/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-node-subst.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-8c2bbc9 [2021-10-07 15:33:50,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-07 15:33:50,784 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-07 15:33:50,849 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-07 15:33:50,849 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-07 15:33:50,857 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-07 15:33:50,861 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-07 15:33:50,867 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-07 15:33:50,873 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-07 15:33:50,875 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-07 15:33:50,879 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-07 15:33:50,881 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-07 15:33:50,882 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-07 15:33:50,883 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-07 15:33:50,885 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-07 15:33:50,887 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-07 15:33:50,888 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-07 15:33:50,889 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-07 15:33:50,891 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-07 15:33:50,894 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-07 15:33:50,896 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-07 15:33:50,910 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-07 15:33:50,912 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-07 15:33:50,913 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-07 15:33:50,917 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-07 15:33:50,921 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-07 15:33:50,923 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-07 15:33:50,924 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-07 15:33:50,925 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-07 15:33:50,926 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-07 15:33:50,927 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-07 15:33:50,928 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-07 15:33:50,928 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-07 15:33:50,928 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-07 15:33:50,930 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-07 15:33:50,931 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-07 15:33:50,932 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-07 15:33:50,961 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-07 15:33:50,961 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-07 15:33:50,962 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-07 15:33:50,962 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-07 15:33:50,964 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-07 15:33:50,964 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-07 15:33:50,964 INFO L138 SettingsManager]: * Use SBE=true [2021-10-07 15:33:50,965 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-07 15:33:50,965 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-07 15:33:50,965 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-07 15:33:50,966 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-07 15:33:50,966 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-07 15:33:50,966 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-07 15:33:50,966 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-07 15:33:50,967 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-07 15:33:50,967 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-07 15:33:50,967 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-07 15:33:50,968 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-07 15:33:50,968 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-07 15:33:50,968 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-07 15:33:50,969 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-07 15:33:50,969 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-07 15:33:50,969 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-07 15:33:50,970 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-07 15:33:50,970 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-07 15:33:50,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-07 15:33:50,970 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-07 15:33:50,971 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-07 15:33:50,971 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-07 15:33:50,971 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-07 15:33:50,972 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-07 15:33:50,972 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-07 15:33:50,972 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-07 15:33:51,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-07 15:33:51,462 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-07 15:33:51,465 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-07 15:33:51,466 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-07 15:33:51,467 INFO L275 PluginConnector]: CDTParser initialized [2021-10-07 15:33:51,468 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-node-subst.wvr.c [2021-10-07 15:33:51,552 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a3c3e1588/d309362aadd14c52ae5e1d81f897fdf4/FLAGb3f571206 [2021-10-07 15:33:52,211 INFO L306 CDTParser]: Found 1 translation units. [2021-10-07 15:33:52,212 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl-node-subst.wvr.c [2021-10-07 15:33:52,222 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a3c3e1588/d309362aadd14c52ae5e1d81f897fdf4/FLAGb3f571206 [2021-10-07 15:33:52,563 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a3c3e1588/d309362aadd14c52ae5e1d81f897fdf4 [2021-10-07 15:33:52,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-07 15:33:52,577 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-07 15:33:52,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-07 15:33:52,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-07 15:33:52,585 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-07 15:33:52,586 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:33:52" (1/1) ... [2021-10-07 15:33:52,587 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a24c54d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:33:52, skipping insertion in model container [2021-10-07 15:33:52,588 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:33:52" (1/1) ... [2021-10-07 15:33:52,596 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-07 15:33:52,620 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-07 15:33:52,831 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-node-subst.wvr.c[3964,3977] [2021-10-07 15:33:52,857 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-07 15:33:52,883 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-07 15:33:52,903 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-07 15:33:52,945 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-node-subst.wvr.c[3964,3977] [2021-10-07 15:33:52,952 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-07 15:33:52,962 INFO L203 MainTranslator]: Completed pre-run [2021-10-07 15:33:52,998 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-node-subst.wvr.c[3964,3977] [2021-10-07 15:33:53,005 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-07 15:33:53,035 INFO L208 MainTranslator]: Completed translation [2021-10-07 15:33:53,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:33:53 WrapperNode [2021-10-07 15:33:53,036 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-07 15:33:53,037 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-07 15:33:53,037 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-07 15:33:53,038 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-07 15:33:53,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:33:53" (1/1) ... [2021-10-07 15:33:53,085 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:33:53" (1/1) ... [2021-10-07 15:33:53,152 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-07 15:33:53,157 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-07 15:33:53,157 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-07 15:33:53,158 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-07 15:33:53,169 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:33:53" (1/1) ... [2021-10-07 15:33:53,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:33:53" (1/1) ... [2021-10-07 15:33:53,189 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:33:53" (1/1) ... [2021-10-07 15:33:53,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:33:53" (1/1) ... [2021-10-07 15:33:53,225 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:33:53" (1/1) ... [2021-10-07 15:33:53,240 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:33:53" (1/1) ... [2021-10-07 15:33:53,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:33:53" (1/1) ... [2021-10-07 15:33:53,259 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-07 15:33:53,261 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-07 15:33:53,261 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-07 15:33:53,261 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-07 15:33:53,267 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:33:53" (1/1) ... [2021-10-07 15:33:53,285 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-07 15:33:53,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-07 15:33:53,325 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-07 15:33:53,338 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-07 15:33:53,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-10-07 15:33:53,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-07 15:33:53,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-07 15:33:53,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-07 15:33:53,395 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-07 15:33:53,396 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-07 15:33:53,398 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-07 15:33:53,398 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-07 15:33:53,398 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-07 15:33:53,399 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-07 15:33:53,399 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-07 15:33:53,399 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-07 15:33:53,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-07 15:33:53,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-07 15:33:53,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-07 15:33:53,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-10-07 15:33:53,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-07 15:33:53,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-07 15:33:53,403 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-07 15:34:01,412 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-07 15:34:01,412 INFO L299 CfgBuilder]: Removed 48 assume(true) statements. [2021-10-07 15:34:01,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:34:01 BoogieIcfgContainer [2021-10-07 15:34:01,416 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-07 15:34:01,418 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-07 15:34:01,418 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-07 15:34:01,421 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-07 15:34:01,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:33:52" (1/3) ... [2021-10-07 15:34:01,423 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e04712d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:34:01, skipping insertion in model container [2021-10-07 15:34:01,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:33:53" (2/3) ... [2021-10-07 15:34:01,423 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e04712d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:34:01, skipping insertion in model container [2021-10-07 15:34:01,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:34:01" (3/3) ... [2021-10-07 15:34:01,425 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-node-subst.wvr.c [2021-10-07 15:34:01,431 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-07 15:34:01,432 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 62 error locations. [2021-10-07 15:34:01,432 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-07 15:34:01,481 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,482 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,482 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,482 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,483 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,483 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,483 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,483 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,484 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,484 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,484 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,484 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,484 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,485 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,485 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,485 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,485 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,486 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,486 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,486 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,486 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,486 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,487 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,487 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,487 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,487 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,487 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,488 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,488 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,488 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,488 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,488 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,489 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,489 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,489 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,489 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,489 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,489 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,490 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,490 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,490 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,490 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,490 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,490 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,491 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,491 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,491 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,491 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,491 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,492 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,492 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,492 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,492 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,492 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,492 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,493 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,493 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,493 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,493 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,493 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,493 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,494 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,494 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,494 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,494 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,494 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,495 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,495 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,495 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,495 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,495 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,495 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,496 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,496 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,496 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,496 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,496 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,497 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,497 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,497 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,497 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,497 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,497 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,498 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,499 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,499 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,499 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,499 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,499 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,500 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,500 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,500 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,500 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,500 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,500 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,500 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,502 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,502 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,502 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,503 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,503 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,504 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,504 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,504 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,504 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,504 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,505 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,505 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,505 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,505 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,506 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,506 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,506 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,506 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,506 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,506 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,507 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,507 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,507 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,507 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,508 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,508 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,508 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,508 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,508 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,509 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,509 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,509 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,509 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,509 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,510 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,510 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,510 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,510 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,510 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,510 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,510 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,511 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,511 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,511 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,511 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,511 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,511 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,511 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,512 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,512 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,512 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,512 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,512 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,512 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,513 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,513 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,513 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,513 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,513 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,513 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,513 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,514 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,514 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,514 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,514 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,514 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,514 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,514 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,515 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,515 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,515 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,515 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,515 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,515 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,516 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,516 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,516 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,516 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,516 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,516 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,517 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,517 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,517 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,517 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,517 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,517 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,517 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,518 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,518 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,518 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,519 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,519 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,519 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,519 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,520 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,520 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,520 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,520 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,520 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,520 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,520 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,520 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,521 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,521 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,522 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,522 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,523 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,523 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,523 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,524 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,524 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,524 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,525 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,525 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,525 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,525 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,525 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,526 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,526 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,526 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,526 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,526 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,527 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~short27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,527 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,527 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,527 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,528 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~short27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,528 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,528 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,528 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,528 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~short27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,528 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,529 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,529 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,529 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~short27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,529 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,530 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,530 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,530 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,530 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~short27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,530 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,530 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,530 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,531 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,531 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~short27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,531 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,531 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,531 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,531 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,532 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~short27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,532 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,532 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,532 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,532 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,532 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~short27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,532 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,533 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,533 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,533 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,533 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,533 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~short27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,533 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,534 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,534 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,534 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,534 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,534 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~short27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,534 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,534 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,535 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,535 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,535 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,535 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~short27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,535 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,535 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,535 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,536 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,536 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,536 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~short27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,536 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,536 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,536 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,536 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,537 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,537 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,537 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,537 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,537 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,537 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,537 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,538 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,538 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~short27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,539 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,539 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,539 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,539 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,539 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,540 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,540 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,540 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,540 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,540 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,540 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,540 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~short27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,541 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,542 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,542 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,542 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,545 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,546 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,546 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,546 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,546 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,547 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,547 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,547 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,547 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,547 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,547 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,548 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,550 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,550 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,551 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,551 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,551 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,551 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,551 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,552 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,552 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,552 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,552 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,552 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,554 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,554 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,554 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,555 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,555 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,555 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,555 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,555 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,555 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~short27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,556 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,556 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,556 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:01,562 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-07 15:34:01,615 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-07 15:34:01,622 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-07 15:34:01,622 INFO L340 AbstractCegarLoop]: Starting to check reachability of 101 error locations. [2021-10-07 15:34:01,647 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-07 15:34:01,660 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 351 places, 366 transitions, 756 flow [2021-10-07 15:34:01,663 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 351 places, 366 transitions, 756 flow [2021-10-07 15:34:01,665 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 351 places, 366 transitions, 756 flow [2021-10-07 15:34:01,876 INFO L129 PetriNetUnfolder]: 25/363 cut-off events. [2021-10-07 15:34:01,876 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-10-07 15:34:01,882 INFO L84 FinitePrefix]: Finished finitePrefix Result has 376 conditions, 363 events. 25/363 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 417 event pairs, 0 based on Foata normal form. 0/276 useless extension candidates. Maximal degree in co-relation 314. Up to 2 conditions per place. [2021-10-07 15:34:01,892 INFO L116 LiptonReduction]: Number of co-enabled transitions 2970 [2021-10-07 15:35:30,417 INFO L131 LiptonReduction]: Checked pairs total: 4136 [2021-10-07 15:35:30,417 INFO L133 LiptonReduction]: Total number of compositions: 364 [2021-10-07 15:35:30,429 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 97 places, 93 transitions, 210 flow [2021-10-07 15:35:30,908 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 12681 states, 5347 states have (on average 8.141948756311951) internal successors, (43535), 12680 states have internal predecessors, (43535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:35:30,962 INFO L276 IsEmpty]: Start isEmpty. Operand has 12681 states, 5347 states have (on average 8.141948756311951) internal successors, (43535), 12680 states have internal predecessors, (43535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:35:30,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-07 15:35:30,968 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:35:30,969 INFO L512 BasicCegarLoop]: trace histogram [1, 1] [2021-10-07 15:35:30,970 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 97 more)] === [2021-10-07 15:35:30,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:35:30,978 INFO L82 PathProgramCache]: Analyzing trace with hash 51813, now seen corresponding path program 1 times [2021-10-07 15:35:30,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:35:30,993 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1308831695] [2021-10-07 15:35:30,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:35:30,994 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:35:30,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:35:31,003 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 15:35:31,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-07 15:35:31,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:35:31,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-07 15:35:31,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:35:31,332 INFO L354 Elim1Store]: treesize reduction 84, result has 22.9 percent of original size [2021-10-07 15:35:31,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 15 treesize of output 30 [2021-10-07 15:35:31,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:35:31,386 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:35:31,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:35:31,395 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:35:31,395 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1308831695] [2021-10-07 15:35:31,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1308831695] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-07 15:35:31,396 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:35:31,397 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 1 [2021-10-07 15:35:31,399 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544877094] [2021-10-07 15:35:31,404 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-07 15:35:31,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:35:31,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-07 15:35:31,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-07 15:35:31,496 INFO L87 Difference]: Start difference. First operand has 12681 states, 5347 states have (on average 8.141948756311951) internal successors, (43535), 12680 states have internal predecessors, (43535), 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 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:35:32,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:35:32,754 INFO L93 Difference]: Finished difference Result 4901 states and 16219 transitions. [2021-10-07 15:35:32,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-07 15:35:32,756 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 2 [2021-10-07 15:35:32,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:35:32,842 INFO L225 Difference]: With dead ends: 4901 [2021-10-07 15:35:32,843 INFO L226 Difference]: Without dead ends: 4901 [2021-10-07 15:35:32,844 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-07 15:35:32,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4901 states. [2021-10-07 15:35:33,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4901 to 4901. [2021-10-07 15:35:33,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4901 states, 2343 states have (on average 6.922321809645753) internal successors, (16219), 4900 states have internal predecessors, (16219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:35:33,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4901 states to 4901 states and 16219 transitions. [2021-10-07 15:35:33,179 INFO L78 Accepts]: Start accepts. Automaton has 4901 states and 16219 transitions. Word has length 2 [2021-10-07 15:35:33,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:35:33,180 INFO L470 AbstractCegarLoop]: Abstraction has 4901 states and 16219 transitions. [2021-10-07 15:35:33,181 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:35:33,181 INFO L276 IsEmpty]: Start isEmpty. Operand 4901 states and 16219 transitions. [2021-10-07 15:35:33,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-07 15:35:33,181 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:35:33,181 INFO L512 BasicCegarLoop]: trace histogram [1, 1] [2021-10-07 15:35:33,196 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-07 15:35:33,396 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-07 15:35:33,397 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 97 more)] === [2021-10-07 15:35:33,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:35:33,398 INFO L82 PathProgramCache]: Analyzing trace with hash 51814, now seen corresponding path program 1 times [2021-10-07 15:35:33,400 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:35:33,400 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [681840352] [2021-10-07 15:35:33,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:35:33,400 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:35:33,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:35:33,404 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 15:35:33,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-07 15:35:33,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:35:33,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-07 15:35:33,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:35:33,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-07 15:35:33,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-07 15:35:33,987 INFO L354 Elim1Store]: treesize reduction 229, result has 22.6 percent of original size [2021-10-07 15:35:33,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 23 treesize of output 74 [2021-10-07 15:35:34,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:35:34,093 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:35:34,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:35:34,206 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:35:34,206 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [681840352] [2021-10-07 15:35:34,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [681840352] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-07 15:35:34,207 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:35:34,207 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 2 [2021-10-07 15:35:34,207 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619188749] [2021-10-07 15:35:34,209 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-07 15:35:34,209 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:35:34,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-07 15:35:34,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-07 15:35:34,210 INFO L87 Difference]: Start difference. First operand 4901 states and 16219 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:35:35,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:35:35,992 INFO L93 Difference]: Finished difference Result 4907 states and 16231 transitions. [2021-10-07 15:35:35,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-07 15:35:35,994 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 2 [2021-10-07 15:35:35,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:35:36,050 INFO L225 Difference]: With dead ends: 4907 [2021-10-07 15:35:36,051 INFO L226 Difference]: Without dead ends: 4907 [2021-10-07 15:35:36,052 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 89.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-07 15:35:36,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4907 states. [2021-10-07 15:35:36,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4907 to 4907. [2021-10-07 15:35:36,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4907 states, 2349 states have (on average 6.909748829289059) internal successors, (16231), 4906 states have internal predecessors, (16231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:35:36,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4907 states to 4907 states and 16231 transitions. [2021-10-07 15:35:36,331 INFO L78 Accepts]: Start accepts. Automaton has 4907 states and 16231 transitions. Word has length 2 [2021-10-07 15:35:36,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:35:36,332 INFO L470 AbstractCegarLoop]: Abstraction has 4907 states and 16231 transitions. [2021-10-07 15:35:36,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:35:36,332 INFO L276 IsEmpty]: Start isEmpty. Operand 4907 states and 16231 transitions. [2021-10-07 15:35:36,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-07 15:35:36,333 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:35:36,333 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1] [2021-10-07 15:35:36,348 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-07 15:35:36,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-07 15:35:36,547 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 97 more)] === [2021-10-07 15:35:36,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:35:36,550 INFO L82 PathProgramCache]: Analyzing trace with hash 49975206, now seen corresponding path program 1 times [2021-10-07 15:35:36,550 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:35:36,550 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [971437204] [2021-10-07 15:35:36,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:35:36,551 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:35:36,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:35:36,552 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 15:35:36,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-07 15:35:36,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:35:36,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-07 15:35:36,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:35:36,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-07 15:35:36,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-07 15:35:37,041 INFO L354 Elim1Store]: treesize reduction 229, result has 22.6 percent of original size [2021-10-07 15:35:37,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 23 treesize of output 74 [2021-10-07 15:35:37,270 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:35:37,270 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:35:37,903 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:35:37,904 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:35:37,904 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [971437204] [2021-10-07 15:35:37,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [971437204] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-07 15:35:37,905 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-07 15:35:37,905 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 6 [2021-10-07 15:35:37,907 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591670110] [2021-10-07 15:35:37,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-07 15:35:37,907 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:35:37,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-07 15:35:37,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-07 15:35:37,909 INFO L87 Difference]: Start difference. First operand 4907 states and 16231 transitions. Second operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:35:47,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:35:47,037 INFO L93 Difference]: Finished difference Result 4922 states and 16259 transitions. [2021-10-07 15:35:47,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-07 15:35:47,039 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-10-07 15:35:47,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:35:47,087 INFO L225 Difference]: With dead ends: 4922 [2021-10-07 15:35:47,087 INFO L226 Difference]: Without dead ends: 4922 [2021-10-07 15:35:47,088 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 910.4ms TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-10-07 15:35:47,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4922 states. [2021-10-07 15:35:47,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4922 to 4919. [2021-10-07 15:35:47,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4919 states, 2361 states have (on average 6.884794578568403) internal successors, (16255), 4918 states have internal predecessors, (16255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:35:47,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4919 states to 4919 states and 16255 transitions. [2021-10-07 15:35:47,334 INFO L78 Accepts]: Start accepts. Automaton has 4919 states and 16255 transitions. Word has length 4 [2021-10-07 15:35:47,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:35:47,335 INFO L470 AbstractCegarLoop]: Abstraction has 4919 states and 16255 transitions. [2021-10-07 15:35:47,335 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:35:47,335 INFO L276 IsEmpty]: Start isEmpty. Operand 4919 states and 16255 transitions. [2021-10-07 15:35:47,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-07 15:35:47,336 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:35:47,336 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-07 15:35:47,353 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-07 15:35:47,549 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-07 15:35:47,549 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 97 more)] === [2021-10-07 15:35:47,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:35:47,550 INFO L82 PathProgramCache]: Analyzing trace with hash 1551571671, now seen corresponding path program 1 times [2021-10-07 15:35:47,551 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:35:47,551 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [347592983] [2021-10-07 15:35:47,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:35:47,551 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:35:47,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:35:47,567 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 15:35:47,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-07 15:35:47,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:35:47,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-07 15:35:47,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:35:47,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-07 15:35:47,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:35:47,725 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:35:47,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:35:47,739 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:35:47,740 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [347592983] [2021-10-07 15:35:47,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [347592983] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-07 15:35:47,740 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:35:47,740 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-07 15:35:47,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066543267] [2021-10-07 15:35:47,741 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-07 15:35:47,741 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:35:47,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-07 15:35:47,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-07 15:35:47,742 INFO L87 Difference]: Start difference. First operand 4919 states and 16255 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:35:48,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:35:48,756 INFO L93 Difference]: Finished difference Result 4916 states and 16252 transitions. [2021-10-07 15:35:48,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-07 15:35:48,757 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2021-10-07 15:35:48,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:35:48,789 INFO L225 Difference]: With dead ends: 4916 [2021-10-07 15:35:48,789 INFO L226 Difference]: Without dead ends: 4916 [2021-10-07 15:35:48,790 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-07 15:35:48,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4916 states. [2021-10-07 15:35:49,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4916 to 4916. [2021-10-07 15:35:49,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4916 states, 2361 states have (on average 6.8835239305379075) internal successors, (16252), 4915 states have internal predecessors, (16252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:35:49,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4916 states to 4916 states and 16252 transitions. [2021-10-07 15:35:49,065 INFO L78 Accepts]: Start accepts. Automaton has 4916 states and 16252 transitions. Word has length 5 [2021-10-07 15:35:49,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:35:49,065 INFO L470 AbstractCegarLoop]: Abstraction has 4916 states and 16252 transitions. [2021-10-07 15:35:49,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:35:49,066 INFO L276 IsEmpty]: Start isEmpty. Operand 4916 states and 16252 transitions. [2021-10-07 15:35:49,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-07 15:35:49,067 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:35:49,110 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-07 15:35:49,123 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-10-07 15:35:49,310 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-07 15:35:49,311 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 97 more)] === [2021-10-07 15:35:49,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:35:49,311 INFO L82 PathProgramCache]: Analyzing trace with hash 1551571672, now seen corresponding path program 1 times [2021-10-07 15:35:49,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:35:49,312 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [463050427] [2021-10-07 15:35:49,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:35:49,312 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:35:49,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:35:49,320 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 15:35:49,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-07 15:35:49,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:35:49,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-07 15:35:49,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:35:49,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-07 15:35:49,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:35:49,490 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:35:49,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:35:49,642 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:35:49,643 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [463050427] [2021-10-07 15:35:49,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [463050427] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-07 15:35:49,643 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:35:49,643 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 4 [2021-10-07 15:35:49,644 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823840798] [2021-10-07 15:35:49,644 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-07 15:35:49,644 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:35:49,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-07 15:35:49,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-07 15:35:49,645 INFO L87 Difference]: Start difference. First operand 4916 states and 16252 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:35:51,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:35:51,236 INFO L93 Difference]: Finished difference Result 4920 states and 16262 transitions. [2021-10-07 15:35:51,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-07 15:35:51,238 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2021-10-07 15:35:51,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:35:51,269 INFO L225 Difference]: With dead ends: 4920 [2021-10-07 15:35:51,269 INFO L226 Difference]: Without dead ends: 4920 [2021-10-07 15:35:51,270 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 202.7ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-10-07 15:35:51,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4920 states. [2021-10-07 15:35:51,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4920 to 4920. [2021-10-07 15:35:51,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4920 states, 2365 states have (on average 6.876109936575053) internal successors, (16262), 4919 states have internal predecessors, (16262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:35:51,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4920 states to 4920 states and 16262 transitions. [2021-10-07 15:35:51,505 INFO L78 Accepts]: Start accepts. Automaton has 4920 states and 16262 transitions. Word has length 5 [2021-10-07 15:35:51,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:35:51,505 INFO L470 AbstractCegarLoop]: Abstraction has 4920 states and 16262 transitions. [2021-10-07 15:35:51,506 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:35:51,506 INFO L276 IsEmpty]: Start isEmpty. Operand 4920 states and 16262 transitions. [2021-10-07 15:35:51,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-07 15:35:51,506 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:35:51,507 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2021-10-07 15:35:51,529 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-07 15:35:51,723 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-07 15:35:51,723 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 97 more)] === [2021-10-07 15:35:51,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:35:51,723 INFO L82 PathProgramCache]: Analyzing trace with hash 707014840, now seen corresponding path program 1 times [2021-10-07 15:35:51,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:35:51,724 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1551905412] [2021-10-07 15:35:51,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:35:51,725 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:35:51,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:35:51,727 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 15:35:51,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-07 15:35:51,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:35:51,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-07 15:35:51,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:35:51,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-07 15:35:52,009 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:35:52,009 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:35:52,774 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:35:52,775 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:35:52,775 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1551905412] [2021-10-07 15:35:52,775 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1551905412] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-07 15:35:52,775 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-07 15:35:52,776 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-10-07 15:35:52,776 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763078521] [2021-10-07 15:35:52,776 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-07 15:35:52,776 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:35:52,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-07 15:35:52,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-07 15:35:52,777 INFO L87 Difference]: Start difference. First operand 4920 states and 16262 transitions. Second operand has 9 states, 8 states have (on average 1.75) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:36:04,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:36:04,953 INFO L93 Difference]: Finished difference Result 9812 states and 32473 transitions. [2021-10-07 15:36:04,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-07 15:36:04,955 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.75) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-10-07 15:36:04,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:36:05,036 INFO L225 Difference]: With dead ends: 9812 [2021-10-07 15:36:05,037 INFO L226 Difference]: Without dead ends: 9812 [2021-10-07 15:36:05,037 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1323.1ms TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2021-10-07 15:36:05,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9812 states. [2021-10-07 15:36:05,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9812 to 4927. [2021-10-07 15:36:05,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4927 states, 2372 states have (on average 6.86256323777403) internal successors, (16278), 4926 states have internal predecessors, (16278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:36:05,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4927 states to 4927 states and 16278 transitions. [2021-10-07 15:36:05,394 INFO L78 Accepts]: Start accepts. Automaton has 4927 states and 16278 transitions. Word has length 7 [2021-10-07 15:36:05,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:36:05,395 INFO L470 AbstractCegarLoop]: Abstraction has 4927 states and 16278 transitions. [2021-10-07 15:36:05,396 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.75) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:36:05,396 INFO L276 IsEmpty]: Start isEmpty. Operand 4927 states and 16278 transitions. [2021-10-07 15:36:05,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-07 15:36:05,397 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:36:05,397 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-07 15:36:05,410 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-07 15:36:05,610 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-07 15:36:05,611 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr12REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 97 more)] === [2021-10-07 15:36:05,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:36:05,612 INFO L82 PathProgramCache]: Analyzing trace with hash 707113256, now seen corresponding path program 1 times [2021-10-07 15:36:05,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:36:05,614 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [924614038] [2021-10-07 15:36:05,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:36:05,614 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:36:05,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:36:05,615 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 15:36:05,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-07 15:36:05,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:36:05,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-07 15:36:05,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:36:05,981 INFO L354 Elim1Store]: treesize reduction 92, result has 21.4 percent of original size [2021-10-07 15:36:05,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 56 [2021-10-07 15:36:06,207 INFO L354 Elim1Store]: treesize reduction 92, result has 26.4 percent of original size [2021-10-07 15:36:06,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 58 treesize of output 81 [2021-10-07 15:36:06,529 INFO L354 Elim1Store]: treesize reduction 92, result has 26.4 percent of original size [2021-10-07 15:36:06,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 59 treesize of output 82 [2021-10-07 15:36:06,780 INFO L354 Elim1Store]: treesize reduction 92, result has 26.4 percent of original size [2021-10-07 15:36:06,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 61 treesize of output 84 [2021-10-07 15:36:07,086 INFO L354 Elim1Store]: treesize reduction 92, result has 26.4 percent of original size [2021-10-07 15:36:07,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 59 treesize of output 82 [2021-10-07 15:36:07,354 INFO L354 Elim1Store]: treesize reduction 92, result has 26.4 percent of original size [2021-10-07 15:36:07,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 65 treesize of output 88 [2021-10-07 15:36:07,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:36:07,639 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:36:07,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:36:07,974 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:36:07,974 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [924614038] [2021-10-07 15:36:07,975 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [924614038] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-07 15:36:07,975 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:36:07,975 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 4 [2021-10-07 15:36:07,975 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026326154] [2021-10-07 15:36:07,976 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-07 15:36:07,977 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:36:07,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-07 15:36:07,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-07 15:36:07,978 INFO L87 Difference]: Start difference. First operand 4927 states and 16278 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:36:10,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:36:10,036 INFO L93 Difference]: Finished difference Result 3926 states and 12575 transitions. [2021-10-07 15:36:10,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-07 15:36:10,037 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-10-07 15:36:10,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:36:10,060 INFO L225 Difference]: With dead ends: 3926 [2021-10-07 15:36:10,061 INFO L226 Difference]: Without dead ends: 3926 [2021-10-07 15:36:10,061 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 8 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 414.7ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-07 15:36:10,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3926 states. [2021-10-07 15:36:10,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3926 to 3926. [2021-10-07 15:36:10,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3926 states, 2101 states have (on average 5.985245121370776) internal successors, (12575), 3925 states have internal predecessors, (12575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:36:10,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3926 states to 3926 states and 12575 transitions. [2021-10-07 15:36:10,199 INFO L78 Accepts]: Start accepts. Automaton has 3926 states and 12575 transitions. Word has length 7 [2021-10-07 15:36:10,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:36:10,199 INFO L470 AbstractCegarLoop]: Abstraction has 3926 states and 12575 transitions. [2021-10-07 15:36:10,200 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:36:10,200 INFO L276 IsEmpty]: Start isEmpty. Operand 3926 states and 12575 transitions. [2021-10-07 15:36:10,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-07 15:36:10,200 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:36:10,201 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-07 15:36:10,215 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-07 15:36:10,415 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-07 15:36:10,416 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 97 more)] === [2021-10-07 15:36:10,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:36:10,416 INFO L82 PathProgramCache]: Analyzing trace with hash 707113258, now seen corresponding path program 1 times [2021-10-07 15:36:10,417 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:36:10,418 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1672175457] [2021-10-07 15:36:10,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:36:10,418 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:36:10,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:36:10,419 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 15:36:10,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-07 15:36:10,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:36:10,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 23 conjunts are in the unsatisfiable core [2021-10-07 15:36:10,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:36:11,098 INFO L354 Elim1Store]: treesize reduction 233, result has 21.3 percent of original size [2021-10-07 15:36:11,098 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 5 case distinctions, treesize of input 51 treesize of output 97 [2021-10-07 15:36:11,109 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-07 15:36:11,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 100 treesize of output 96 [2021-10-07 15:36:12,891 INFO L354 Elim1Store]: treesize reduction 84, result has 36.8 percent of original size [2021-10-07 15:36:12,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 63 treesize of output 102 [2021-10-07 15:36:12,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 99 [2021-10-07 15:36:21,133 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:36:21,134 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1672175457] [2021-10-07 15:36:21,134 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Alternating quantifiers not yet supported [2021-10-07 15:36:21,135 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1506519551] [2021-10-07 15:36:21,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:36:21,135 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-07 15:36:21,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 [2021-10-07 15:36:21,136 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-07 15:36:21,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2021-10-07 15:36:21,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:36:21,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-07 15:36:21,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:36:21,855 INFO L354 Elim1Store]: treesize reduction 233, result has 21.3 percent of original size [2021-10-07 15:36:21,856 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 5 case distinctions, treesize of input 51 treesize of output 97 [2021-10-07 15:36:21,868 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-07 15:36:21,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 100 treesize of output 96 [2021-10-07 15:36:23,463 INFO L354 Elim1Store]: treesize reduction 84, result has 36.8 percent of original size [2021-10-07 15:36:23,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 57 treesize of output 96 [2021-10-07 15:36:37,159 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Alternating quantifiers not yet supported [2021-10-07 15:36:37,160 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [903703862] [2021-10-07 15:36:37,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:36:37,160 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-07 15:36:37,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-07 15:36:37,169 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-07 15:36:37,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-10-07 15:36:37,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:36:37,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 21 conjunts are in the unsatisfiable core [2021-10-07 15:36:37,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:36:37,635 INFO L354 Elim1Store]: treesize reduction 241, result has 18.6 percent of original size [2021-10-07 15:36:37,635 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 5 case distinctions, treesize of input 81 treesize of output 119 [2021-10-07 15:36:37,717 INFO L354 Elim1Store]: treesize reduction 108, result has 18.8 percent of original size [2021-10-07 15:36:37,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 8 case distinctions, treesize of input 125 treesize of output 133 [2021-10-07 15:36:38,249 INFO L354 Elim1Store]: treesize reduction 112, result has 15.8 percent of original size [2021-10-07 15:36:38,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 104 treesize of output 115 [2021-10-07 15:36:38,379 INFO L354 Elim1Store]: treesize reduction 108, result has 31.2 percent of original size [2021-10-07 15:36:38,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 103 treesize of output 140 [2021-10-07 15:36:39,358 INFO L354 Elim1Store]: treesize reduction 160, result has 14.0 percent of original size [2021-10-07 15:36:39,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 166 treesize of output 180 [2021-10-07 15:36:39,530 INFO L354 Elim1Store]: treesize reduction 155, result has 28.2 percent of original size [2021-10-07 15:36:39,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 20 case distinctions, treesize of input 165 treesize of output 212 [2021-10-07 15:36:41,217 INFO L354 Elim1Store]: treesize reduction 204, result has 13.2 percent of original size [2021-10-07 15:36:41,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 221 treesize of output 238 [2021-10-07 15:36:41,473 INFO L354 Elim1Store]: treesize reduction 210, result has 25.8 percent of original size [2021-10-07 15:36:41,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 27 case distinctions, treesize of input 215 treesize of output 272 [2021-10-07 15:36:44,524 INFO L354 Elim1Store]: treesize reduction 204, result has 13.2 percent of original size [2021-10-07 15:36:44,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 283 treesize of output 300 [2021-10-07 15:36:44,876 INFO L354 Elim1Store]: treesize reduction 273, result has 23.7 percent of original size [2021-10-07 15:36:44,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 35 case distinctions, treesize of input 277 treesize of output 344 [2021-10-07 15:36:50,383 INFO L354 Elim1Store]: treesize reduction 204, result has 13.2 percent of original size [2021-10-07 15:36:50,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 341 treesize of output 358 [2021-10-07 15:36:50,591 INFO L354 Elim1Store]: treesize reduction 256, result has 11.4 percent of original size [2021-10-07 15:36:50,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 335 treesize of output 349 [2021-10-07 15:36:55,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:36:55,746 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:37:28,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:37:28,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [903703862] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-07 15:37:28,573 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:37:28,573 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 12 [2021-10-07 15:37:28,573 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588897338] [2021-10-07 15:37:28,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-07 15:37:28,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:37:28,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-07 15:37:28,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=170, Unknown=15, NotChecked=0, Total=272 [2021-10-07 15:37:28,575 INFO L87 Difference]: Start difference. First operand 3926 states and 12575 transitions. Second operand has 14 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 13 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:37:46,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:37:46,299 INFO L93 Difference]: Finished difference Result 2925 states and 8872 transitions. [2021-10-07 15:37:46,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-07 15:37:46,301 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 13 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-10-07 15:37:46,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:37:46,314 INFO L225 Difference]: With dead ends: 2925 [2021-10-07 15:37:46,315 INFO L226 Difference]: Without dead ends: 2925 [2021-10-07 15:37:46,315 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 36078.3ms TimeCoverageRelationStatistics Valid=87, Invalid=170, Unknown=15, NotChecked=0, Total=272 [2021-10-07 15:37:46,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2925 states. [2021-10-07 15:37:46,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2925 to 2925. [2021-10-07 15:37:46,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2925 states, 1830 states have (on average 4.8480874316939895) internal successors, (8872), 2924 states have internal predecessors, (8872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:37:46,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2925 states to 2925 states and 8872 transitions. [2021-10-07 15:37:46,452 INFO L78 Accepts]: Start accepts. Automaton has 2925 states and 8872 transitions. Word has length 7 [2021-10-07 15:37:46,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:37:46,453 INFO L470 AbstractCegarLoop]: Abstraction has 2925 states and 8872 transitions. [2021-10-07 15:37:46,453 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 13 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:37:46,453 INFO L276 IsEmpty]: Start isEmpty. Operand 2925 states and 8872 transitions. [2021-10-07 15:37:46,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-07 15:37:46,455 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:37:46,455 INFO L512 BasicCegarLoop]: trace histogram [6, 1, 1] [2021-10-07 15:37:46,509 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-10-07 15:37:46,660 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2021-10-07 15:37:46,868 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-07 15:37:47,056 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,10 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt,9 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-07 15:37:47,057 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 97 more)] === [2021-10-07 15:37:47,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:37:47,060 INFO L82 PathProgramCache]: Analyzing trace with hash -391304666, now seen corresponding path program 2 times [2021-10-07 15:37:47,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:37:47,061 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1603262449] [2021-10-07 15:37:47,061 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-07 15:37:47,061 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:37:47,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:37:47,062 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 15:37:47,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-07 15:37:47,247 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-07 15:37:47,247 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-07 15:37:47,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-07 15:37:47,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:37:47,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-07 15:37:47,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-07 15:37:47,540 INFO L354 Elim1Store]: treesize reduction 229, result has 22.6 percent of original size [2021-10-07 15:37:47,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 23 treesize of output 74 [2021-10-07 15:37:47,879 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:37:47,879 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:37:49,566 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:37:49,567 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:37:49,567 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1603262449] [2021-10-07 15:37:49,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1603262449] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-07 15:37:49,567 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-07 15:37:49,567 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-10-07 15:37:49,567 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027845173] [2021-10-07 15:37:49,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-07 15:37:49,568 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:37:49,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-07 15:37:49,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2021-10-07 15:37:49,569 INFO L87 Difference]: Start difference. First operand 2925 states and 8872 transitions. Second operand has 16 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:38:23,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:38:23,408 INFO L93 Difference]: Finished difference Result 2947 states and 8915 transitions. [2021-10-07 15:38:23,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-07 15:38:23,410 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 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 8 [2021-10-07 15:38:23,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:38:23,424 INFO L225 Difference]: With dead ends: 2947 [2021-10-07 15:38:23,425 INFO L226 Difference]: Without dead ends: 2947 [2021-10-07 15:38:23,425 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 6227.0ms TimeCoverageRelationStatistics Valid=174, Invalid=288, Unknown=0, NotChecked=0, Total=462 [2021-10-07 15:38:23,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2947 states. [2021-10-07 15:38:23,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2947 to 2939. [2021-10-07 15:38:23,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2939 states, 1844 states have (on average 4.8264642082429505) internal successors, (8900), 2938 states have internal predecessors, (8900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:38:23,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2939 states to 2939 states and 8900 transitions. [2021-10-07 15:38:23,537 INFO L78 Accepts]: Start accepts. Automaton has 2939 states and 8900 transitions. Word has length 8 [2021-10-07 15:38:23,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:38:23,538 INFO L470 AbstractCegarLoop]: Abstraction has 2939 states and 8900 transitions. [2021-10-07 15:38:23,538 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:38:23,538 INFO L276 IsEmpty]: Start isEmpty. Operand 2939 states and 8900 transitions. [2021-10-07 15:38:23,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-07 15:38:23,540 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:38:23,540 INFO L512 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1] [2021-10-07 15:38:23,556 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-07 15:38:23,753 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-07 15:38:23,754 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 97 more)] === [2021-10-07 15:38:23,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:38:23,755 INFO L82 PathProgramCache]: Analyzing trace with hash 928916508, now seen corresponding path program 1 times [2021-10-07 15:38:23,755 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:38:23,755 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2093573520] [2021-10-07 15:38:23,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:38:23,756 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:38:23,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:38:23,759 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 15:38:23,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-10-07 15:38:23,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:38:23,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 18 conjunts are in the unsatisfiable core [2021-10-07 15:38:23,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:38:24,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-07 15:38:24,200 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:38:24,200 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:38:25,195 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:38:25,195 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:38:25,195 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2093573520] [2021-10-07 15:38:25,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2093573520] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-07 15:38:25,196 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-07 15:38:25,196 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2021-10-07 15:38:25,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498270770] [2021-10-07 15:38:25,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-07 15:38:25,196 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:38:25,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-07 15:38:25,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-10-07 15:38:25,197 INFO L87 Difference]: Start difference. First operand 2939 states and 8900 transitions. Second operand has 11 states, 10 states have (on average 1.7) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:38:46,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:38:46,099 INFO L93 Difference]: Finished difference Result 8711 states and 26502 transitions. [2021-10-07 15:38:46,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-07 15:38:46,101 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.7) internal successors, (17), 11 states have internal predecessors, (17), 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 9 [2021-10-07 15:38:46,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:38:46,140 INFO L225 Difference]: With dead ends: 8711 [2021-10-07 15:38:46,140 INFO L226 Difference]: Without dead ends: 8711 [2021-10-07 15:38:46,140 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 2136.1ms TimeCoverageRelationStatistics Valid=111, Invalid=231, Unknown=0, NotChecked=0, Total=342 [2021-10-07 15:38:46,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8711 states. [2021-10-07 15:38:46,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8711 to 2945. [2021-10-07 15:38:46,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2945 states, 1850 states have (on average 4.817297297297297) internal successors, (8912), 2944 states have internal predecessors, (8912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:38:46,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2945 states to 2945 states and 8912 transitions. [2021-10-07 15:38:46,414 INFO L78 Accepts]: Start accepts. Automaton has 2945 states and 8912 transitions. Word has length 9 [2021-10-07 15:38:46,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:38:46,414 INFO L470 AbstractCegarLoop]: Abstraction has 2945 states and 8912 transitions. [2021-10-07 15:38:46,415 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.7) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:38:46,415 INFO L276 IsEmpty]: Start isEmpty. Operand 2945 states and 8912 transitions. [2021-10-07 15:38:46,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-07 15:38:46,416 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:38:46,416 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-07 15:38:46,441 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-10-07 15:38:46,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-07 15:38:46,619 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err5REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 97 more)] === [2021-10-07 15:38:46,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:38:46,620 INFO L82 PathProgramCache]: Analyzing trace with hash 931046430, now seen corresponding path program 1 times [2021-10-07 15:38:46,621 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:38:46,621 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2012353841] [2021-10-07 15:38:46,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:38:46,621 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:38:46,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:38:46,631 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 15:38:46,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-10-07 15:38:46,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:38:46,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-07 15:38:46,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:38:47,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:38:47,061 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:38:47,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:38:47,299 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:38:47,300 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2012353841] [2021-10-07 15:38:47,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2012353841] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-07 15:38:47,300 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:38:47,300 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 4 [2021-10-07 15:38:47,300 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9450362] [2021-10-07 15:38:47,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-07 15:38:47,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:38:47,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-07 15:38:47,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-07 15:38:47,301 INFO L87 Difference]: Start difference. First operand 2945 states and 8912 transitions. Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:38:48,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:38:48,290 INFO L93 Difference]: Finished difference Result 3471 states and 10234 transitions. [2021-10-07 15:38:48,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-07 15:38:48,292 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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 9 [2021-10-07 15:38:48,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:38:48,304 INFO L225 Difference]: With dead ends: 3471 [2021-10-07 15:38:48,304 INFO L226 Difference]: Without dead ends: 3471 [2021-10-07 15:38:48,304 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 191.8ms TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-10-07 15:38:48,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3471 states. [2021-10-07 15:38:48,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3471 to 3114. [2021-10-07 15:38:48,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3114 states, 2019 states have (on average 4.688459633481922) internal successors, (9466), 3113 states have internal predecessors, (9466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:38:48,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3114 states to 3114 states and 9466 transitions. [2021-10-07 15:38:48,394 INFO L78 Accepts]: Start accepts. Automaton has 3114 states and 9466 transitions. Word has length 9 [2021-10-07 15:38:48,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:38:48,396 INFO L470 AbstractCegarLoop]: Abstraction has 3114 states and 9466 transitions. [2021-10-07 15:38:48,396 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:38:48,396 INFO L276 IsEmpty]: Start isEmpty. Operand 3114 states and 9466 transitions. [2021-10-07 15:38:48,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-07 15:38:48,397 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:38:48,397 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-07 15:38:48,417 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-10-07 15:38:48,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-07 15:38:48,611 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 97 more)] === [2021-10-07 15:38:48,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:38:48,612 INFO L82 PathProgramCache]: Analyzing trace with hash 931046777, now seen corresponding path program 1 times [2021-10-07 15:38:48,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:38:48,612 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [623307498] [2021-10-07 15:38:48,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:38:48,613 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:38:48,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:38:48,614 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 15:38:48,650 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-10-07 15:38:48,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:38:48,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-07 15:38:48,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:38:48,965 INFO L354 Elim1Store]: treesize reduction 84, result has 22.9 percent of original size [2021-10-07 15:38:48,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 36 treesize of output 48 [2021-10-07 15:38:49,092 INFO L354 Elim1Store]: treesize reduction 30, result has 36.2 percent of original size [2021-10-07 15:38:49,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 40 [2021-10-07 15:38:49,221 INFO L354 Elim1Store]: treesize reduction 42, result has 33.3 percent of original size [2021-10-07 15:38:49,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 53 [2021-10-07 15:38:49,476 INFO L354 Elim1Store]: treesize reduction 57, result has 30.5 percent of original size [2021-10-07 15:38:49,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 78 [2021-10-07 15:38:49,740 INFO L354 Elim1Store]: treesize reduction 57, result has 30.5 percent of original size [2021-10-07 15:38:49,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 63 treesize of output 80 [2021-10-07 15:38:50,141 INFO L354 Elim1Store]: treesize reduction 92, result has 26.4 percent of original size [2021-10-07 15:38:50,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 82 treesize of output 105 [2021-10-07 15:38:53,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:38:53,819 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:38:54,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:38:54,217 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:38:54,217 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [623307498] [2021-10-07 15:38:54,217 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [623307498] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-07 15:38:54,217 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:38:54,217 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 8 [2021-10-07 15:38:54,218 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218089520] [2021-10-07 15:38:54,218 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-07 15:38:54,218 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:38:54,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-07 15:38:54,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=46, Unknown=1, NotChecked=0, Total=90 [2021-10-07 15:38:54,220 INFO L87 Difference]: Start difference. First operand 3114 states and 9466 transitions. Second operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:38:57,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:38:57,097 INFO L93 Difference]: Finished difference Result 3003 states and 9162 transitions. [2021-10-07 15:38:57,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-07 15:38:57,098 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 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 9 [2021-10-07 15:38:57,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:38:57,115 INFO L225 Difference]: With dead ends: 3003 [2021-10-07 15:38:57,115 INFO L226 Difference]: Without dead ends: 3003 [2021-10-07 15:38:57,115 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 3507.4ms TimeCoverageRelationStatistics Valid=43, Invalid=46, Unknown=1, NotChecked=0, Total=90 [2021-10-07 15:38:57,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3003 states. [2021-10-07 15:38:57,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3003 to 3003. [2021-10-07 15:38:57,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3003 states, 1998 states have (on average 4.585585585585585) internal successors, (9162), 3002 states have internal predecessors, (9162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:38:57,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3003 states to 3003 states and 9162 transitions. [2021-10-07 15:38:57,200 INFO L78 Accepts]: Start accepts. Automaton has 3003 states and 9162 transitions. Word has length 9 [2021-10-07 15:38:57,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:38:57,200 INFO L470 AbstractCegarLoop]: Abstraction has 3003 states and 9162 transitions. [2021-10-07 15:38:57,201 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:38:57,201 INFO L276 IsEmpty]: Start isEmpty. Operand 3003 states and 9162 transitions. [2021-10-07 15:38:57,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-07 15:38:57,201 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:38:57,202 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-07 15:38:57,215 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-10-07 15:38:57,415 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-07 15:38:57,416 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err0REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 97 more)] === [2021-10-07 15:38:57,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:38:57,417 INFO L82 PathProgramCache]: Analyzing trace with hash 931046425, now seen corresponding path program 1 times [2021-10-07 15:38:57,417 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:38:57,417 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [30424744] [2021-10-07 15:38:57,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:38:57,418 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:38:57,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:38:57,419 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 15:38:57,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-10-07 15:38:57,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:38:57,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-07 15:38:57,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:38:57,827 INFO L354 Elim1Store]: treesize reduction 84, result has 22.9 percent of original size [2021-10-07 15:38:57,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 15 treesize of output 30 [2021-10-07 15:38:57,881 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-10-07 15:38:57,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 30 [2021-10-07 15:38:57,969 INFO L354 Elim1Store]: treesize reduction 38, result has 39.7 percent of original size [2021-10-07 15:38:57,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 45 treesize of output 62 [2021-10-07 15:38:58,202 INFO L354 Elim1Store]: treesize reduction 69, result has 34.9 percent of original size [2021-10-07 15:38:58,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 83 treesize of output 110 [2021-10-07 15:38:58,520 INFO L354 Elim1Store]: treesize reduction 92, result has 26.4 percent of original size [2021-10-07 15:38:58,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 119 treesize of output 142 [2021-10-07 15:38:58,919 INFO L354 Elim1Store]: treesize reduction 92, result has 26.4 percent of original size [2021-10-07 15:38:58,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 115 treesize of output 138 [2021-10-07 15:38:59,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:38:59,673 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:39:10,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:39:10,525 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:39:10,526 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [30424744] [2021-10-07 15:39:10,526 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [30424744] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-07 15:39:10,526 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:39:10,526 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 8 [2021-10-07 15:39:10,527 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871396395] [2021-10-07 15:39:10,527 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-07 15:39:10,528 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:39:10,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-07 15:39:10,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=52, Unknown=5, NotChecked=0, Total=90 [2021-10-07 15:39:10,529 INFO L87 Difference]: Start difference. First operand 3003 states and 9162 transitions. Second operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:39:12,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:39:12,230 INFO L93 Difference]: Finished difference Result 2464 states and 7335 transitions. [2021-10-07 15:39:12,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-07 15:39:12,231 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 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 9 [2021-10-07 15:39:12,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:39:12,240 INFO L225 Difference]: With dead ends: 2464 [2021-10-07 15:39:12,240 INFO L226 Difference]: Without dead ends: 2464 [2021-10-07 15:39:12,241 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 11166.2ms TimeCoverageRelationStatistics Valid=63, Invalid=88, Unknown=5, NotChecked=0, Total=156 [2021-10-07 15:39:12,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2464 states. [2021-10-07 15:39:12,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2464 to 2464. [2021-10-07 15:39:12,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2464 states, 1656 states have (on average 4.429347826086956) internal successors, (7335), 2463 states have internal predecessors, (7335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:39:12,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2464 states to 2464 states and 7335 transitions. [2021-10-07 15:39:12,304 INFO L78 Accepts]: Start accepts. Automaton has 2464 states and 7335 transitions. Word has length 9 [2021-10-07 15:39:12,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:39:12,304 INFO L470 AbstractCegarLoop]: Abstraction has 2464 states and 7335 transitions. [2021-10-07 15:39:12,304 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:39:12,304 INFO L276 IsEmpty]: Start isEmpty. Operand 2464 states and 7335 transitions. [2021-10-07 15:39:12,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-07 15:39:12,305 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:39:12,305 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-07 15:39:12,320 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-10-07 15:39:12,510 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-07 15:39:12,511 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr15REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 97 more)] === [2021-10-07 15:39:12,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:39:12,512 INFO L82 PathProgramCache]: Analyzing trace with hash 931046778, now seen corresponding path program 1 times [2021-10-07 15:39:12,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:39:12,513 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [860173790] [2021-10-07 15:39:12,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:39:12,513 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:39:12,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:39:12,515 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 15:39:12,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-10-07 15:39:12,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:39:12,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 22 conjunts are in the unsatisfiable core [2021-10-07 15:39:12,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:39:13,150 INFO L354 Elim1Store]: treesize reduction 233, result has 21.3 percent of original size [2021-10-07 15:39:13,151 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 5 case distinctions, treesize of input 42 treesize of output 88 [2021-10-07 15:39:13,156 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 90 treesize of output 88 [2021-10-07 15:39:14,273 INFO L354 Elim1Store]: treesize reduction 84, result has 36.8 percent of original size [2021-10-07 15:39:14,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 59 treesize of output 98 [2021-10-07 15:39:14,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 95 [2021-10-07 15:39:21,841 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:39:21,841 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [860173790] [2021-10-07 15:39:21,841 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Alternating quantifiers not yet supported [2021-10-07 15:39:21,842 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [251144890] [2021-10-07 15:39:21,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:39:21,842 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-07 15:39:21,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 [2021-10-07 15:39:21,847 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-07 15:39:21,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2021-10-07 15:39:22,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:39:22,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-07 15:39:22,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:39:22,899 INFO L354 Elim1Store]: treesize reduction 233, result has 21.3 percent of original size [2021-10-07 15:39:22,899 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 5 case distinctions, treesize of input 42 treesize of output 88 [2021-10-07 15:39:22,906 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 90 treesize of output 88 [2021-10-07 15:39:24,143 INFO L354 Elim1Store]: treesize reduction 84, result has 36.8 percent of original size [2021-10-07 15:39:24,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 53 treesize of output 92 [2021-10-07 15:39:33,719 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Alternating quantifiers not yet supported [2021-10-07 15:39:33,719 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1645941635] [2021-10-07 15:39:33,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:39:33,719 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-07 15:39:33,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-07 15:39:33,727 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-07 15:39:33,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-10-07 15:39:34,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:39:34,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 20 conjunts are in the unsatisfiable core [2021-10-07 15:39:34,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:39:34,464 INFO L354 Elim1Store]: treesize reduction 241, result has 18.6 percent of original size [2021-10-07 15:39:34,464 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 5 case distinctions, treesize of input 72 treesize of output 110 [2021-10-07 15:39:34,562 INFO L354 Elim1Store]: treesize reduction 92, result has 21.4 percent of original size [2021-10-07 15:39:34,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 115 treesize of output 125 [2021-10-07 15:39:35,115 INFO L354 Elim1Store]: treesize reduction 112, result has 15.8 percent of original size [2021-10-07 15:39:35,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 103 treesize of output 114 [2021-10-07 15:39:35,227 INFO L354 Elim1Store]: treesize reduction 108, result has 31.2 percent of original size [2021-10-07 15:39:35,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 102 treesize of output 139 [2021-10-07 15:39:37,723 INFO L354 Elim1Store]: treesize reduction 160, result has 14.0 percent of original size [2021-10-07 15:39:37,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 166 treesize of output 180 [2021-10-07 15:39:37,902 INFO L354 Elim1Store]: treesize reduction 155, result has 28.2 percent of original size [2021-10-07 15:39:37,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 20 case distinctions, treesize of input 165 treesize of output 212 [2021-10-07 15:39:39,784 INFO L354 Elim1Store]: treesize reduction 204, result has 13.2 percent of original size [2021-10-07 15:39:39,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 232 treesize of output 249 [2021-10-07 15:39:40,025 INFO L354 Elim1Store]: treesize reduction 210, result has 25.8 percent of original size [2021-10-07 15:39:40,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 27 case distinctions, treesize of input 226 treesize of output 283 [2021-10-07 15:39:45,587 INFO L354 Elim1Store]: treesize reduction 204, result has 13.2 percent of original size [2021-10-07 15:39:45,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 301 treesize of output 318 [2021-10-07 15:39:45,899 INFO L354 Elim1Store]: treesize reduction 273, result has 23.7 percent of original size [2021-10-07 15:39:45,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 35 case distinctions, treesize of input 295 treesize of output 362 [2021-10-07 15:39:50,746 INFO L354 Elim1Store]: treesize reduction 204, result has 13.2 percent of original size [2021-10-07 15:39:50,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 369 treesize of output 386 [2021-10-07 15:39:50,974 INFO L354 Elim1Store]: treesize reduction 256, result has 11.4 percent of original size [2021-10-07 15:39:50,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 363 treesize of output 377 [2021-10-07 15:40:01,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:40:01,376 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:40:34,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:40:34,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1645941635] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-07 15:40:34,271 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:40:34,271 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 12 [2021-10-07 15:40:34,271 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640722003] [2021-10-07 15:40:34,271 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-07 15:40:34,271 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:40:34,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-07 15:40:34,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=167, Unknown=15, NotChecked=0, Total=272 [2021-10-07 15:40:34,272 INFO L87 Difference]: Start difference. First operand 2464 states and 7335 transitions. Second operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:41:52,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:41:52,044 INFO L93 Difference]: Finished difference Result 2364 states and 7064 transitions. [2021-10-07 15:41:52,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-07 15:41:52,048 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 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 9 [2021-10-07 15:41:52,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:41:52,056 INFO L225 Difference]: With dead ends: 2364 [2021-10-07 15:41:52,056 INFO L226 Difference]: Without dead ends: 2364 [2021-10-07 15:41:52,056 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 43915.4ms TimeCoverageRelationStatistics Valid=90, Invalid=167, Unknown=15, NotChecked=0, Total=272 [2021-10-07 15:41:52,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2364 states. [2021-10-07 15:41:52,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2364 to 2364. [2021-10-07 15:41:52,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2364 states, 1636 states have (on average 4.3178484107579465) internal successors, (7064), 2363 states have internal predecessors, (7064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:41:52,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2364 states to 2364 states and 7064 transitions. [2021-10-07 15:41:52,118 INFO L78 Accepts]: Start accepts. Automaton has 2364 states and 7064 transitions. Word has length 9 [2021-10-07 15:41:52,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:41:52,118 INFO L470 AbstractCegarLoop]: Abstraction has 2364 states and 7064 transitions. [2021-10-07 15:41:52,118 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:41:52,119 INFO L276 IsEmpty]: Start isEmpty. Operand 2364 states and 7064 transitions. [2021-10-07 15:41:52,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-07 15:41:52,119 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:41:52,119 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-07 15:41:52,141 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-10-07 15:41:52,338 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2021-10-07 15:41:52,563 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2021-10-07 15:41:52,733 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3,18 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt,19 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-07 15:41:52,734 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 97 more)] === [2021-10-07 15:41:52,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:41:52,735 INFO L82 PathProgramCache]: Analyzing trace with hash 931046426, now seen corresponding path program 1 times [2021-10-07 15:41:52,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:41:52,736 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1457292443] [2021-10-07 15:41:52,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:41:52,736 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:41:52,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:41:52,737 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 15:41:52,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-10-07 15:41:53,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-07 15:41:53,087 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-07 15:41:53,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-07 15:41:53,317 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-10-07 15:41:53,317 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-07 15:41:53,318 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location thread1Err1REQUIRES_VIOLATION [2021-10-07 15:41:53,321 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0REQUIRES_VIOLATION [2021-10-07 15:41:53,321 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1REQUIRES_VIOLATION [2021-10-07 15:41:53,321 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2REQUIRES_VIOLATION [2021-10-07 15:41:53,322 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3REQUIRES_VIOLATION [2021-10-07 15:41:53,322 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4REQUIRES_VIOLATION [2021-10-07 15:41:53,322 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5REQUIRES_VIOLATION [2021-10-07 15:41:53,322 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6REQUIRES_VIOLATION [2021-10-07 15:41:53,322 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7REQUIRES_VIOLATION [2021-10-07 15:41:53,322 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8REQUIRES_VIOLATION [2021-10-07 15:41:53,323 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9REQUIRES_VIOLATION [2021-10-07 15:41:53,323 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10REQUIRES_VIOLATION [2021-10-07 15:41:53,323 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11REQUIRES_VIOLATION [2021-10-07 15:41:53,323 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0REQUIRES_VIOLATION [2021-10-07 15:41:53,323 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1REQUIRES_VIOLATION [2021-10-07 15:41:53,323 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2REQUIRES_VIOLATION [2021-10-07 15:41:53,324 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3REQUIRES_VIOLATION [2021-10-07 15:41:53,324 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4REQUIRES_VIOLATION [2021-10-07 15:41:53,324 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5REQUIRES_VIOLATION [2021-10-07 15:41:53,324 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6REQUIRES_VIOLATION [2021-10-07 15:41:53,324 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7REQUIRES_VIOLATION [2021-10-07 15:41:53,325 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8REQUIRES_VIOLATION [2021-10-07 15:41:53,325 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9REQUIRES_VIOLATION [2021-10-07 15:41:53,325 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10REQUIRES_VIOLATION [2021-10-07 15:41:53,325 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11REQUIRES_VIOLATION [2021-10-07 15:41:53,325 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0REQUIRES_VIOLATION [2021-10-07 15:41:53,326 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1REQUIRES_VIOLATION [2021-10-07 15:41:53,326 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2REQUIRES_VIOLATION [2021-10-07 15:41:53,326 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3REQUIRES_VIOLATION [2021-10-07 15:41:53,326 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err4REQUIRES_VIOLATION [2021-10-07 15:41:53,326 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err5REQUIRES_VIOLATION [2021-10-07 15:41:53,326 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err6REQUIRES_VIOLATION [2021-10-07 15:41:53,327 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err7REQUIRES_VIOLATION [2021-10-07 15:41:53,327 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err8REQUIRES_VIOLATION [2021-10-07 15:41:53,327 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err9REQUIRES_VIOLATION [2021-10-07 15:41:53,327 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err10REQUIRES_VIOLATION [2021-10-07 15:41:53,327 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err11REQUIRES_VIOLATION [2021-10-07 15:41:53,328 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATION [2021-10-07 15:41:53,328 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATION [2021-10-07 15:41:53,328 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATION [2021-10-07 15:41:53,328 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATION [2021-10-07 15:41:53,328 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATION [2021-10-07 15:41:53,328 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATION [2021-10-07 15:41:53,329 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATION [2021-10-07 15:41:53,329 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATION [2021-10-07 15:41:53,329 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATION [2021-10-07 15:41:53,329 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATION [2021-10-07 15:41:53,329 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATION [2021-10-07 15:41:53,329 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11REQUIRES_VIOLATION [2021-10-07 15:41:53,330 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12REQUIRES_VIOLATION [2021-10-07 15:41:53,330 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13REQUIRES_VIOLATION [2021-10-07 15:41:53,330 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14REQUIRES_VIOLATION [2021-10-07 15:41:53,330 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15REQUIRES_VIOLATION [2021-10-07 15:41:53,330 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16REQUIRES_VIOLATION [2021-10-07 15:41:53,330 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17REQUIRES_VIOLATION [2021-10-07 15:41:53,331 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18REQUIRES_VIOLATION [2021-10-07 15:41:53,331 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19REQUIRES_VIOLATION [2021-10-07 15:41:53,331 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20REQUIRES_VIOLATION [2021-10-07 15:41:53,331 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21REQUIRES_VIOLATION [2021-10-07 15:41:53,331 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22REQUIRES_VIOLATION [2021-10-07 15:41:53,332 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23REQUIRES_VIOLATION [2021-10-07 15:41:53,332 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_LEAK [2021-10-07 15:41:53,332 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_LEAK [2021-10-07 15:41:53,332 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-07 15:41:53,332 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-07 15:41:53,333 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-07 15:41:53,333 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0REQUIRES_VIOLATION [2021-10-07 15:41:53,333 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2REQUIRES_VIOLATION [2021-10-07 15:41:53,333 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3REQUIRES_VIOLATION [2021-10-07 15:41:53,333 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4REQUIRES_VIOLATION [2021-10-07 15:41:53,333 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5REQUIRES_VIOLATION [2021-10-07 15:41:53,334 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6REQUIRES_VIOLATION [2021-10-07 15:41:53,334 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7REQUIRES_VIOLATION [2021-10-07 15:41:53,334 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8REQUIRES_VIOLATION [2021-10-07 15:41:53,334 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9REQUIRES_VIOLATION [2021-10-07 15:41:53,334 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10REQUIRES_VIOLATION [2021-10-07 15:41:53,335 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11REQUIRES_VIOLATION [2021-10-07 15:41:53,335 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0REQUIRES_VIOLATION [2021-10-07 15:41:53,335 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1REQUIRES_VIOLATION [2021-10-07 15:41:53,335 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2REQUIRES_VIOLATION [2021-10-07 15:41:53,335 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3REQUIRES_VIOLATION [2021-10-07 15:41:53,336 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4REQUIRES_VIOLATION [2021-10-07 15:41:53,336 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5REQUIRES_VIOLATION [2021-10-07 15:41:53,336 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6REQUIRES_VIOLATION [2021-10-07 15:41:53,337 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7REQUIRES_VIOLATION [2021-10-07 15:41:53,337 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8REQUIRES_VIOLATION [2021-10-07 15:41:53,337 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9REQUIRES_VIOLATION [2021-10-07 15:41:53,338 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10REQUIRES_VIOLATION [2021-10-07 15:41:53,338 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11REQUIRES_VIOLATION [2021-10-07 15:41:53,338 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0REQUIRES_VIOLATION [2021-10-07 15:41:53,338 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1REQUIRES_VIOLATION [2021-10-07 15:41:53,338 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2REQUIRES_VIOLATION [2021-10-07 15:41:53,339 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3REQUIRES_VIOLATION [2021-10-07 15:41:53,339 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err4REQUIRES_VIOLATION [2021-10-07 15:41:53,339 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err5REQUIRES_VIOLATION [2021-10-07 15:41:53,339 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err6REQUIRES_VIOLATION [2021-10-07 15:41:53,339 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err7REQUIRES_VIOLATION [2021-10-07 15:41:53,339 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err8REQUIRES_VIOLATION [2021-10-07 15:41:53,340 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err9REQUIRES_VIOLATION [2021-10-07 15:41:53,340 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err10REQUIRES_VIOLATION [2021-10-07 15:41:53,340 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err11REQUIRES_VIOLATION [2021-10-07 15:41:53,362 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-10-07 15:41:53,553 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-07 15:41:53,565 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-07 15:41:53,566 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-07 15:41:53,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:41:53 BasicIcfg [2021-10-07 15:41:53,639 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-07 15:41:53,641 INFO L168 Benchmark]: Toolchain (without parser) took 481070.91 ms. Allocated memory was 157.3 MB in the beginning and 343.9 MB in the end (delta: 186.6 MB). Free memory was 132.4 MB in the beginning and 46.6 MB in the end (delta: 85.9 MB). Peak memory consumption was 273.6 MB. Max. memory is 8.0 GB. [2021-10-07 15:41:53,642 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 157.3 MB. Free memory is still 129.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-07 15:41:53,642 INFO L168 Benchmark]: CACSL2BoogieTranslator took 454.90 ms. Allocated memory is still 157.3 MB. Free memory was 131.9 MB in the beginning and 116.7 MB in the end (delta: 15.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-10-07 15:41:53,642 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.46 ms. Allocated memory is still 157.3 MB. Free memory was 116.7 MB in the beginning and 114.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-10-07 15:41:53,643 INFO L168 Benchmark]: Boogie Preprocessor took 102.70 ms. Allocated memory is still 157.3 MB. Free memory was 114.3 MB in the beginning and 111.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-07 15:41:53,643 INFO L168 Benchmark]: RCFGBuilder took 8155.29 ms. Allocated memory is still 157.3 MB. Free memory was 111.6 MB in the beginning and 90.3 MB in the end (delta: 21.4 MB). Peak memory consumption was 67.8 MB. Max. memory is 8.0 GB. [2021-10-07 15:41:53,644 INFO L168 Benchmark]: TraceAbstraction took 472221.23 ms. Allocated memory was 157.3 MB in the beginning and 343.9 MB in the end (delta: 186.6 MB). Free memory was 89.8 MB in the beginning and 46.6 MB in the end (delta: 43.2 MB). Peak memory consumption was 229.8 MB. Max. memory is 8.0 GB. [2021-10-07 15:41:53,646 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 157.3 MB. Free memory is still 129.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 454.90 ms. Allocated memory is still 157.3 MB. Free memory was 131.9 MB in the beginning and 116.7 MB in the end (delta: 15.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 115.46 ms. Allocated memory is still 157.3 MB. Free memory was 116.7 MB in the beginning and 114.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 102.70 ms. Allocated memory is still 157.3 MB. Free memory was 114.3 MB in the beginning and 111.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 8155.29 ms. Allocated memory is still 157.3 MB. Free memory was 111.6 MB in the beginning and 90.3 MB in the end (delta: 21.4 MB). Peak memory consumption was 67.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 472221.23 ms. Allocated memory was 157.3 MB in the beginning and 343.9 MB in the end (delta: 186.6 MB). Free memory was 89.8 MB in the beginning and 46.6 MB in the end (delta: 43.2 MB). Peak memory consumption was 229.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 88754.0ms, 351 PlacesBefore, 97 PlacesAfterwards, 366 TransitionsBefore, 93 TransitionsAfterwards, 2970 CoEnabledTransitionPairs, 8 FixpointIterations, 251 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 58 TrivialYvCompositions, 0 ConcurrentYvCompositions, 19 ChoiceCompositions, 364 TotalNumberOfCompositions, 4136 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3419, positive: 3371, positive conditional: 0, positive unconditional: 3371, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 957, positive: 944, positive conditional: 0, positive unconditional: 944, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 957, positive: 944, positive conditional: 0, positive unconditional: 944, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 13, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3064, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3064, negative conditional: 0, negative unconditional: 3064, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3419, positive: 2427, positive conditional: 0, positive unconditional: 2427, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 957, unknown conditional: 0, unknown unconditional: 957] , Statistics on independence cache: Total cache size (in pairs): 260, Positive cache size: 256, Positive conditional cache size: 0, Positive unconditional cache size: 256, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 50]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L41] 0 int id_0, id_3, id_6, result_9, order1_10, order2_11, result_12, order1_13, order2_14, result_15, order1_16, order2_17; [L42] 0 int *get_2, *get_5, *get_8; [L43] 0 _Bool *contains_key_1, *contains_key_4, *contains_key_7; [L79] 0 pthread_t t1, t2, t3; [L82] 0 id_0 = __VERIFIER_nondet_int() [L83] 0 id_3 = __VERIFIER_nondet_int() [L84] 0 id_6 = __VERIFIER_nondet_int() [L85] 0 result_9 = __VERIFIER_nondet_int() [L86] 0 order1_10 = __VERIFIER_nondet_int() [L87] 0 order2_11 = __VERIFIER_nondet_int() [L88] 0 result_12 = __VERIFIER_nondet_int() [L89] 0 order1_13 = __VERIFIER_nondet_int() [L90] 0 order2_14 = __VERIFIER_nondet_int() [L91] 0 result_15 = __VERIFIER_nondet_int() [L92] 0 order1_16 = __VERIFIER_nondet_int() [L93] 0 order2_17 = __VERIFIER_nondet_int() [L38] COND FALSE 0 !(!cond) [L38] COND FALSE 0 !(!cond) [L119] 0 int* arr = (int*)malloc(sizeof(int) * (size_t)size); [L120] 0 int i = 0; VAL [contains_key_1={0:0}, contains_key_4={0:0}, contains_key_7={0:0}, get_2={0:0}, get_5={0:0}, get_8={0:0}, id_0=-1] [L120] COND FALSE 0 !(i < size) [L123] 0 return arr; [L94] 0 get_2 = create_fresh_int_array(id_0 + 1) [L38] COND FALSE 0 !(!cond) [L38] COND FALSE 0 !(!cond) [L119] 0 int* arr = (int*)malloc(sizeof(int) * (size_t)size); [L120] 0 int i = 0; VAL [contains_key_1={0:0}, contains_key_4={0:0}, contains_key_7={0:0}, get_2={-2147483647:0}, get_5={0:0}, get_8={0:0}, id_0=-1, id_3=-1] [L120] COND FALSE 0 !(i < size) [L123] 0 return arr; [L95] 0 get_5 = create_fresh_int_array(id_3 + 1) [L38] COND FALSE 0 !(!cond) [L38] COND FALSE 0 !(!cond) [L119] 0 int* arr = (int*)malloc(sizeof(int) * (size_t)size); [L120] 0 int i = 0; VAL [contains_key_1={0:0}, contains_key_4={0:0}, contains_key_7={0:0}, get_2={-2147483647:0}, get_5={-2147483645:0}, get_8={0:0}, id_0=-1, id_3=-1, id_6=-1] [L120] COND FALSE 0 !(i < size) [L123] 0 return arr; [L96] 0 get_8 = create_fresh_int_array(id_6 + 1) [L38] COND FALSE 0 !(!cond) [L38] COND FALSE 0 !(!cond) [L130] 0 _Bool* arr = (_Bool*)malloc(sizeof(_Bool) * (size_t)size); [L131] 0 int i = 0; VAL [contains_key_1={0:0}, contains_key_4={0:0}, contains_key_7={0:0}, get_2={-2147483647:0}, get_5={-2147483645:0}, get_8={1:0}, id_0=-1, id_3=-1, id_6=-1] [L131] COND FALSE 0 !(i < size) [L134] 0 return arr; [L97] 0 contains_key_1 = create_fresh_bool_array(id_0+1) [L38] COND FALSE 0 !(!cond) [L38] COND FALSE 0 !(!cond) [L130] 0 _Bool* arr = (_Bool*)malloc(sizeof(_Bool) * (size_t)size); [L131] 0 int i = 0; VAL [contains_key_1={-2147483648:0}, contains_key_4={0:0}, contains_key_7={0:0}, get_2={-2147483647:0}, get_5={-2147483645:0}, get_8={1:0}, id_0=-1, id_3=-1, id_6=-1] [L131] COND FALSE 0 !(i < size) [L134] 0 return arr; [L98] 0 contains_key_4 = create_fresh_bool_array(id_3+1) [L38] COND FALSE 0 !(!cond) [L38] COND FALSE 0 !(!cond) [L130] 0 _Bool* arr = (_Bool*)malloc(sizeof(_Bool) * (size_t)size); [L131] 0 int i = 0; VAL [contains_key_1={-2147483648:0}, contains_key_4={3:0}, contains_key_7={0:0}, get_2={-2147483647:0}, get_5={-2147483645:0}, get_8={1:0}, id_0=-1, id_3=-1, id_6=-1] [L131] COND FALSE 0 !(i < size) [L134] 0 return arr; [L99] 0 contains_key_7 = create_fresh_bool_array(id_6+1) [L102] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [contains_key_1={-2147483648:0}, contains_key_4={3:0}, contains_key_7={2:0}, get_2={-2147483647:0}, get_5={-2147483645:0}, get_8={1:0}, id_0=-1, id_3=-1, id_6=-1] [L50] 1 get_2[id_0] - UnprovableResult [Line: 50]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 51]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 51]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 52]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 52]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 52]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 52]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 52]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 52]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 52]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 52]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 60]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 60]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 61]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 61]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 71]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 71]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 121]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 121]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 121]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 121]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 121]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 121]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 132]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 132]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 132]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 132]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 132]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 132]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 102]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 102]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 103]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 103]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 104]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 104]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 105]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 105]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 106]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 106]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 107]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 107]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 110]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 78]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 103]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 102]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 104]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 393 locations, 101 error locations. Started 1 CEGAR loops. OverallTime: 471947.0ms, OverallIterations: 15, TraceHistogramMax: 6, EmptinessCheckTime: 71.6ms, AutomataDifference: 185420.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 89285.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 441 SDtfs, 2088 SDslu, 607 SDs, 0 SdLazy, 2424 SolverSat, 718 SolverUnsat, 50 SolverUnknown, 0 SolverNotchecked, 172681.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 193 GetRequests, 52 SyntacticMatches, 16 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 106185.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=12681occurred in iteration=0, InterpolantAutomatonStates: 91, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 2673.0ms AutomataMinimizationTime, 14 MinimizatonAttempts, 11019 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 297.9ms SsaConstructionTime, 1149.6ms SatisfiabilityAnalysisTime, 138891.1ms InterpolantComputationTime, 101 NumberOfCodeBlocks, 101 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 156 ConstructedInterpolants, 57 QuantifiedInterpolants, 6505 SizeOfPredicates, 109 NumberOfNonLiveVariables, 1489 ConjunctsInSsa, 178 ConjunctsInUnsatCore, 28 InterpolantComputations, 20 PerfectInterpolantSequences, 0/66 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-07 15:41:53,809 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...