-exp-term-subst.wvr.c[3072,3085] [2021-10-13 20:03:20,635 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 20:03:20,651 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 20:03:20,682 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-exp-term-subst.wvr.c[3072,3085] [2021-10-13 20:03:20,686 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 20:03:20,707 INFO L208 MainTranslator]: Completed translation [2021-10-13 20:03:20,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:20 WrapperNode [2021-10-13 20:03:20,708 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 20:03:20,709 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 20:03:20,709 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 20:03:20,710 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 20:03:20,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:20" (1/1) ... [2021-10-13 20:03:20,733 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:20" (1/1) ... [2021-10-13 20:03:20,765 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 20:03:20,766 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 20:03:20,766 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 20:03:20,767 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 20:03:20,778 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:20" (1/1) ... [2021-10-13 20:03:20,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:20" (1/1) ... [2021-10-13 20:03:20,783 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:20" (1/1) ... [2021-10-13 20:03:20,784 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:20" (1/1) ... [2021-10-13 20:03:20,800 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:20" (1/1) ... [2021-10-13 20:03:20,810 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:20" (1/1) ... [2021-10-13 20:03:20,813 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:20" (1/1) ... [2021-10-13 20:03:20,826 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 20:03:20,830 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 20:03:20,830 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 20:03:20,830 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 20:03:20,834 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:20" (1/1) ... [2021-10-13 20:03:20,845 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 20:03:20,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-13 20:03:20,884 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) [2021-10-13 20:03:20,907 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 [2021-10-13 20:03:20,986 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-13 20:03:20,986 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-13 20:03:20,986 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-13 20:03:20,987 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-13 20:03:20,987 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-13 20:03:20,987 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-13 20:03:20,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 20:03:20,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 20:03:20,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-13 20:03:20,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 20:03:20,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 20:03:20,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 20:03:20,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-13 20:03:20,990 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-13 20:03:21,603 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 20:03:21,604 INFO L299 CfgBuilder]: Removed 26 assume(true) statements. [2021-10-13 20:03:21,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:03:21 BoogieIcfgContainer [2021-10-13 20:03:21,607 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 20:03:21,609 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 20:03:21,609 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 20:03:21,614 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 20:03:21,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:03:20" (1/3) ... [2021-10-13 20:03:21,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56264a90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:03:21, skipping insertion in model container [2021-10-13 20:03:21,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:03:20" (2/3) ... [2021-10-13 20:03:21,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56264a90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:03:21, skipping insertion in model container [2021-10-13 20:03:21,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:03:21" (3/3) ... [2021-10-13 20:03:21,618 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-exp-term-subst.wvr.c [2021-10-13 20:03:21,625 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 20:03:21,626 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2021-10-13 20:03:21,626 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-13 20:03:21,684 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,685 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,685 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,685 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,688 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,689 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,689 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,689 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,690 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,690 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,690 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,691 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,691 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,691 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,691 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,692 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,692 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,692 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,693 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,694 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,694 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,694 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,695 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,695 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,695 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,696 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,696 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,696 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,697 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,698 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,698 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,698 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,698 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,699 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,699 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,699 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,699 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,699 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,700 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,700 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,700 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,700 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,700 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,701 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,702 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,702 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,703 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,703 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,703 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,704 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,704 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,704 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,704 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,704 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,705 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,705 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,706 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,706 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,706 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,707 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,707 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,707 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,708 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,708 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,708 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,709 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,709 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,710 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,710 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,710 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,711 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,711 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,711 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,711 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,712 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,712 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,712 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,713 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,713 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,713 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,713 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,714 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,714 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,714 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,714 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,714 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,715 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,715 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,715 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,715 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,715 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,716 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,723 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,723 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,725 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,726 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,727 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,732 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,737 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,737 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,737 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,737 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,738 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,741 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,742 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,742 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,742 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,742 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,743 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,743 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,744 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,744 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,745 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,745 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,745 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,745 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,746 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,746 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,746 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,746 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,747 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,747 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,747 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,747 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,748 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,748 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,748 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,748 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,748 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,749 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,749 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,749 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,750 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,750 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,750 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,750 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,751 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,751 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,751 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,751 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,752 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,752 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,752 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,753 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,753 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,753 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,753 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,753 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,754 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,754 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,754 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,754 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,754 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,755 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,755 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,755 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,755 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,755 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,756 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,756 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,756 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,756 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,756 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,757 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,757 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,757 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,757 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,757 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,758 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,758 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,758 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,758 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,758 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,759 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,759 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,759 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,759 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,759 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,760 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,760 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,760 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,760 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,760 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,761 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,763 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,764 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,764 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,764 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,764 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,765 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,765 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,765 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,765 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,765 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,766 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,766 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,766 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,766 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,767 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,767 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,767 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,767 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,767 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,768 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,768 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,768 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,768 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,768 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,768 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,769 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,769 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,769 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,769 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,770 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,770 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,770 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,770 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,770 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,771 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,771 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,771 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,771 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,771 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,773 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,777 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,777 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,781 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,781 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,781 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,782 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,782 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,783 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,783 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,783 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,783 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,783 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,784 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,784 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,784 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,784 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,784 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,785 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,785 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,785 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,785 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,785 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,786 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,786 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,786 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,786 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,786 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,787 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,787 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,787 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,788 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,788 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,789 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,789 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,789 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,789 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,790 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,790 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,790 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,790 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,790 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,791 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,791 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,791 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,791 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,792 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,792 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,792 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,792 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,792 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,793 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,793 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,798 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,798 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,799 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,799 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,799 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,799 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,800 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,800 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,800 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,800 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,801 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,801 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,801 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,809 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,809 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,809 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,810 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,810 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,810 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,810 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,811 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,811 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,811 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,811 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,812 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,812 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,815 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,816 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,816 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,816 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,816 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,817 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,817 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,817 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,817 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,818 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,818 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,818 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,818 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:03:21,832 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-13 20:03:21,904 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 20:03:21,916 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 [2021-10-13 20:03:21,917 INFO L340 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2021-10-13 20:03:21,962 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-13 20:03:21,978 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 209 places, 216 transitions, 456 flow [2021-10-13 20:03:21,982 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 209 places, 216 transitions, 456 flow [2021-10-13 20:03:21,986 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 209 places, 216 transitions, 456 flow [2021-10-13 20:03:22,149 INFO L129 PetriNetUnfolder]: 17/213 cut-off events. [2021-10-13 20:03:22,149 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-10-13 20:03:22,159 INFO L84 FinitePrefix]: Finished finitePrefix Result has 226 conditions, 213 events. 17/213 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 488 event pairs, 0 based on Foata normal form. 0/182 useless extension candidates. Maximal degree in co-relation 139. Up to 2 conditions per place. [2021-10-13 20:03:22,173 INFO L116 LiptonReduction]: Number of co-enabled transitions 12768 [2021-10-13 20:03:38,870 INFO L131 LiptonReduction]: Checked pairs total: 12608 [2021-10-13 20:03:38,870 INFO L133 LiptonReduction]: Total number of compositions: 282 [2021-10-13 20:03:38,886 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 43 places, 33 transitions, 90 flow [2021-10-13 20:03:38,910 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) [2021-10-13 20:03:38,915 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) [2021-10-13 20:03:38,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2021-10-13 20:03:38,924 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 20:03:38,928 INFO L512 BasicCegarLoop]: trace histogram [1] [2021-10-13 20:03:38,933 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 13 more)] === [2021-10-13 20:03:38,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 20:03:38,940 INFO L82 PathProgramCache]: Analyzing trace with hash 917, now seen corresponding path program 1 times [2021-10-13 20:03:38,954 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 20:03:38,955 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1942089303] [2021-10-13 20:03:38,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 20:03:38,956 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 20:03:38,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-13 20:03:38,963 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) [2021-10-13 20:03:38,973 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 20:03:39,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 20:03:39,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 3 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-13 20:03:39,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 20:03:39,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 20:03:39,040 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 20:03:39,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 20:03:39,042 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 20:03:39,042 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1942089303] [2021-10-13 20:03:39,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1942089303] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 20:03:39,043 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 20:03:39,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0, 0] imperfect sequences [] total 0 [2021-10-13 20:03:39,045 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001787855] [2021-10-13 20:03:39,051 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 20:03:39,051 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 20:03:39,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 20:03:39,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 20:03:39,070 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) [2021-10-13 20:03:39,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 20:03:39,088 INFO L93 Difference]: Finished difference Result 84 states and 164 transitions. [2021-10-13 20:03:39,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 20:03:39,091 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 [2021-10-13 20:03:39,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 20:03:39,103 INFO L225 Difference]: With dead ends: 84 [2021-10-13 20:03:39,103 INFO L226 Difference]: Without dead ends: 84 [2021-10-13 20:03:39,104 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 [2021-10-13 20:03:39,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2021-10-13 20:03:39,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2021-10-13 20:03:39,160 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) [2021-10-13 20:03:39,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 164 transitions. [2021-10-13 20:03:39,164 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 164 transitions. Word has length 1 [2021-10-13 20:03:39,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 20:03:39,164 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 164 transitions. [2021-10-13 20:03:39,165 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) [2021-10-13 20:03:39,165 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 164 transitions. [2021-10-13 20:03:39,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-13 20:03:39,165 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 20:03:39,165 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-13 20:03:39,174 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-13 20:03:39,366 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 [2021-10-13 20:03:39,367 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 13 more)] === [2021-10-13 20:03:39,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 20:03:39,369 INFO L82 PathProgramCache]: Analyzing trace with hash 902111, now seen corresponding path program 1 times [2021-10-13 20:03:39,370 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 20:03:39,370 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [601205760] [2021-10-13 20:03:39,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 20:03:39,371 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 20:03:39,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-13 20:03:39,372 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) [2021-10-13 20:03:39,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 20:03:39,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 20:03:39,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 20:03:39,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 20:03:39,785 INFO L354 Elim1Store]: treesize reduction 232, result has 18.9 percent of original size [2021-10-13 20:03:39,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 317 treesize of output 346 [2021-10-13 20:03:43,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 20:03:43,002 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 20:03:43,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 20:03:43,018 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 20:03:43,019 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [601205760] [2021-10-13 20:03:43,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [601205760] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 20:03:43,019 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 20:03:43,019 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 2 [2021-10-13 20:03:43,020 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262676468] [2021-10-13 20:03:43,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 20:03:43,021 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 20:03:43,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 20:03:43,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 20:03:43,022 INFO L87 Difference]: Start difference. First operand 84 states and 164 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) [2021-10-13 20:03:43,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 20:03:43,086 INFO L93 Difference]: Finished difference Result 78 states and 153 transitions. [2021-10-13 20:03:43,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 20:03:43,088 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 [2021-10-13 20:03:43,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 20:03:43,089 INFO L225 Difference]: With dead ends: 78 [2021-10-13 20:03:43,090 INFO L226 Difference]: Without dead ends: 78 [2021-10-13 20:03:43,090 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 32.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 20:03:43,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-10-13 20:03:43,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2021-10-13 20:03:43,099 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) [2021-10-13 20:03:43,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 153 transitions. [2021-10-13 20:03:43,102 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 153 transitions. Word has length 3 [2021-10-13 20:03:43,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 20:03:43,102 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 153 transitions. [2021-10-13 20:03:43,102 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) [2021-10-13 20:03:43,103 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 153 transitions. [2021-10-13 20:03:43,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-13 20:03:43,103 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 20:03:43,103 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-13 20:03:43,124 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 20:03:43,324 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 [2021-10-13 20:03:43,327 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 13 more)] === [2021-10-13 20:03:43,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 20:03:43,328 INFO L82 PathProgramCache]: Analyzing trace with hash 902113, now seen corresponding path program 1 times [2021-10-13 20:03:43,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 20:03:43,329 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [940729784] [2021-10-13 20:03:43,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 20:03:43,329 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 20:03:43,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-13 20:03:43,333 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) [2021-10-13 20:03:43,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 20:03:43,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 20:03:43,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 20:03:43,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 20:03:43,536 INFO L354 Elim1Store]: treesize reduction 147, result has 20.5 percent of original size [2021-10-13 20:03:43,537 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 42 treesize of output 66 [2021-10-13 20:03:43,549 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 306 treesize of output 298 [2021-10-13 20:03:43,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 20:03:43,787 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 20:03:43,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 20:03:43,844 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 20:03:43,844 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [940729784] [2021-10-13 20:03:43,844 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [940729784] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 20:03:43,844 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 20:03:43,845 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 2 [2021-10-13 20:03:43,845 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046916296] [2021-10-13 20:03:43,845 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 20:03:43,845 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 20:03:43,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 20:03:43,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 20:03:43,846 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) [2021-10-13 20:03:43,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 20:03:43,894 INFO L93 Difference]: Finished difference Result 72 states and 142 transitions. [2021-10-13 20:03:43,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 20:03:43,895 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 [2021-10-13 20:03:43,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 20:03:43,896 INFO L225 Difference]: With dead ends: 72 [2021-10-13 20:03:43,896 INFO L226 Difference]: Without dead ends: 72 [2021-10-13 20:03:43,897 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 46.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 20:03:43,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2021-10-13 20:03:43,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2021-10-13 20:03:43,904 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) [2021-10-13 20:03:43,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 142 transitions. [2021-10-13 20:03:43,905 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 142 transitions. Word has length 3 [2021-10-13 20:03:43,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 20:03:43,906 INFO L470 AbstractCegarLoop]: Abstraction has 72 states and 142 transitions. [2021-10-13 20:03:43,906 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) [2021-10-13 20:03:43,906 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 142 transitions. [2021-10-13 20:03:43,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-13 20:03:43,907 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 20:03:43,907 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-13 20:03:43,923 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 20:03:44,119 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 [2021-10-13 20:03:44,120 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 13 more)] === [2021-10-13 20:03:44,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 20:03:44,122 INFO L82 PathProgramCache]: Analyzing trace with hash 866949456, now seen corresponding path program 1 times [2021-10-13 20:03:44,123 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 20:03:44,123 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [121177934] [2021-10-13 20:03:44,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 20:03:44,124 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 20:03:44,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-13 20:03:44,125 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) [2021-10-13 20:03:44,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 20:03:44,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 20:03:44,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 20:03:44,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 20:03:44,371 INFO L354 Elim1Store]: treesize reduction 232, result has 18.9 percent of original size [2021-10-13 20:03:44,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 21 treesize of output 59 [2021-10-13 20:03:44,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 20:03:44,764 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 20:03:44,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 20:03:44,779 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 20:03:44,779 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [121177934] [2021-10-13 20:03:44,780 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [121177934] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 20:03:44,780 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 20:03:44,780 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 1 [2021-10-13 20:03:44,780 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225711179] [2021-10-13 20:03:44,781 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 20:03:44,781 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 20:03:44,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 20:03:44,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 20:03:44,782 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) [2021-10-13 20:03:44,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 20:03:44,816 INFO L93 Difference]: Finished difference Result 66 states and 131 transitions. [2021-10-13 20:03:44,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 20:03:44,817 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 [2021-10-13 20:03:44,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 20:03:44,818 INFO L225 Difference]: With dead ends: 66 [2021-10-13 20:03:44,818 INFO L226 Difference]: Without dead ends: 66 [2021-10-13 20:03:44,819 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 20:03:44,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2021-10-13 20:03:44,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2021-10-13 20:03:44,824 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) [2021-10-13 20:03:44,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 131 transitions. [2021-10-13 20:03:44,826 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 131 transitions. Word has length 5 [2021-10-13 20:03:44,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 20:03:44,827 INFO L470 AbstractCegarLoop]: Abstraction has 66 states and 131 transitions. [2021-10-13 20:03:44,827 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) [2021-10-13 20:03:44,827 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 131 transitions. [2021-10-13 20:03:44,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-13 20:03:44,828 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 20:03:44,828 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-13 20:03:44,844 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-13 20:03:45,039 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 [2021-10-13 20:03:45,040 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 13 more)] === [2021-10-13 20:03:45,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 20:03:45,041 INFO L82 PathProgramCache]: Analyzing trace with hash 866949457, now seen corresponding path program 1 times [2021-10-13 20:03:45,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 20:03:45,042 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2139553431] [2021-10-13 20:03:45,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 20:03:45,043 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 20:03:45,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-13 20:03:45,044 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) [2021-10-13 20:03:45,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-13 20:03:45,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 20:03:45,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 20:03:45,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 20:03:45,266 INFO L354 Elim1Store]: treesize reduction 141, result has 23.8 percent of original size [2021-10-13 20:03:45,266 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 [2021-10-13 20:03:45,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 20:03:45,354 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 20:03:45,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 20:03:45,432 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 20:03:45,432 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2139553431] [2021-10-13 20:03:45,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2139553431] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 20:03:45,432 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 20:03:45,433 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 2 [2021-10-13 20:03:45,433 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070397544] [2021-10-13 20:03:45,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 20:03:45,433 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 20:03:45,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 20:03:45,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 20:03:45,436 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) [2021-10-13 20:03:45,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 20:03:45,463 INFO L93 Difference]: Finished difference Result 60 states and 120 transitions. [2021-10-13 20:03:45,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 20:03:45,464 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 [2021-10-13 20:03:45,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 20:03:45,465 INFO L225 Difference]: With dead ends: 60 [2021-10-13 20:03:45,465 INFO L226 Difference]: Without dead ends: 60 [2021-10-13 20:03:45,466 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 36.0ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 20:03:45,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2021-10-13 20:03:45,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2021-10-13 20:03:45,470 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) [2021-10-13 20:03:45,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 120 transitions. [2021-10-13 20:03:45,471 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 120 transitions. Word has length 5 [2021-10-13 20:03:45,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 20:03:45,472 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 120 transitions. [2021-10-13 20:03:45,472 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) [2021-10-13 20:03:45,472 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 120 transitions. [2021-10-13 20:03:45,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-13 20:03:45,473 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 20:03:45,473 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 20:03:45,488 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-13 20:03:45,673 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 [2021-10-13 20:03:45,674 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 13 more)] === [2021-10-13 20:03:45,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 20:03:45,675 INFO L82 PathProgramCache]: Analyzing trace with hash -85206356, now seen corresponding path program 1 times [2021-10-13 20:03:45,676 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 20:03:45,676 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [556731806] [2021-10-13 20:03:45,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 20:03:45,677 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 20:03:45,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-13 20:03:45,678 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) [2021-10-13 20:03:45,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-13 20:03:45,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 20:03:45,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 20:03:45,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 20:03:45,901 INFO L354 Elim1Store]: treesize reduction 147, result has 20.5 percent of original size [2021-10-13 20:03:45,901 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 39 treesize of output 63 [2021-10-13 20:03:45,908 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 85 treesize of output 83 [2021-10-13 20:03:46,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 20:03:46,382 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 20:03:46,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 20:03:46,481 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 20:03:46,481 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [556731806] [2021-10-13 20:03:46,481 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [556731806] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 20:03:46,482 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 20:03:46,482 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 2 [2021-10-13 20:03:46,482 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803589029] [2021-10-13 20:03:46,482 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 20:03:46,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 20:03:46,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 20:03:46,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 20:03:46,483 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) [2021-10-13 20:03:46,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 20:03:46,509 INFO L93 Difference]: Finished difference Result 52 states and 100 transitions. [2021-10-13 20:03:46,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 20:03:46,510 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 [2021-10-13 20:03:46,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 20:03:46,511 INFO L225 Difference]: With dead ends: 52 [2021-10-13 20:03:46,511 INFO L226 Difference]: Without dead ends: 52 [2021-10-13 20:03:46,512 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 64.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 20:03:46,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-10-13 20:03:46,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2021-10-13 20:03:46,515 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) [2021-10-13 20:03:46,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 100 transitions. [2021-10-13 20:03:46,516 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 100 transitions. Word has length 7 [2021-10-13 20:03:46,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 20:03:46,517 INFO L470 AbstractCegarLoop]: Abstraction has 52 states and 100 transitions. [2021-10-13 20:03:46,517 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) [2021-10-13 20:03:46,517 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 100 transitions. [2021-10-13 20:03:46,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-13 20:03:46,518 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 20:03:46,518 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 20:03:46,534 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-13 20:03:46,718 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 [2021-10-13 20:03:46,719 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 13 more)] === [2021-10-13 20:03:46,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 20:03:46,721 INFO L82 PathProgramCache]: Analyzing trace with hash -85206355, now seen corresponding path program 1 times [2021-10-13 20:03:46,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 20:03:46,722 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1364038453] [2021-10-13 20:03:46,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 20:03:46,722 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 20:03:46,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-13 20:03:46,735 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) [2021-10-13 20:03:46,785 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-13 20:03:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 20:03:46,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 20:03:46,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 20:03:47,008 INFO L354 Elim1Store]: treesize reduction 232, result has 18.9 percent of original size [2021-10-13 20:03:47,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 21 treesize of output 59 [2021-10-13 20:03:47,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 20:03:47,356 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 20:03:47,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 20:03:47,402 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 20:03:47,402 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1364038453] [2021-10-13 20:03:47,402 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1364038453] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 20:03:47,402 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 20:03:47,402 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-13 20:03:47,403 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095043954] [2021-10-13 20:03:47,404 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 20:03:47,404 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 20:03:47,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 20:03:47,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-13 20:03:47,406 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) [2021-10-13 20:03:47,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 20:03:47,442 INFO L93 Difference]: Finished difference Result 44 states and 80 transitions. [2021-10-13 20:03:47,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 20:03:47,446 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 [2021-10-13 20:03:47,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 20:03:47,447 INFO L225 Difference]: With dead ends: 44 [2021-10-13 20:03:47,447 INFO L226 Difference]: Without dead ends: 44 [2021-10-13 20:03:47,447 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 37.0ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-13 20:03:47,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2021-10-13 20:03:47,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2021-10-13 20:03:47,454 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) [2021-10-13 20:03:47,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 80 transitions. [2021-10-13 20:03:47,454 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 80 transitions. Word has length 7 [2021-10-13 20:03:47,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 20:03:47,457 INFO L470 AbstractCegarLoop]: Abstraction has 44 states and 80 transitions. [2021-10-13 20:03:47,458 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) [2021-10-13 20:03:47,458 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 80 transitions. [2021-10-13 20:03:47,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 20:03:47,459 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 20:03:47,459 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 20:03:47,479 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-13 20:03:47,671 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 [2021-10-13 20:03:47,672 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)] === [2021-10-13 20:03:47,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 20:03:47,673 INFO L82 PathProgramCache]: Analyzing trace with hash -68519890, now seen corresponding path program 1 times [2021-10-13 20:03:47,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 20:03:47,673 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1770055537] [2021-10-13 20:03:47,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 20:03:47,674 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 20:03:47,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-13 20:03:47,675 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) [2021-10-13 20:03:47,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-13 20:03:48,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 20:03:48,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 20:03:48,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 20:04:09,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 20:04:09,478 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 20:04:23,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 20:04:23,591 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 20:04:23,591 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1770055537] [2021-10-13 20:04:23,591 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1770055537] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 20:04:23,591 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 20:04:23,592 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-13 20:04:23,592 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299270853] [2021-10-13 20:04:23,592 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 20:04:23,592 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 20:04:23,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 20:04:23,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-13 20:04:23,593 INFO L87 Difference]: Start difference. First operand 44 states and 80 transitions. Second operand has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 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) [2021-10-13 20:04:31,997 WARN L207 SmtUtils]: Spent 8.15 s on a formula simplification. DAG size of input: 81 DAG size of output: 78 [2021-10-13 20:04:42,203 WARN L207 SmtUtils]: Spent 10.02 s on a formula simplification. DAG size of input: 107 DAG size of output: 104 [2021-10-13 20:04:42,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 20:04:42,264 INFO L93 Difference]: Finished difference Result 67 states and 106 transitions. [2021-10-13 20:04:42,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 20:04:42,266 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-13 20:04:42,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 20:04:42,268 INFO L225 Difference]: With dead ends: 67 [2021-10-13 20:04:42,268 INFO L226 Difference]: Without dead ends: 52 [2021-10-13 20:04:42,268 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 22126.9ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-13 20:04:42,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-10-13 20:04:42,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 44. [2021-10-13 20:04:42,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 1.7209302325581395) internal successors, (74), 43 states have internal predecessors, (74), 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) [2021-10-13 20:04:42,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 74 transitions. [2021-10-13 20:04:42,272 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 74 transitions. Word has length 16 [2021-10-13 20:04:42,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 20:04:42,272 INFO L470 AbstractCegarLoop]: Abstraction has 44 states and 74 transitions. [2021-10-13 20:04:42,272 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 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) [2021-10-13 20:04:42,273 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 74 transitions. [2021-10-13 20:04:42,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 20:04:42,273 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 20:04:42,274 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 20:04:42,314 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-10-13 20:04:42,474 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 [2021-10-13 20:04:42,474 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 13 more)] === [2021-10-13 20:04:42,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 20:04:42,475 INFO L82 PathProgramCache]: Analyzing trace with hash 702655174, now seen corresponding path program 2 times [2021-10-13 20:04:42,476 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 20:04:42,476 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [35045275] [2021-10-13 20:04:42,476 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-13 20:04:42,476 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 20:04:42,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-13 20:04:42,477 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 20:04:42,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-13 20:04:42,716 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-10-13 20:04:42,716 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 20:04:42,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 20:04:42,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 20:05:03,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 20:05:03,912 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 20:05:11,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 20:05:11,742 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 20:05:11,742 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [35045275] [2021-10-13 20:05:11,742 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [35045275] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 20:05:11,743 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 20:05:11,743 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-13 20:05:11,743 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847198803] [2021-10-13 20:05:11,743 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 20:05:11,744 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 20:05:11,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 20:05:11,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-13 20:05:11,745 INFO L87 Difference]: Start difference. First operand 44 states and 74 transitions. Second operand has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 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) [2021-10-13 20:05:38,041 WARN L207 SmtUtils]: Spent 25.97 s on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2021-10-13 20:06:05,284 WARN L207 SmtUtils]: Spent 27.10 s on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2021-10-13 20:06:05,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 20:06:05,363 INFO L93 Difference]: Finished difference Result 63 states and 94 transitions. [2021-10-13 20:06:05,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 20:06:05,365 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-13 20:06:05,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 20:06:05,365 INFO L225 Difference]: With dead ends: 63 [2021-10-13 20:06:05,365 INFO L226 Difference]: Without dead ends: 44 [2021-10-13 20:06:05,366 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 55696.6ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-13 20:06:05,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2021-10-13 20:06:05,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 36. [2021-10-13 20:06:05,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 35 states have (on average 1.6285714285714286) internal successors, (57), 35 states have internal predecessors, (57), 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) [2021-10-13 20:06:05,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 57 transitions. [2021-10-13 20:06:05,375 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 57 transitions. Word has length 16 [2021-10-13 20:06:05,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 20:06:05,375 INFO L470 AbstractCegarLoop]: Abstraction has 36 states and 57 transitions. [2021-10-13 20:06:05,375 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 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) [2021-10-13 20:06:05,375 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 57 transitions. [2021-10-13 20:06:05,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 20:06:05,378 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 20:06:05,378 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 20:06:05,393 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-13 20:06:05,589 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-13 20:06:05,591 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 13 more)] === [2021-10-13 20:06:05,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 20:06:05,592 INFO L82 PathProgramCache]: Analyzing trace with hash 1986448396, now seen corresponding path program 3 times [2021-10-13 20:06:05,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 20:06:05,592 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [230583405] [2021-10-13 20:06:05,593 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-13 20:06:05,593 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 20:06:05,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-13 20:06:05,594 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 20:06:05,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-13 20:06:05,943 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-10-13 20:06:05,943 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 20:06:05,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 20:06:05,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 20:06:36,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 20:06:36,265 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 20:06:41,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 20:06:41,315 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 20:06:41,315 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [230583405] [2021-10-13 20:06:41,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [230583405] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 20:06:41,316 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 20:06:41,316 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-13 20:06:41,316 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085717446] [2021-10-13 20:06:41,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 20:06:41,317 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 20:06:41,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 20:06:41,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-13 20:06:41,317 INFO L87 Difference]: Start difference. First operand 36 states and 57 transitions. Second operand has 8 states, 7 states have (on average 4.0) internal successors, (28), 8 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 20:06:44,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 20:06:44,586 INFO L93 Difference]: Finished difference Result 51 states and 70 transitions. [2021-10-13 20:06:44,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 20:06:44,588 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.0) internal successors, (28), 8 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-13 20:06:44,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 20:06:44,589 INFO L225 Difference]: With dead ends: 51 [2021-10-13 20:06:44,589 INFO L226 Difference]: Without dead ends: 36 [2021-10-13 20:06:44,589 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 19 SyntacticMatches, 5 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 7185.2ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-13 20:06:44,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2021-10-13 20:06:44,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 28. [2021-10-13 20:06:44,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 27 states have (on average 1.4814814814814814) internal successors, (40), 27 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 20:06:44,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 40 transitions. [2021-10-13 20:06:44,593 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 40 transitions. Word has length 16 [2021-10-13 20:06:44,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 20:06:44,593 INFO L470 AbstractCegarLoop]: Abstraction has 28 states and 40 transitions. [2021-10-13 20:06:44,593 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.0) internal successors, (28), 8 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 20:06:44,594 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2021-10-13 20:06:44,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 20:06:44,595 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 20:06:44,595 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 20:06:44,609 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-13 20:06:44,804 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-13 20:06:44,805 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 13 more)] === [2021-10-13 20:06:44,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 20:06:44,806 INFO L82 PathProgramCache]: Analyzing trace with hash -1000774364, now seen corresponding path program 4 times [2021-10-13 20:06:44,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 20:06:44,806 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1235181643] [2021-10-13 20:06:44,806 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-13 20:06:44,807 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 20:06:44,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-13 20:06:44,808 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 20:06:44,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-13 20:06:45,365 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-13 20:06:45,365 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 20:06:45,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 20:06:45,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 20:07:32,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 20:07:32,661 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 20:07:36,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 20:07:36,720 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 20:07:36,720 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1235181643] [2021-10-13 20:07:36,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1235181643] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 20:07:36,721 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 20:07:36,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-13 20:07:36,723 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927797467] [2021-10-13 20:07:36,723 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 20:07:36,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 20:07:36,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 20:07:36,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-13 20:07:36,725 INFO L87 Difference]: Start difference. First operand 28 states and 40 transitions. Second operand has 8 states, 7 states have (on average 4.0) internal successors, (28), 8 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 20:07:47,086 WARN L207 SmtUtils]: Spent 5.53 s on a formula simplification. DAG size of input: 71 DAG size of output: 70 [2021-10-13 20:08:23,200 WARN L207 SmtUtils]: Spent 35.72 s on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2021-10-13 20:08:23,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 20:08:23,330 INFO L93 Difference]: Finished difference Result 37 states and 49 transitions. [2021-10-13 20:08:23,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 20:08:23,332 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.0) internal successors, (28), 8 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-13 20:08:23,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 20:08:23,333 INFO L225 Difference]: With dead ends: 37 [2021-10-13 20:08:23,333 INFO L226 Difference]: Without dead ends: 24 [2021-10-13 20:08:23,333 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 51593.6ms TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2021-10-13 20:08:23,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2021-10-13 20:08:23,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2021-10-13 20:08:23,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.3478260869565217) internal successors, (31), 23 states have internal predecessors, (31), 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) [2021-10-13 20:08:23,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 31 transitions. [2021-10-13 20:08:23,336 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 31 transitions. Word has length 16 [2021-10-13 20:08:23,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 20:08:23,336 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 31 transitions. [2021-10-13 20:08:23,336 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.0) internal successors, (28), 8 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 20:08:23,337 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2021-10-13 20:08:23,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 20:08:23,337 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 20:08:23,338 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 20:08:23,353 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-13 20:08:23,542 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-13 20:08:23,543 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 13 more)] === [2021-10-13 20:08:23,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 20:08:23,544 INFO L82 PathProgramCache]: Analyzing trace with hash -1135103822, now seen corresponding path program 5 times [2021-10-13 20:08:23,545 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 20:08:23,546 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1081375361] [2021-10-13 20:08:23,546 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-13 20:08:23,546 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 20:08:23,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-13 20:08:23,547 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 20:08:23,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-10-13 20:08:24,271 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-10-13 20:08:24,271 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 20:08:24,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 20:08:24,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 20:09:58,037 WARN L207 SmtUtils]: Spent 37.18 s on a formula simplification. DAG size of input: 88 DAG size of output: 71 [2021-10-13 20:11:39,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 20:11:39,277 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 20:11:49,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 20:11:49,764 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 20:11:49,764 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1081375361] [2021-10-13 20:11:49,765 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1081375361] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 20:11:49,765 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 20:11:49,765 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-13 20:11:49,765 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140977861] [2021-10-13 20:11:49,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 20:11:49,766 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 20:11:49,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 20:11:49,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=39, Unknown=1, NotChecked=0, Total=56 [2021-10-13 20:11:49,767 INFO L87 Difference]: Start difference. First operand 24 states and 31 transitions. Second operand has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 8 states have internal predecessors, (25), 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) [2021-10-13 20:12:48,017 WARN L207 SmtUtils]: Spent 47.54 s on a formula simplification. DAG size of input: 114 DAG size of output: 113 [2021-10-13 20:12:49,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 20:12:49,410 INFO L93 Difference]: Finished difference Result 31 states and 37 transitions. [2021-10-13 20:12:49,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 20:12:49,413 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-13 20:12:49,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 20:12:49,413 INFO L225 Difference]: With dead ends: 31 [2021-10-13 20:12:49,413 INFO L226 Difference]: Without dead ends: 20 [2021-10-13 20:12:49,414 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 100276.9ms TimeCoverageRelationStatistics Valid=31, Invalid=58, Unknown=1, NotChecked=0, Total=90 [2021-10-13 20:12:49,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2021-10-13 20:12:49,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-10-13 20:12:49,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 19 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 20:12:49,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2021-10-13 20:12:49,417 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 22 transitions. Word has length 16 [2021-10-13 20:12:49,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 20:12:49,417 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 22 transitions. [2021-10-13 20:12:49,417 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 8 states have internal predecessors, (25), 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) [2021-10-13 20:12:49,417 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2021-10-13 20:12:49,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 20:12:49,418 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 20:12:49,418 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 20:12:49,441 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-10-13 20:12:49,626 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-13 20:12:49,627 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 13 more)] === [2021-10-13 20:12:49,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 20:12:49,628 INFO L82 PathProgramCache]: Analyzing trace with hash 1430816140, now seen corresponding path program 6 times [2021-10-13 20:12:49,629 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 20:12:49,629 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1931210586] [2021-10-13 20:12:49,629 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-13 20:12:49,630 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 20:12:49,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-13 20:12:49,631 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 20:12:49,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-10-13 20:12:50,396 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2021-10-13 20:12:50,396 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 20:12:50,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 20:12:50,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 20:14:00,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 20:14:00,610 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 20:14:08,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 20:14:08,720 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 20:14:08,720 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1931210586] [2021-10-13 20:14:08,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1931210586] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 20:14:08,721 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 20:14:08,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-13 20:14:08,721 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283248781] [2021-10-13 20:14:08,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 20:14:08,722 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 20:14:08,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 20:14:08,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-13 20:14:08,723 INFO L87 Difference]: Start difference. First operand 20 states and 22 transitions. Second operand has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 8 states have internal predecessors, (25), 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) [2021-10-13 20:14:18,626 WARN L207 SmtUtils]: Spent 8.17 s on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2021-10-13 20:14:29,038 WARN L207 SmtUtils]: Spent 9.93 s on a formula simplification. DAG size of input: 96 DAG size of output: 95 [2021-10-13 20:14:29,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 20:14:29,042 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2021-10-13 20:14:29,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 20:14:29,042 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-13 20:14:29,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 20:14:29,043 INFO L225 Difference]: With dead ends: 19 [2021-10-13 20:14:29,043 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 20:14:29,043 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 29223.0ms TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2021-10-13 20:14:29,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 20:14:29,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 20:14:29,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-10-13 20:14:29,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 20:14:29,044 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2021-10-13 20:14:29,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 20:14:29,044 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 20:14:29,044 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 8 states have internal predecessors, (25), 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) [2021-10-13 20:14:29,044 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 20:14:29,044 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 20:14:29,046 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0REQUIRES_VIOLATION [2021-10-13 20:14:29,047 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1REQUIRES_VIOLATION [2021-10-13 20:14:29,047 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2REQUIRES_VIOLATION [2021-10-13 20:14:29,047 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3REQUIRES_VIOLATION [2021-10-13 20:14:29,047 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4REQUIRES_VIOLATION [2021-10-13 20:14:29,047 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5REQUIRES_VIOLATION [2021-10-13 20:14:29,047 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6REQUIRES_VIOLATION [2021-10-13 20:14:29,047 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7REQUIRES_VIOLATION [2021-10-13 20:14:29,047 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8REQUIRES_VIOLATION [2021-10-13 20:14:29,048 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9REQUIRES_VIOLATION [2021-10-13 20:14:29,048 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10REQUIRES_VIOLATION [2021-10-13 20:14:29,048 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11REQUIRES_VIOLATION [2021-10-13 20:14:29,048 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 20:14:29,048 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 20:14:29,048 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-13 20:14:29,048 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-13 20:14:29,048 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-13 20:14:29,060 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-10-13 20:14:29,249 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-13 20:14:29,256 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-13 20:14:29,256 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 20:14:29,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:14:29 BasicIcfg [2021-10-13 20:14:29,258 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 20:14:29,259 INFO L168 Benchmark]: Toolchain (without parser) took 668859.83 ms. Allocated memory was 152.0 MB in the beginning and 182.5 MB in the end (delta: 30.4 MB). Free memory was 126.7 MB in the beginning and 132.1 MB in the end (delta: -5.4 MB). Peak memory consumption was 25.8 MB. Max. memory is 8.0 GB. [2021-10-13 20:14:29,259 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 152.0 MB. Free memory is still 123.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-13 20:14:29,260 INFO L168 Benchmark]: CACSL2BoogieTranslator took 302.39 ms. Allocated memory is still 152.0 MB. Free memory was 126.6 MB in the beginning and 115.2 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-10-13 20:14:29,260 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.13 ms. Allocated memory is still 152.0 MB. Free memory was 115.2 MB in the beginning and 112.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-13 20:14:29,261 INFO L168 Benchmark]: Boogie Preprocessor took 59.86 ms. Allocated memory is still 152.0 MB. Free memory was 112.9 MB in the beginning and 111.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-13 20:14:29,261 INFO L168 Benchmark]: RCFGBuilder took 776.97 ms. Allocated memory is still 152.0 MB. Free memory was 111.4 MB in the beginning and 127.4 MB in the end (delta: -16.1 MB). Peak memory consumption was 15.2 MB. Max. memory is 8.0 GB. [2021-10-13 20:14:29,261 INFO L168 Benchmark]: TraceAbstraction took 667649.27 ms. Allocated memory was 152.0 MB in the beginning and 182.5 MB in the end (delta: 30.4 MB). Free memory was 126.9 MB in the beginning and 132.1 MB in the end (delta: -5.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2021-10-13 20:14:29,264 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 152.0 MB. Free memory is still 123.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 302.39 ms. Allocated memory is still 152.0 MB. Free memory was 126.6 MB in the beginning and 115.2 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 56.13 ms. Allocated memory is still 152.0 MB. Free memory was 115.2 MB in the beginning and 112.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 59.86 ms. Allocated memory is still 152.0 MB. Free memory was 112.9 MB in the beginning and 111.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 776.97 ms. Allocated memory is still 152.0 MB. Free memory was 111.4 MB in the beginning and 127.4 MB in the end (delta: -16.1 MB). Peak memory consumption was 15.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 667649.27 ms. Allocated memory was 152.0 MB in the beginning and 182.5 MB in the end (delta: 30.4 MB). Free memory was 126.9 MB in the beginning and 132.1 MB in the end (delta: -5.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 16888.1ms, 209 PlacesBefore, 43 PlacesAfterwards, 216 TransitionsBefore, 33 TransitionsAfterwards, 12768 CoEnabledTransitionPairs, 8 FixpointIterations, 78 TrivialSequentialCompositions, 126 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 57 ConcurrentYvCompositions, 17 ChoiceCompositions, 282 TotalNumberOfCompositions, 12608 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 12608, positive: 12608, positive conditional: 0, positive unconditional: 12608, 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: 9969, positive: 9969, positive conditional: 0, positive unconditional: 9969, 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: 9969, positive: 9969, positive conditional: 0, positive unconditional: 9969, 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: 12608, positive: 2639, positive conditional: 0, positive unconditional: 2639, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 9969, unknown conditional: 0, unknown unconditional: 9969] , 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 - PositiveResult [Line: 72]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 72]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 73]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 73]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 74]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 74]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 75]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 75]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 76]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 76]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 77]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 77]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 81]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 61]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 305 locations, 17 error locations. Started 1 CEGAR loops. OverallTime: 667352.7ms, OverallIterations: 13, TraceHistogramMax: 1, EmptinessCheckTime: 24.5ms, AutomataDifference: 202463.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 16993.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 236 SDtfs, 380 SDslu, 271 SDs, 0 SdLazy, 175 SolverSat, 17 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 8021.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 247 GetRequests, 180 SyntacticMatches, 5 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 266329.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=0, InterpolantAutomatonStates: 56, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 107.9ms AutomataMinimizationTime, 13 MinimizatonAttempts, 24 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 155.9ms SsaConstructionTime, 1557.4ms SatisfiabilityAnalysisTime, 441305.0ms InterpolantComputationTime, 127 NumberOfCodeBlocks, 127 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 228 ConstructedInterpolants, 52 QuantifiedInterpolants, 13246 SizeOfPredicates, 348 NumberOfNonLiveVariables, 751 ConjunctsInSsa, 62 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 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 - AllSpecificationsHoldResult: All specifications hold 14 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-13 20:14:29,433 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...