/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-collitem-trans.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-8c2bbc9 [2021-10-08 16:46:53,805 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-08 16:46:53,808 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-08 16:46:53,861 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-08 16:46:53,941 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-08 16:46:53,942 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-08 16:46:53,943 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-08 16:46:53,944 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-08 16:46:53,974 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-08 16:46:53,974 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-08 16:46:53,974 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-08 16:46:53,975 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-08 16:46:53,976 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-08 16:46:53,976 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-08 16:46:53,977 INFO L138 SettingsManager]: * Use SBE=true [2021-10-08 16:46:53,977 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-08 16:46:53,977 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-08 16:46:53,977 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-08 16:46:53,978 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-08 16:46:53,978 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-08 16:46:53,978 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-08 16:46:53,978 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-08 16:46:53,978 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-08 16:46:53,979 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-08 16:46:53,979 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-08 16:46:53,979 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-08 16:46:53,979 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-08 16:46:53,979 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-08 16:46:53,980 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-08 16:46:53,980 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-08 16:46:53,980 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-08 16:46:53,980 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-08 16:46:53,981 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-08 16:46:53,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-08 16:46:53,981 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-08 16:46:53,981 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-08 16:46:53,982 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-08 16:46:53,982 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-08 16:46:53,982 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-08 16:46:53,982 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-08 16:46:53,982 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-08 16:46:54,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-08 16:46:54,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-08 16:46:54,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-08 16:46:54,435 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-08 16:46:54,436 INFO L275 PluginConnector]: CDTParser initialized [2021-10-08 16:46:54,437 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-collitem-trans.wvr.c [2021-10-08 16:46:54,529 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dde266df5/b37c3e47d1b8403891c8b54bb93b505f/FLAG9e919e3b8 [2021-10-08 16:46:55,252 INFO L306 CDTParser]: Found 1 translation units. [2021-10-08 16:46:55,253 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl-collitem-trans.wvr.c [2021-10-08 16:46:55,267 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dde266df5/b37c3e47d1b8403891c8b54bb93b505f/FLAG9e919e3b8 [2021-10-08 16:46:55,608 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dde266df5/b37c3e47d1b8403891c8b54bb93b505f [2021-10-08 16:46:55,614 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-08 16:46:55,622 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-08 16:46:55,626 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-08 16:46:55,626 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-08 16:46:55,635 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-08 16:46:55,636 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.10 04:46:55" (1/1) ... [2021-10-08 16:46:55,638 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38250762 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 04:46:55, skipping insertion in model container [2021-10-08 16:46:55,638 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.10 04:46:55" (1/1) ... [2021-10-08 16:46:55,647 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-08 16:46:55,685 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-08 16:46:55,941 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-collitem-trans.wvr.c[3477,3490] [2021-10-08 16:46:55,950 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-08 16:46:55,968 INFO L203 MainTranslator]: Completed pre-run [2021-10-08 16:46:56,000 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-collitem-trans.wvr.c[3477,3490] [2021-10-08 16:46:56,004 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-08 16:46:56,027 INFO L208 MainTranslator]: Completed translation [2021-10-08 16:46:56,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 04:46:56 WrapperNode [2021-10-08 16:46:56,028 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-08 16:46:56,030 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-08 16:46:56,030 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-08 16:46:56,030 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-08 16:46:56,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 04:46:56" (1/1) ... [2021-10-08 16:46:56,054 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 04:46:56" (1/1) ... [2021-10-08 16:46:56,095 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-08 16:46:56,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-08 16:46:56,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-08 16:46:56,096 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-08 16:46:56,108 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 04:46:56" (1/1) ... [2021-10-08 16:46:56,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 04:46:56" (1/1) ... [2021-10-08 16:46:56,116 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 04:46:56" (1/1) ... [2021-10-08 16:46:56,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 04:46:56" (1/1) ... [2021-10-08 16:46:56,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 04:46:56" (1/1) ... [2021-10-08 16:46:56,136 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 04:46:56" (1/1) ... [2021-10-08 16:46:56,141 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 04:46:56" (1/1) ... [2021-10-08 16:46:56,148 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-08 16:46:56,149 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-08 16:46:56,149 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-08 16:46:56,150 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-08 16:46:56,151 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 04:46:56" (1/1) ... [2021-10-08 16:46:56,163 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-08 16:46:56,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 16:46:56,209 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) [2021-10-08 16:46:56,233 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 [2021-10-08 16:46:56,301 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-08 16:46:56,302 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-08 16:46:56,302 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-08 16:46:56,303 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-08 16:46:56,303 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-08 16:46:56,303 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-08 16:46:56,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-08 16:46:56,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-08 16:46:56,305 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-08 16:46:56,305 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-08 16:46:56,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-08 16:46:56,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-08 16:46:56,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-08 16:46:56,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-08 16:46:56,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-08 16:46:56,310 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-08 16:46:59,785 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-08 16:46:59,786 INFO L299 CfgBuilder]: Removed 78 assume(true) statements. [2021-10-08 16:46:59,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 04:46:59 BoogieIcfgContainer [2021-10-08 16:46:59,789 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-08 16:46:59,793 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-08 16:46:59,794 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-08 16:46:59,797 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-08 16:46:59,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.10 04:46:55" (1/3) ... [2021-10-08 16:46:59,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70e4869e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 04:46:59, skipping insertion in model container [2021-10-08 16:46:59,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 04:46:56" (2/3) ... [2021-10-08 16:46:59,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70e4869e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 04:46:59, skipping insertion in model container [2021-10-08 16:46:59,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 04:46:59" (3/3) ... [2021-10-08 16:46:59,802 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-collitem-trans.wvr.c [2021-10-08 16:46:59,809 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-08 16:46:59,809 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2021-10-08 16:46:59,809 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-08 16:46:59,912 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,912 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,912 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,913 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,913 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,913 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,913 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,913 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,913 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,914 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,914 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,914 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,914 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,914 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,915 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,915 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,915 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,917 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,917 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,917 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,917 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,918 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,918 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,918 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,918 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,919 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,919 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,920 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,920 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,920 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,921 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,921 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,921 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,921 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,923 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,923 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,924 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,924 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,925 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,926 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,926 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,926 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,926 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,927 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,927 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,927 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,927 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,927 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,928 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,928 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,928 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,929 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,929 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,929 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,929 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,931 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,931 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,931 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,932 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,932 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,932 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,933 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,933 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,933 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,934 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,934 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,935 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,935 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,935 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,935 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,935 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,935 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,938 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,938 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,938 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,939 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,939 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,940 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,940 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,940 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,940 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,940 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,940 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,941 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,941 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,941 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,941 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,941 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,942 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,942 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,943 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,944 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,944 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,947 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,948 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,952 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,957 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,957 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,958 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,958 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,958 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,958 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,958 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,958 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,959 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,959 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,961 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,961 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,961 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,961 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,963 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,964 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,964 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,964 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,968 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,968 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,969 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,969 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,969 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,969 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,970 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,970 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,970 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,970 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,971 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,971 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,971 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,971 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,971 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,972 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,974 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,974 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,975 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,975 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,975 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,975 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,976 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,976 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,976 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,976 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,976 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,976 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,977 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,977 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,977 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,977 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,980 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,980 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,981 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,981 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,981 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,981 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,982 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,982 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,982 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,982 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,983 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,983 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,983 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,983 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,983 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,983 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 16:46:59,990 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-08 16:47:00,051 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-08 16:47:00,060 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 [2021-10-08 16:47:00,060 INFO L340 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2021-10-08 16:47:00,087 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-08 16:47:00,103 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 132 places, 123 transitions, 270 flow [2021-10-08 16:47:00,114 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 132 places, 123 transitions, 270 flow [2021-10-08 16:47:00,117 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 132 places, 123 transitions, 270 flow [2021-10-08 16:47:00,226 INFO L129 PetriNetUnfolder]: 1/120 cut-off events. [2021-10-08 16:47:00,227 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-10-08 16:47:00,233 INFO L84 FinitePrefix]: Finished finitePrefix Result has 133 conditions, 120 events. 1/120 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 56 event pairs, 0 based on Foata normal form. 0/105 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2021-10-08 16:47:00,238 INFO L116 LiptonReduction]: Number of co-enabled transitions 378 [2021-10-08 16:47:38,653 INFO L131 LiptonReduction]: Checked pairs total: 656 [2021-10-08 16:47:38,654 INFO L133 LiptonReduction]: Total number of compositions: 119 [2021-10-08 16:47:38,666 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 43 places, 33 transitions, 90 flow [2021-10-08 16:47:38,682 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) [2021-10-08 16:47:38,685 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) [2021-10-08 16:47:38,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2021-10-08 16:47:38,691 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 16:47:38,692 INFO L512 BasicCegarLoop]: trace histogram [1] [2021-10-08 16:47:38,693 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 13 more)] === [2021-10-08 16:47:38,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 16:47:38,699 INFO L82 PathProgramCache]: Analyzing trace with hash 1143, now seen corresponding path program 1 times [2021-10-08 16:47:38,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-08 16:47:38,714 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1615492947] [2021-10-08 16:47:38,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 16:47:38,715 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-08 16:47:38,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-08 16:47:38,720 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) [2021-10-08 16:47:38,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-08 16:47:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 16:47:38,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 3 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-08 16:47:38,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 16:47:38,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 16:47:38,828 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-08 16:47:38,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 16:47:38,830 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-08 16:47:38,830 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1615492947] [2021-10-08 16:47:38,831 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1615492947] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-08 16:47:38,831 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-08 16:47:38,831 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0, 0] imperfect sequences [] total 0 [2021-10-08 16:47:38,833 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048966033] [2021-10-08 16:47:38,840 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-08 16:47:38,840 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-08 16:47:38,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-08 16:47:38,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-08 16:47:38,860 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) [2021-10-08 16:47:38,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 16:47:38,879 INFO L93 Difference]: Finished difference Result 84 states and 164 transitions. [2021-10-08 16:47:38,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 16:47:38,880 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 [2021-10-08 16:47:38,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 16:47:38,893 INFO L225 Difference]: With dead ends: 84 [2021-10-08 16:47:38,893 INFO L226 Difference]: Without dead ends: 84 [2021-10-08 16:47:38,894 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 [2021-10-08 16:47:38,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2021-10-08 16:47:38,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2021-10-08 16:47:38,937 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) [2021-10-08 16:47:38,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 164 transitions. [2021-10-08 16:47:38,941 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 164 transitions. Word has length 1 [2021-10-08 16:47:38,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 16:47:38,942 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 164 transitions. [2021-10-08 16:47:38,942 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) [2021-10-08 16:47:38,942 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 164 transitions. [2021-10-08 16:47:38,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-08 16:47:38,943 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 16:47:38,943 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-08 16:47:38,960 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-08 16:47:39,154 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 [2021-10-08 16:47:39,155 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 13 more)] === [2021-10-08 16:47:39,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 16:47:39,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1131167, now seen corresponding path program 1 times [2021-10-08 16:47:39,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-08 16:47:39,157 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [163874341] [2021-10-08 16:47:39,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 16:47:39,157 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-08 16:47:39,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-08 16:47:39,161 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) [2021-10-08 16:47:39,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-08 16:47:39,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 16:47:39,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-08 16:47:39,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 16:47:39,569 INFO L354 Elim1Store]: treesize reduction 141, result has 23.8 percent of original size [2021-10-08 16:47:39,571 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 [2021-10-08 16:47:39,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 16:47:39,679 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-08 16:47:39,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 16:47:39,742 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-08 16:47:39,742 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [163874341] [2021-10-08 16:47:39,743 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [163874341] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-08 16:47:39,743 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-08 16:47:39,743 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 2 [2021-10-08 16:47:39,743 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193204021] [2021-10-08 16:47:39,745 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-08 16:47:39,745 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-08 16:47:39,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-08 16:47:39,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-08 16:47:39,747 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) [2021-10-08 16:47:39,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 16:47:39,805 INFO L93 Difference]: Finished difference Result 78 states and 153 transitions. [2021-10-08 16:47:39,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-08 16:47:39,806 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 [2021-10-08 16:47:39,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 16:47:39,808 INFO L225 Difference]: With dead ends: 78 [2021-10-08 16:47:39,808 INFO L226 Difference]: Without dead ends: 78 [2021-10-08 16:47:39,809 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 48.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-08 16:47:39,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-10-08 16:47:39,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2021-10-08 16:47:39,817 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) [2021-10-08 16:47:39,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 153 transitions. [2021-10-08 16:47:39,820 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 153 transitions. Word has length 3 [2021-10-08 16:47:39,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 16:47:39,820 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 153 transitions. [2021-10-08 16:47:39,820 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) [2021-10-08 16:47:39,820 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 153 transitions. [2021-10-08 16:47:39,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-08 16:47:39,821 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 16:47:39,821 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-08 16:47:39,838 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-08 16:47:40,035 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 [2021-10-08 16:47:40,035 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 13 more)] === [2021-10-08 16:47:40,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 16:47:40,037 INFO L82 PathProgramCache]: Analyzing trace with hash 1131168, now seen corresponding path program 1 times [2021-10-08 16:47:40,037 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-08 16:47:40,038 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1865890603] [2021-10-08 16:47:40,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 16:47:40,038 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-08 16:47:40,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-08 16:47:40,040 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) [2021-10-08 16:47:40,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-08 16:47:40,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 16:47:40,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-08 16:47:40,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 16:47:40,334 INFO L354 Elim1Store]: treesize reduction 232, result has 18.9 percent of original size [2021-10-08 16:47:40,335 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 [2021-10-08 16:47:40,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 16:47:40,833 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-08 16:47:40,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 16:47:40,842 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-08 16:47:40,843 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1865890603] [2021-10-08 16:47:40,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1865890603] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-08 16:47:40,843 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-08 16:47:40,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 1 [2021-10-08 16:47:40,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132541245] [2021-10-08 16:47:40,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-08 16:47:40,844 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-08 16:47:40,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-08 16:47:40,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 16:47:40,845 INFO L87 Difference]: Start difference. First operand 78 states and 153 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:47:40,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 16:47:40,883 INFO L93 Difference]: Finished difference Result 72 states and 142 transitions. [2021-10-08 16:47:40,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-08 16:47:40,884 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2021-10-08 16:47:40,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 16:47:40,886 INFO L225 Difference]: With dead ends: 72 [2021-10-08 16:47:40,886 INFO L226 Difference]: Without dead ends: 72 [2021-10-08 16:47:40,887 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 16:47:40,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2021-10-08 16:47:40,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2021-10-08 16:47:40,894 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) [2021-10-08 16:47:40,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 142 transitions. [2021-10-08 16:47:40,896 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 142 transitions. Word has length 3 [2021-10-08 16:47:40,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 16:47:40,896 INFO L470 AbstractCegarLoop]: Abstraction has 72 states and 142 transitions. [2021-10-08 16:47:40,897 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:47:40,897 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 142 transitions. [2021-10-08 16:47:40,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-08 16:47:40,897 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 16:47:40,897 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-08 16:47:40,917 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-08 16:47:41,110 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 [2021-10-08 16:47:41,111 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 13 more)] === [2021-10-08 16:47:41,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 16:47:41,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1087085127, now seen corresponding path program 1 times [2021-10-08 16:47:41,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-08 16:47:41,113 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1302232739] [2021-10-08 16:47:41,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 16:47:41,113 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-08 16:47:41,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-08 16:47:41,115 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) [2021-10-08 16:47:41,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-08 16:47:41,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 16:47:41,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-08 16:47:41,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 16:47:41,395 INFO L354 Elim1Store]: treesize reduction 232, result has 18.9 percent of original size [2021-10-08 16:47:41,396 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 [2021-10-08 16:47:41,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 16:47:41,893 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-08 16:47:41,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 16:47:41,911 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-08 16:47:41,913 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1302232739] [2021-10-08 16:47:41,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1302232739] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-08 16:47:41,914 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-08 16:47:41,914 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 1 [2021-10-08 16:47:41,914 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331602544] [2021-10-08 16:47:41,914 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-08 16:47:41,915 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-08 16:47:41,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-08 16:47:41,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 16:47:41,917 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) [2021-10-08 16:47:41,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 16:47:41,968 INFO L93 Difference]: Finished difference Result 66 states and 131 transitions. [2021-10-08 16:47:41,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-08 16:47:41,969 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 [2021-10-08 16:47:41,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 16:47:41,972 INFO L225 Difference]: With dead ends: 66 [2021-10-08 16:47:41,972 INFO L226 Difference]: Without dead ends: 66 [2021-10-08 16:47:41,973 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 16:47:41,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2021-10-08 16:47:41,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2021-10-08 16:47:41,988 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) [2021-10-08 16:47:41,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 131 transitions. [2021-10-08 16:47:41,991 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 131 transitions. Word has length 5 [2021-10-08 16:47:41,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 16:47:41,992 INFO L470 AbstractCegarLoop]: Abstraction has 66 states and 131 transitions. [2021-10-08 16:47:41,992 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) [2021-10-08 16:47:41,992 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 131 transitions. [2021-10-08 16:47:41,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-08 16:47:41,992 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 16:47:41,993 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-08 16:47:42,006 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-08 16:47:42,205 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 [2021-10-08 16:47:42,205 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 13 more)] === [2021-10-08 16:47:42,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 16:47:42,207 INFO L82 PathProgramCache]: Analyzing trace with hash 1087085128, now seen corresponding path program 1 times [2021-10-08 16:47:42,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-08 16:47:42,208 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1884884298] [2021-10-08 16:47:42,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 16:47:42,209 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-08 16:47:42,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-08 16:47:42,210 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) [2021-10-08 16:47:42,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-08 16:47:42,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 16:47:42,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-08 16:47:42,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 16:47:42,504 INFO L354 Elim1Store]: treesize reduction 141, result has 23.8 percent of original size [2021-10-08 16:47:42,505 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 [2021-10-08 16:47:42,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 16:47:42,614 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-08 16:47:42,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 16:47:42,704 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-08 16:47:42,704 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1884884298] [2021-10-08 16:47:42,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1884884298] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-08 16:47:42,705 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-08 16:47:42,705 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 2 [2021-10-08 16:47:42,705 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546752728] [2021-10-08 16:47:42,705 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-08 16:47:42,706 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-08 16:47:42,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-08 16:47:42,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-08 16:47:42,707 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) [2021-10-08 16:47:42,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 16:47:42,741 INFO L93 Difference]: Finished difference Result 60 states and 120 transitions. [2021-10-08 16:47:42,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-08 16:47:42,742 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 [2021-10-08 16:47:42,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 16:47:42,743 INFO L225 Difference]: With dead ends: 60 [2021-10-08 16:47:42,743 INFO L226 Difference]: Without dead ends: 60 [2021-10-08 16:47:42,744 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 39.0ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-08 16:47:42,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2021-10-08 16:47:42,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2021-10-08 16:47:42,748 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) [2021-10-08 16:47:42,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 120 transitions. [2021-10-08 16:47:42,749 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 120 transitions. Word has length 5 [2021-10-08 16:47:42,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 16:47:42,749 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 120 transitions. [2021-10-08 16:47:42,750 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) [2021-10-08 16:47:42,750 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 120 transitions. [2021-10-08 16:47:42,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-08 16:47:42,750 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 16:47:42,751 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-08 16:47:42,763 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-08 16:47:42,951 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 [2021-10-08 16:47:42,951 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 13 more)] === [2021-10-08 16:47:42,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 16:47:42,952 INFO L82 PathProgramCache]: Analyzing trace with hash 1011787867, now seen corresponding path program 1 times [2021-10-08 16:47:42,953 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-08 16:47:42,953 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1042828265] [2021-10-08 16:47:42,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 16:47:42,953 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-08 16:47:42,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-08 16:47:42,955 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) [2021-10-08 16:47:42,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-08 16:47:43,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 16:47:43,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-08 16:47:43,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 16:47:43,237 INFO L354 Elim1Store]: treesize reduction 232, result has 18.9 percent of original size [2021-10-08 16:47:43,238 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 [2021-10-08 16:47:43,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 16:47:43,652 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-08 16:47:43,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 16:47:43,699 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-08 16:47:43,700 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1042828265] [2021-10-08 16:47:43,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1042828265] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-08 16:47:43,700 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-08 16:47:43,700 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-08 16:47:43,700 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797262457] [2021-10-08 16:47:43,701 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-08 16:47:43,701 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-08 16:47:43,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-08 16:47:43,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-08 16:47:43,702 INFO L87 Difference]: Start difference. First operand 60 states and 120 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) [2021-10-08 16:47:43,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 16:47:43,745 INFO L93 Difference]: Finished difference Result 52 states and 100 transitions. [2021-10-08 16:47:43,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-08 16:47:43,746 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 [2021-10-08 16:47:43,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 16:47:43,747 INFO L225 Difference]: With dead ends: 52 [2021-10-08 16:47:43,747 INFO L226 Difference]: Without dead ends: 52 [2021-10-08 16:47:43,747 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 38.6ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-08 16:47:43,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-10-08 16:47:43,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2021-10-08 16:47:43,751 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) [2021-10-08 16:47:43,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 100 transitions. [2021-10-08 16:47:43,751 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 100 transitions. Word has length 7 [2021-10-08 16:47:43,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 16:47:43,752 INFO L470 AbstractCegarLoop]: Abstraction has 52 states and 100 transitions. [2021-10-08 16:47:43,752 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) [2021-10-08 16:47:43,752 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 100 transitions. [2021-10-08 16:47:43,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-08 16:47:43,753 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 16:47:43,753 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-08 16:47:43,769 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-08 16:47:43,962 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 [2021-10-08 16:47:43,963 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 13 more)] === [2021-10-08 16:47:43,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 16:47:43,963 INFO L82 PathProgramCache]: Analyzing trace with hash 1011787868, now seen corresponding path program 1 times [2021-10-08 16:47:43,964 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-08 16:47:43,965 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1297202310] [2021-10-08 16:47:43,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 16:47:43,965 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-08 16:47:43,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-08 16:47:43,969 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) [2021-10-08 16:47:44,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-08 16:47:44,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 16:47:44,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-08 16:47:44,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 16:47:44,237 INFO L354 Elim1Store]: treesize reduction 147, result has 20.5 percent of original size [2021-10-08 16:47:44,237 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 37 treesize of output 61 [2021-10-08 16:47:44,248 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 107 treesize of output 103 [2021-10-08 16:47:44,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 16:47:44,784 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-08 16:47:44,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 16:47:44,891 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-08 16:47:44,892 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1297202310] [2021-10-08 16:47:44,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1297202310] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-08 16:47:44,892 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-08 16:47:44,892 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 2 [2021-10-08 16:47:44,892 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555534113] [2021-10-08 16:47:44,893 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-08 16:47:44,893 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-08 16:47:44,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-08 16:47:44,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-08 16:47:44,894 INFO L87 Difference]: Start difference. First operand 52 states and 100 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) [2021-10-08 16:47:44,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 16:47:44,920 INFO L93 Difference]: Finished difference Result 44 states and 80 transitions. [2021-10-08 16:47:44,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-08 16:47:44,921 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 [2021-10-08 16:47:44,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 16:47:44,922 INFO L225 Difference]: With dead ends: 44 [2021-10-08 16:47:44,922 INFO L226 Difference]: Without dead ends: 44 [2021-10-08 16:47:44,922 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 48.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-08 16:47:44,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2021-10-08 16:47:44,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2021-10-08 16:47:44,925 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) [2021-10-08 16:47:44,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 80 transitions. [2021-10-08 16:47:44,926 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 80 transitions. Word has length 7 [2021-10-08 16:47:44,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 16:47:44,927 INFO L470 AbstractCegarLoop]: Abstraction has 44 states and 80 transitions. [2021-10-08 16:47:44,927 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) [2021-10-08 16:47:44,927 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 80 transitions. [2021-10-08 16:47:44,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-08 16:47:44,928 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 16:47:44,928 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 16:47:44,942 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-08 16:47:45,129 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 [2021-10-08 16:47:45,130 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)] === [2021-10-08 16:47:45,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 16:47:45,131 INFO L82 PathProgramCache]: Analyzing trace with hash 991196659, now seen corresponding path program 1 times [2021-10-08 16:47:45,132 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-08 16:47:45,132 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [267152357] [2021-10-08 16:47:45,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 16:47:45,133 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-08 16:47:45,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-08 16:47:45,134 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) [2021-10-08 16:47:45,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-08 16:47:51,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 16:47:51,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 18 conjunts are in the unsatisfiable core [2021-10-08 16:47:51,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 16:54:05,004 WARN L207 SmtUtils]: Spent 12.95 s on a formula simplification. DAG size of input: 267 DAG size of output: 231 [2021-10-08 16:55:17,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 16:55:17,830 INFO L328 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2021-10-08 17:00:55,378 WARN L223 SmtUtils]: Removed 1 from assertion stack [2021-10-08 17:00:55,382 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK [2021-10-08 17:00:55,385 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-08 17:00:55,399 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-10-08 17:00:55,416 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-08 17:00:55,588 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 [2021-10-08 17:00:55,589 WARN L594 AbstractCegarLoop]: Verification canceled: while BasicCegarLoop was analyzing trace of length 17 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 8 for 2ms.. [2021-10-08 17:00:55,592 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0REQUIRES_VIOLATION [2021-10-08 17:00:55,593 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1REQUIRES_VIOLATION [2021-10-08 17:00:55,593 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2REQUIRES_VIOLATION [2021-10-08 17:00:55,593 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3REQUIRES_VIOLATION [2021-10-08 17:00:55,593 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4REQUIRES_VIOLATION [2021-10-08 17:00:55,593 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5REQUIRES_VIOLATION [2021-10-08 17:00:55,593 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr6REQUIRES_VIOLATION [2021-10-08 17:00:55,594 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr7REQUIRES_VIOLATION [2021-10-08 17:00:55,594 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr8REQUIRES_VIOLATION [2021-10-08 17:00:55,594 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr9REQUIRES_VIOLATION [2021-10-08 17:00:55,594 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr10REQUIRES_VIOLATION [2021-10-08 17:00:55,594 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr11REQUIRES_VIOLATION [2021-10-08 17:00:55,595 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK [2021-10-08 17:00:55,595 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-08 17:00:55,595 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-08 17:00:55,595 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-08 17:00:55,600 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-08 17:00:55,601 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-08 17:00:55,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 05:00:55 BasicIcfg [2021-10-08 17:00:55,603 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-08 17:00:55,605 INFO L168 Benchmark]: Toolchain (without parser) took 839988.76 ms. Allocated memory was 182.5 MB in the beginning and 239.1 MB in the end (delta: 56.6 MB). Free memory was 156.4 MB in the beginning and 124.7 MB in the end (delta: 31.7 MB). Peak memory consumption was 151.3 MB. Max. memory is 8.0 GB. [2021-10-08 17:00:55,605 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 182.5 MB. Free memory is still 153.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-08 17:00:55,606 INFO L168 Benchmark]: CACSL2BoogieTranslator took 402.69 ms. Allocated memory is still 182.5 MB. Free memory was 156.0 MB in the beginning and 144.4 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-10-08 17:00:55,606 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.25 ms. Allocated memory is still 182.5 MB. Free memory was 144.2 MB in the beginning and 141.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-10-08 17:00:55,607 INFO L168 Benchmark]: Boogie Preprocessor took 52.33 ms. Allocated memory is still 182.5 MB. Free memory was 141.3 MB in the beginning and 139.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-08 17:00:55,607 INFO L168 Benchmark]: RCFGBuilder took 3639.70 ms. Allocated memory is still 182.5 MB. Free memory was 139.2 MB in the beginning and 64.7 MB in the end (delta: 74.5 MB). Peak memory consumption was 75.5 MB. Max. memory is 8.0 GB. [2021-10-08 17:00:55,608 INFO L168 Benchmark]: TraceAbstraction took 835810.11 ms. Allocated memory was 182.5 MB in the beginning and 239.1 MB in the end (delta: 56.6 MB). Free memory was 64.2 MB in the beginning and 124.7 MB in the end (delta: -60.5 MB). Peak memory consumption was 58.0 MB. Max. memory is 8.0 GB. [2021-10-08 17:00:55,611 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 182.5 MB. Free memory is still 153.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 402.69 ms. Allocated memory is still 182.5 MB. Free memory was 156.0 MB in the beginning and 144.4 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 65.25 ms. Allocated memory is still 182.5 MB. Free memory was 144.2 MB in the beginning and 141.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 52.33 ms. Allocated memory is still 182.5 MB. Free memory was 141.3 MB in the beginning and 139.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 3639.70 ms. Allocated memory is still 182.5 MB. Free memory was 139.2 MB in the beginning and 64.7 MB in the end (delta: 74.5 MB). Peak memory consumption was 75.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 835810.11 ms. Allocated memory was 182.5 MB in the beginning and 239.1 MB in the end (delta: 56.6 MB). Free memory was 64.2 MB in the beginning and 124.7 MB in the end (delta: -60.5 MB). Peak memory consumption was 58.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 38539.8ms, 132 PlacesBefore, 43 PlacesAfterwards, 123 TransitionsBefore, 33 TransitionsAfterwards, 378 CoEnabledTransitionPairs, 7 FixpointIterations, 82 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 1 ChoiceCompositions, 119 TotalNumberOfCompositions, 656 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 656, positive: 656, positive conditional: 0, positive unconditional: 656, 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: 254, positive: 254, positive conditional: 0, positive unconditional: 254, 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: 254, positive: 254, positive conditional: 0, positive unconditional: 254, 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: 656, positive: 402, positive conditional: 0, positive unconditional: 402, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 254, unknown conditional: 0, unknown unconditional: 254] , 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 - TimeoutResultAtElement [Line: 100]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed Cancelled while BasicCegarLoop was analyzing trace of length 17 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 8 for 2ms.. - TimeoutResultAtElement [Line: 92]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 17 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 8 for 2ms.. - TimeoutResultAtElement [Line: 92]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 17 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 8 for 2ms.. - TimeoutResultAtElement [Line: 93]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 17 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 8 for 2ms.. - TimeoutResultAtElement [Line: 93]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 17 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 8 for 2ms.. - TimeoutResultAtElement [Line: 94]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 17 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 8 for 2ms.. - TimeoutResultAtElement [Line: 94]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 17 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 8 for 2ms.. - TimeoutResultAtElement [Line: 95]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 17 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 8 for 2ms.. - TimeoutResultAtElement [Line: 95]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 17 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 8 for 2ms.. - TimeoutResultAtElement [Line: 96]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 17 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 8 for 2ms.. - TimeoutResultAtElement [Line: 96]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 17 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 8 for 2ms.. - TimeoutResultAtElement [Line: 97]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 17 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 8 for 2ms.. - TimeoutResultAtElement [Line: 97]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 17 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 8 for 2ms.. - TimeoutResultAtElement [Line: 75]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed Cancelled while BasicCegarLoop was analyzing trace of length 17 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 8 for 2ms.. - TimeoutResultAtElement [Line: 92]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 17 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 8 for 2ms.. - TimeoutResultAtElement [Line: 94]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 17 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 8 for 2ms.. - TimeoutResultAtElement [Line: 93]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 17 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 8 for 2ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 138 locations, 17 error locations. Started 1 CEGAR loops. OverallTime: 835550.6ms, OverallIterations: 8, TraceHistogramMax: 1, EmptinessCheckTime: 12.6ms, AutomataDifference: 330.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 38621.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 100 SDtfs, 159 SDslu, 0 SDs, 0 SdLazy, 43 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 179.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 200.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=0, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 80.1ms AutomataMinimizationTime, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 75.7ms SsaConstructionTime, 178.3ms SatisfiabilityAnalysisTime, 3732.0ms InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 48 ConstructedInterpolants, 6 QuantifiedInterpolants, 568 SizeOfPredicates, 24 NumberOfNonLiveVariables, 271 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown