/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-symm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-c503be2 [2021-10-13 20:06:17,816 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 20:06:17,820 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 20:06:17,882 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 20:06:17,882 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 20:06:17,891 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 20:06:17,894 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 20:06:17,900 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 20:06:17,904 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 20:06:17,912 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 20:06:17,913 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 20:06:17,915 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 20:06:17,915 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 20:06:17,918 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 20:06:17,928 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 20:06:17,930 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 20:06:17,931 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 20:06:17,932 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 20:06:17,934 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 20:06:17,936 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 20:06:17,938 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 20:06:17,939 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 20:06:17,941 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 20:06:17,942 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 20:06:17,945 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 20:06:17,946 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 20:06:17,946 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 20:06:17,948 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 20:06:17,949 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 20:06:17,950 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 20:06:17,950 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 20:06:17,951 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 20:06:17,952 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 20:06:17,953 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 20:06:17,954 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 20:06:17,954 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 20:06:17,955 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 20:06:17,956 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 20:06:17,956 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 20:06:17,957 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 20:06:17,958 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 20:06:17,959 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-13 20:06:17,987 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 20:06:17,987 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 20:06:17,988 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 20:06:17,988 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 20:06:17,989 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 20:06:17,989 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 20:06:17,990 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 20:06:17,990 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 20:06:17,990 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 20:06:17,990 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 20:06:17,991 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 20:06:17,991 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 20:06:17,991 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 20:06:17,991 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 20:06:17,991 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 20:06:17,992 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 20:06:17,992 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 20:06:17,992 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 20:06:17,992 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 20:06:17,992 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 20:06:17,993 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 20:06:17,993 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 20:06:17,993 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 20:06:17,993 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 20:06:17,993 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 20:06:17,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 20:06:17,994 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 20:06:17,994 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 20:06:17,994 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-13 20:06:17,994 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 20:06:17,995 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 20:06:17,995 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 20:06:17,995 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-13 20:06:18,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 20:06:18,381 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 20:06:18,384 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 20:06:18,386 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 20:06:18,386 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 20:06:18,387 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-node-symm.wvr.c [2021-10-13 20:06:18,486 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f6dec7b3b/87021b9c49934f71b049f9362643fdd2/FLAG1355a5ce5 [2021-10-13 20:06:19,184 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 20:06:19,186 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl-node-symm.wvr.c [2021-10-13 20:06:19,198 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f6dec7b3b/87021b9c49934f71b049f9362643fdd2/FLAG1355a5ce5 [2021-10-13 20:06:19,502 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f6dec7b3b/87021b9c49934f71b049f9362643fdd2 [2021-10-13 20:06:19,506 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 20:06:19,513 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-13 20:06:19,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 20:06:19,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 20:06:19,520 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 20:06:19,521 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:06:19" (1/1) ... [2021-10-13 20:06:19,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cee96b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:06:19, skipping insertion in model container [2021-10-13 20:06:19,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:06:19" (1/1) ... [2021-10-13 20:06:19,533 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 20:06:19,575 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 20:06:19,781 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-symm.wvr.c[3305,3318] [2021-10-13 20:06:19,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 20:06:19,816 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 20:06:19,821 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 20:06:19,855 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-symm.wvr.c[3305,3318] [2021-10-13 20:06:19,876 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 20:06:19,888 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 20:06:19,956 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-symm.wvr.c[3305,3318] [2021-10-13 20:06:19,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 20:06:20,011 INFO L208 MainTranslator]: Completed translation [2021-10-13 20:06:20,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:06:20 WrapperNode [2021-10-13 20:06:20,012 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 20:06:20,015 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 20:06:20,016 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 20:06:20,016 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 20:06:20,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:06:20" (1/1) ... [2021-10-13 20:06:20,067 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:06:20" (1/1) ... [2021-10-13 20:06:20,133 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 20:06:20,135 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 20:06:20,136 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 20:06:20,136 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 20:06:20,148 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:06:20" (1/1) ... [2021-10-13 20:06:20,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:06:20" (1/1) ... [2021-10-13 20:06:20,176 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:06:20" (1/1) ... [2021-10-13 20:06:20,176 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:06:20" (1/1) ... [2021-10-13 20:06:20,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:06:20" (1/1) ... [2021-10-13 20:06:20,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:06:20" (1/1) ... [2021-10-13 20:06:20,225 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:06:20" (1/1) ... [2021-10-13 20:06:20,231 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 20:06:20,232 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 20:06:20,232 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 20:06:20,232 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 20:06:20,233 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:06:20" (1/1) ... [2021-10-13 20:06:20,242 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 20:06:20,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-13 20:06:20,273 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 20:06:20,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 20:06:20,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-10-13 20:06:20,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 20:06:20,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 20:06:20,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-13 20:06:20,345 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-13 20:06:20,345 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-13 20:06:20,347 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-13 20:06:20,348 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-13 20:06:20,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 20:06:20,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 20:06:20,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 20:06:20,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-10-13 20:06:20,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 20:06:20,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-13 20:06:20,351 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-13 20:06:21,582 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 20:06:21,583 INFO L299 CfgBuilder]: Removed 52 assume(true) statements. [2021-10-13 20:06:21,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:06:21 BoogieIcfgContainer [2021-10-13 20:06:21,586 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 20:06:21,588 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 20:06:21,588 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 20:06:21,592 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 20:06:21,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:06:19" (1/3) ... [2021-10-13 20:06:21,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ae97960 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:06:21, skipping insertion in model container [2021-10-13 20:06:21,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:06:20" (2/3) ... [2021-10-13 20:06:21,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ae97960 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:06:21, skipping insertion in model container [2021-10-13 20:06:21,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:06:21" (3/3) ... [2021-10-13 20:06:21,596 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-node-symm.wvr.c [2021-10-13 20:06:21,602 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 20:06:21,602 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2021-10-13 20:06:21,603 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-13 20:06:21,665 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,665 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,666 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,666 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,666 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,666 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,666 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,667 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,667 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,667 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,667 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,667 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,668 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,668 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,668 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,668 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,669 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,669 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,669 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,669 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,669 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,670 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,670 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,670 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,670 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,671 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,671 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,671 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,671 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,671 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,672 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,672 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,672 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,672 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,674 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,675 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,675 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,675 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,676 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,676 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,676 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,676 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,676 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,677 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,677 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,677 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,677 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,677 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,678 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,678 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,678 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,678 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,678 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,678 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,679 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,679 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,679 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,679 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,679 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,680 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,680 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,680 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,680 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,680 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,680 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,681 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,681 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,681 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,681 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,681 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,682 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,682 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,682 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,682 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,682 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,683 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,683 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,683 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,683 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,683 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,683 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,684 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,684 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,684 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,684 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,684 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,685 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,685 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,685 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,685 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,685 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,685 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,686 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,686 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,686 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,686 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,687 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,687 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,687 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,687 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,687 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,688 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,688 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,688 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,688 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,688 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,689 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,689 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,689 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,689 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,689 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,689 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,690 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,690 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,690 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,690 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,690 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,691 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,691 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,691 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,691 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,691 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,691 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,692 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,692 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,692 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,692 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,692 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,693 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,693 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,693 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,693 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,693 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,693 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,694 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,694 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,694 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,694 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,694 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,695 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,695 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,695 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,696 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,696 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,697 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,697 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,697 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,697 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,698 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,698 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,698 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,698 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,699 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,699 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,699 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,699 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,700 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,700 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,700 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,700 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,700 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,700 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,701 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,701 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,701 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,701 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,702 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,702 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,702 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,702 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,702 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,702 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,703 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,703 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,703 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,703 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,704 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,704 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,704 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,704 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,705 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,705 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,705 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,705 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,706 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,706 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,706 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,706 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,706 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,707 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,707 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,707 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,707 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,707 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,707 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,707 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,708 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,708 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,708 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,708 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,708 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,709 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,709 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,709 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,709 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,709 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,709 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,710 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,710 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,710 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,710 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,710 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,710 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,711 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,711 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,711 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,711 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,711 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,711 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,712 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,712 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,712 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,712 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,712 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,713 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,713 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,713 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,713 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,713 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,713 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,714 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,714 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,714 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,714 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,714 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,715 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,715 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,715 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,715 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,715 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,715 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,716 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,716 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,716 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,716 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,716 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,717 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,717 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,717 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,717 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,717 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,718 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,718 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,718 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,718 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,718 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,718 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,719 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,719 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,719 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,719 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,719 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,720 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,720 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,720 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,720 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,720 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,720 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,721 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,721 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,721 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,721 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,721 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,722 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,722 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,722 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,722 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,722 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,722 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,722 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,723 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,723 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,723 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,723 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,727 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,727 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,727 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,728 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,728 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,728 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,728 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,728 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,728 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,729 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,729 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,729 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,729 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,729 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,729 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,730 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,730 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,730 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,730 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,730 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,735 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,736 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,736 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,736 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,736 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,736 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,737 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,737 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,737 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,737 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,737 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,737 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,738 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,738 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,738 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,738 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,738 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,739 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,739 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,739 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 20:06:21,744 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-10-13 20:06:21,797 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 20:06:21,805 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 20:06:21,805 INFO L340 AbstractCegarLoop]: Starting to check reachability of 68 error locations. [2021-10-13 20:06:21,830 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-13 20:06:21,842 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 369 places, 398 transitions, 812 flow [2021-10-13 20:06:21,845 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 369 places, 398 transitions, 812 flow [2021-10-13 20:06:21,847 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 369 places, 398 transitions, 812 flow [2021-10-13 20:06:22,058 INFO L129 PetriNetUnfolder]: 36/396 cut-off events. [2021-10-13 20:06:22,058 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-10-13 20:06:22,066 INFO L84 FinitePrefix]: Finished finitePrefix Result has 405 conditions, 396 events. 36/396 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 651 event pairs, 0 based on Foata normal form. 0/318 useless extension candidates. Maximal degree in co-relation 278. Up to 2 conditions per place. [2021-10-13 20:06:22,080 INFO L116 LiptonReduction]: Number of co-enabled transitions 12696 [2021-10-13 20:07:58,792 INFO L131 LiptonReduction]: Checked pairs total: 16954 [2021-10-13 20:07:58,792 INFO L133 LiptonReduction]: Total number of compositions: 495 [2021-10-13 20:07:58,804 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 71 places, 70 transitions, 156 flow [2021-10-13 20:07:58,867 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1215 states, 645 states have (on average 4.950387596899224) internal successors, (3193), 1214 states have internal predecessors, (3193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 20:07:58,875 INFO L276 IsEmpty]: Start isEmpty. Operand has 1215 states, 645 states have (on average 4.950387596899224) internal successors, (3193), 1214 states have internal predecessors, (3193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 20:07:58,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-13 20:07:58,889 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 20:07:58,890 INFO L512 BasicCegarLoop]: trace histogram [1, 1] [2021-10-13 20:07:58,890 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 64 more)] === [2021-10-13 20:07:58,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 20:07:58,904 INFO L82 PathProgramCache]: Analyzing trace with hash 51162, now seen corresponding path program 1 times [2021-10-13 20:07:58,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 20:07:58,929 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2118052354] [2021-10-13 20:07:58,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 20:07:58,941 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 20:07:58,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-13 20:07:58,949 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 20:07:58,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 20:07:59,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 20:07:59,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 20:07:59,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 20:07:59,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 20:07:59,473 INFO L354 Elim1Store]: treesize reduction 141, result has 26.9 percent of original size [2021-10-13 20:07:59,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 20 treesize of output 59 [2021-10-13 20:07:59,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 20:07:59,595 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 20:07:59,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 20:07:59,770 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 20:07:59,771 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2118052354] [2021-10-13 20:07:59,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2118052354] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 20:07:59,772 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 20:07:59,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 2 [2021-10-13 20:07:59,774 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256773605] [2021-10-13 20:07:59,779 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 20:07:59,780 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 20:07:59,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 20:07:59,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 20:07:59,804 INFO L87 Difference]: Start difference. First operand has 1215 states, 645 states have (on average 4.950387596899224) internal successors, (3193), 1214 states have internal predecessors, (3193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 20:08:00,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 20:08:00,857 INFO L93 Difference]: Finished difference Result 902 states and 2320 transitions. [2021-10-13 20:08:00,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 20:08:00,865 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 [2021-10-13 20:08:00,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 20:08:00,892 INFO L225 Difference]: With dead ends: 902 [2021-10-13 20:08:00,892 INFO L226 Difference]: Without dead ends: 902 [2021-10-13 20:08:00,894 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 117.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 20:08:00,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2021-10-13 20:08:01,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 898. [2021-10-13 20:08:01,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 898 states, 493 states have (on average 4.705882352941177) internal successors, (2320), 897 states have internal predecessors, (2320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 20:08:01,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 898 states and 2320 transitions. [2021-10-13 20:08:01,035 INFO L78 Accepts]: Start accepts. Automaton has 898 states and 2320 transitions. Word has length 2 [2021-10-13 20:08:01,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 20:08:01,035 INFO L470 AbstractCegarLoop]: Abstraction has 898 states and 2320 transitions. [2021-10-13 20:08:01,035 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) [2021-10-13 20:08:01,035 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 2320 transitions. [2021-10-13 20:08:01,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-13 20:08:01,036 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 20:08:01,036 INFO L512 BasicCegarLoop]: trace histogram [1, 1] [2021-10-13 20:08:01,048 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-13 20:08:01,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-13 20:08:01,238 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 64 more)] === [2021-10-13 20:08:01,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 20:08:01,239 INFO L82 PathProgramCache]: Analyzing trace with hash 51163, now seen corresponding path program 1 times [2021-10-13 20:08:01,240 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 20:08:01,241 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1553949849] [2021-10-13 20:08:01,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 20:08:01,241 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 20:08:01,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-13 20:08:01,242 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 20:08:01,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 20:08:01,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 20:08:01,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 20:08:01,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 20:08:01,513 INFO L354 Elim1Store]: treesize reduction 232, result has 18.9 percent of original size [2021-10-13 20:08:01,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 21 treesize of output 59 [2021-10-13 20:08:02,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 20:08:02,029 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 20:08:02,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 20:08:02,033 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 20:08:02,034 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1553949849] [2021-10-13 20:08:02,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1553949849] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 20:08:02,034 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 20:08:02,034 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 1 [2021-10-13 20:08:02,035 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629564446] [2021-10-13 20:08:02,036 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 20:08:02,036 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 20:08:02,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 20:08:02,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 20:08:02,038 INFO L87 Difference]: Start difference. First operand 898 states and 2320 transitions. Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 20:08:02,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 20:08:02,581 INFO L93 Difference]: Finished difference Result 896 states and 2314 transitions. [2021-10-13 20:08:02,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 20:08:02,583 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 [2021-10-13 20:08:02,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 20:08:02,592 INFO L225 Difference]: With dead ends: 896 [2021-10-13 20:08:02,593 INFO L226 Difference]: Without dead ends: 896 [2021-10-13 20:08:02,594 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 20:08:02,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 896 states. [2021-10-13 20:08:02,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 896 to 896. [2021-10-13 20:08:02,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 896 states, 493 states have (on average 4.693711967545639) internal successors, (2314), 895 states have internal predecessors, (2314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 20:08:02,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 896 states and 2314 transitions. [2021-10-13 20:08:02,642 INFO L78 Accepts]: Start accepts. Automaton has 896 states and 2314 transitions. Word has length 2 [2021-10-13 20:08:02,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 20:08:02,643 INFO L470 AbstractCegarLoop]: Abstraction has 896 states and 2314 transitions. [2021-10-13 20:08:02,643 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) [2021-10-13 20:08:02,643 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 2314 transitions. [2021-10-13 20:08:02,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-13 20:08:02,644 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 20:08:02,644 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1] [2021-10-13 20:08:02,663 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 20:08:02,857 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-13 20:08:02,858 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 64 more)] === [2021-10-13 20:08:02,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 20:08:02,862 INFO L82 PathProgramCache]: Analyzing trace with hash 49562874, now seen corresponding path program 1 times [2021-10-13 20:08:02,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 20:08:02,863 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1572317115] [2021-10-13 20:08:02,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 20:08:02,864 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 20:08:02,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-13 20:08:02,866 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 20:08:02,900 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 20:08:02,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 20:08:02,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-13 20:08:02,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 20:08:02,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 20:08:03,196 INFO L354 Elim1Store]: treesize reduction 141, result has 26.9 percent of original size [2021-10-13 20:08:03,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 20 treesize of output 59 [2021-10-13 20:08:03,371 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 20:08:03,371 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 20:08:03,960 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 20:08:03,961 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 20:08:03,961 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1572317115] [2021-10-13 20:08:03,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1572317115] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 20:08:03,961 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 20:08:03,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 6 [2021-10-13 20:08:03,962 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80606899] [2021-10-13 20:08:03,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 20:08:03,963 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 20:08:03,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 20:08:03,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-13 20:08:03,964 INFO L87 Difference]: Start difference. First operand 896 states and 2314 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) [2021-10-13 20:08:09,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 20:08:09,419 INFO L93 Difference]: Finished difference Result 907 states and 2334 transitions. [2021-10-13 20:08:09,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 20:08:09,423 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 [2021-10-13 20:08:09,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 20:08:09,433 INFO L225 Difference]: With dead ends: 907 [2021-10-13 20:08:09,433 INFO L226 Difference]: Without dead ends: 907 [2021-10-13 20:08:09,433 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1007.3ms TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-10-13 20:08:09,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 907 states. [2021-10-13 20:08:09,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 907 to 904. [2021-10-13 20:08:09,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 904 states, 501 states have (on average 4.650698602794411) internal successors, (2330), 903 states have internal predecessors, (2330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 20:08:09,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 904 states and 2330 transitions. [2021-10-13 20:08:09,497 INFO L78 Accepts]: Start accepts. Automaton has 904 states and 2330 transitions. Word has length 4 [2021-10-13 20:08:09,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 20:08:09,497 INFO L470 AbstractCegarLoop]: Abstraction has 904 states and 2330 transitions. [2021-10-13 20:08:09,498 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) [2021-10-13 20:08:09,498 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 2330 transitions. [2021-10-13 20:08:09,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-13 20:08:09,498 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 20:08:09,501 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-13 20:08:09,515 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 20:08:09,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-13 20:08:09,714 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 64 more)] === [2021-10-13 20:08:09,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 20:08:09,715 INFO L82 PathProgramCache]: Analyzing trace with hash 49611338, now seen corresponding path program 1 times [2021-10-13 20:08:09,716 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 20:08:09,716 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [678233439] [2021-10-13 20:08:09,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 20:08:09,717 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 20:08:09,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-13 20:08:09,718 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 20:08:09,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 20:08:09,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 20:08:09,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 20:08:09,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 20:08:09,797 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 [2021-10-13 20:08:09,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 20:08:09,803 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 20:08:09,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 20:08:09,815 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 20:08:09,815 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [678233439] [2021-10-13 20:08:09,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [678233439] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 20:08:09,815 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 20:08:09,816 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 20:08:09,816 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345676134] [2021-10-13 20:08:09,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 20:08:09,816 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 20:08:09,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 20:08:09,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 20:08:09,817 INFO L87 Difference]: Start difference. First operand 904 states and 2330 transitions. Second operand has 3 states, 2 states have (on average 2.0) 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) [2021-10-13 20:08:10,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 20:08:10,415 INFO L93 Difference]: Finished difference Result 902 states and 2328 transitions. [2021-10-13 20:08:10,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 20:08:10,417 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) 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 4 [2021-10-13 20:08:10,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 20:08:10,426 INFO L225 Difference]: With dead ends: 902 [2021-10-13 20:08:10,426 INFO L226 Difference]: Without dead ends: 902 [2021-10-13 20:08:10,427 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 20:08:10,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2021-10-13 20:08:10,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 902. [2021-10-13 20:08:10,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 902 states, 501 states have (on average 4.6467065868263475) internal successors, (2328), 901 states have internal predecessors, (2328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 20:08:10,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 2328 transitions. [2021-10-13 20:08:10,460 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 2328 transitions. Word has length 4 [2021-10-13 20:08:10,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 20:08:10,460 INFO L470 AbstractCegarLoop]: Abstraction has 902 states and 2328 transitions. [2021-10-13 20:08:10,461 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) 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) [2021-10-13 20:08:10,461 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 2328 transitions. [2021-10-13 20:08:10,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-13 20:08:10,461 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 20:08:10,461 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-13 20:08:10,475 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-13 20:08:10,672 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-13 20:08:10,673 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 64 more)] === [2021-10-13 20:08:10,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 20:08:10,674 INFO L82 PathProgramCache]: Analyzing trace with hash 49611339, now seen corresponding path program 1 times [2021-10-13 20:08:10,675 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 20:08:10,675 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1378806658] [2021-10-13 20:08:10,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 20:08:10,675 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 20:08:10,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-13 20:08:10,677 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 20:08:10,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-13 20:08:10,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 20:08:10,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-13 20:08:10,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 20:08:10,828 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 0 case distinctions, treesize of input 17 treesize of output 16 [2021-10-13 20:08:10,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 20:08:10,861 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 20:08:10,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 20:08:10,968 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 20:08:10,968 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1378806658] [2021-10-13 20:08:10,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1378806658] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 20:08:10,968 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 20:08:10,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 4 [2021-10-13 20:08:10,969 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738522009] [2021-10-13 20:08:10,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 20:08:10,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 20:08:10,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 20:08:10,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 20:08:10,970 INFO L87 Difference]: Start difference. First operand 902 states and 2328 transitions. Second operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 5 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) [2021-10-13 20:08:11,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 20:08:11,976 INFO L93 Difference]: Finished difference Result 903 states and 2330 transitions. [2021-10-13 20:08:11,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 20:08:11,979 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 5 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 [2021-10-13 20:08:11,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 20:08:11,987 INFO L225 Difference]: With dead ends: 903 [2021-10-13 20:08:11,987 INFO L226 Difference]: Without dead ends: 903 [2021-10-13 20:08:11,988 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 119.1ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 20:08:11,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 903 states. [2021-10-13 20:08:12,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 903 to 903. [2021-10-13 20:08:12,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 903 states, 502 states have (on average 4.6414342629482075) internal successors, (2330), 902 states have internal predecessors, (2330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 20:08:12,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 903 states and 2330 transitions. [2021-10-13 20:08:12,021 INFO L78 Accepts]: Start accepts. Automaton has 903 states and 2330 transitions. Word has length 4 [2021-10-13 20:08:12,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 20:08:12,021 INFO L470 AbstractCegarLoop]: Abstraction has 903 states and 2330 transitions. [2021-10-13 20:08:12,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 5 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) [2021-10-13 20:08:12,022 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 2330 transitions. [2021-10-13 20:08:12,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-13 20:08:12,023 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 20:08:12,023 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-13 20:08:12,040 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-13 20:08:12,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-13 20:08:12,238 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 64 more)] === [2021-10-13 20:08:12,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 20:08:12,239 INFO L82 PathProgramCache]: Analyzing trace with hash 1537959252, now seen corresponding path program 1 times [2021-10-13 20:08:12,240 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 20:08:12,240 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1824911127] [2021-10-13 20:08:12,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 20:08:12,241 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 20:08:12,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-13 20:08:12,241 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 20:08:12,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-13 20:08:12,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 20:08:12,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-13 20:08:12,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 20:08:12,391 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 20:08:12,391 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 20:08:12,685 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 20:08:12,686 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 20:08:12,686 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1824911127] [2021-10-13 20:08:12,686 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1824911127] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-13 20:08:12,686 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-13 20:08:12,686 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 6 [2021-10-13 20:08:12,687 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524001176] [2021-10-13 20:08:12,687 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 20:08:12,687 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 20:08:12,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 20:08:12,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-13 20:08:12,688 INFO L87 Difference]: Start difference. First operand 903 states and 2330 transitions. Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 20:08:13,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 20:08:13,135 INFO L93 Difference]: Finished difference Result 903 states and 2329 transitions. [2021-10-13 20:08:13,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 20:08:13,137 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2021-10-13 20:08:13,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 20:08:13,144 INFO L225 Difference]: With dead ends: 903 [2021-10-13 20:08:13,144 INFO L226 Difference]: Without dead ends: 903 [2021-10-13 20:08:13,145 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 231.6ms TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-13 20:08:13,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 903 states. [2021-10-13 20:08:13,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 903 to 903. [2021-10-13 20:08:13,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 903 states, 502 states have (on average 4.639442231075697) internal successors, (2329), 902 states have internal predecessors, (2329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 20:08:13,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 903 states and 2329 transitions. [2021-10-13 20:08:13,177 INFO L78 Accepts]: Start accepts. Automaton has 903 states and 2329 transitions. Word has length 5 [2021-10-13 20:08:13,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 20:08:13,178 INFO L470 AbstractCegarLoop]: Abstraction has 903 states and 2329 transitions. [2021-10-13 20:08:13,191 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 20:08:13,191 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 2329 transitions. [2021-10-13 20:08:13,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-13 20:08:13,192 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 20:08:13,192 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-13 20:08:13,211 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-13 20:08:13,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-13 20:08:13,405 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 64 more)] === [2021-10-13 20:08:13,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 20:08:13,405 INFO L82 PathProgramCache]: Analyzing trace with hash 387175627, now seen corresponding path program 1 times [2021-10-13 20:08:13,406 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 20:08:13,406 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [763580480] [2021-10-13 20:08:13,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 20:08:13,406 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 20:08:13,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-13 20:08:13,409 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 20:08:13,446 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-13 20:08:13,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 20:08:13,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-13 20:08:13,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 20:08:13,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-10-13 20:08:13,616 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 20:08:13,616 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 20:08:13,937 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 20:08:13,938 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 20:08:13,938 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [763580480] [2021-10-13 20:08:13,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [763580480] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 20:08:13,939 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 20:08:13,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 6 [2021-10-13 20:08:13,939 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879143030] [2021-10-13 20:08:13,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-13 20:08:13,940 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 20:08:13,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 20:08:13,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-13 20:08:13,941 INFO L87 Difference]: Start difference. First operand 903 states and 2329 transitions. Second operand has 7 states, 6 states have (on average 2.0) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 20:08:17,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 20:08:17,043 INFO L93 Difference]: Finished difference Result 908 states and 2343 transitions. [2021-10-13 20:08:17,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 20:08:17,045 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.0) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-10-13 20:08:17,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 20:08:17,052 INFO L225 Difference]: With dead ends: 908 [2021-10-13 20:08:17,052 INFO L226 Difference]: Without dead ends: 908 [2021-10-13 20:08:17,053 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 544.0ms TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2021-10-13 20:08:17,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 908 states. [2021-10-13 20:08:17,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 908 to 908. [2021-10-13 20:08:17,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 908 states, 507 states have (on average 4.621301775147929) internal successors, (2343), 907 states have internal predecessors, (2343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 20:08:17,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 2343 transitions. [2021-10-13 20:08:17,082 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 2343 transitions. Word has length 6 [2021-10-13 20:08:17,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 20:08:17,082 INFO L470 AbstractCegarLoop]: Abstraction has 908 states and 2343 transitions. [2021-10-13 20:08:17,082 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.0) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 20:08:17,083 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 2343 transitions. [2021-10-13 20:08:17,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-13 20:08:17,083 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 20:08:17,083 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-13 20:08:17,095 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-13 20:08:17,295 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-13 20:08:17,296 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 64 more)] === [2021-10-13 20:08:17,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 20:08:17,297 INFO L82 PathProgramCache]: Analyzing trace with hash 387179881, now seen corresponding path program 1 times [2021-10-13 20:08:17,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 20:08:17,298 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [864677495] [2021-10-13 20:08:17,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 20:08:17,298 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 20:08:17,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-13 20:08:17,299 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 20:08:17,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-13 20:08:17,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 20:08:17,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-13 20:08:17,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 20:08:17,598 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 20:08:17,599 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 20:08:17,760 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 20:08:17,761 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 20:08:17,761 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [864677495] [2021-10-13 20:08:17,761 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [864677495] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 20:08:17,761 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 20:08:17,761 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-10-13 20:08:17,761 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054967432] [2021-10-13 20:08:17,762 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-13 20:08:17,762 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 20:08:17,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-13 20:08:17,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-10-13 20:08:17,763 INFO L87 Difference]: Start difference. First operand 908 states and 2343 transitions. Second operand has 10 states, 10 states have (on average 1.1) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 20:08:18,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 20:08:18,775 INFO L93 Difference]: Finished difference Result 1807 states and 4669 transitions. [2021-10-13 20:08:18,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 20:08:18,776 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.1) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-10-13 20:08:18,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 20:08:18,791 INFO L225 Difference]: With dead ends: 1807 [2021-10-13 20:08:18,792 INFO L226 Difference]: Without dead ends: 1807 [2021-10-13 20:08:18,792 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 296.9ms TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-10-13 20:08:18,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1807 states. [2021-10-13 20:08:18,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1807 to 908. [2021-10-13 20:08:18,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 908 states, 507 states have (on average 4.619329388560158) internal successors, (2342), 907 states have internal predecessors, (2342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 20:08:18,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 2342 transitions. [2021-10-13 20:08:18,831 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 2342 transitions. Word has length 6 [2021-10-13 20:08:18,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 20:08:18,832 INFO L470 AbstractCegarLoop]: Abstraction has 908 states and 2342 transitions. [2021-10-13 20:08:18,832 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.1) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 20:08:18,832 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 2342 transitions. [2021-10-13 20:08:18,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-13 20:08:18,832 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 20:08:18,833 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 20:08:18,845 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-13 20:08:19,044 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-13 20:08:19,045 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 64 more)] === [2021-10-13 20:08:19,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 20:08:19,045 INFO L82 PathProgramCache]: Analyzing trace with hash -882445454, now seen corresponding path program 1 times [2021-10-13 20:08:19,045 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 20:08:19,046 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1870892460] [2021-10-13 20:08:19,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 20:08:19,046 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 20:08:19,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-13 20:08:19,047 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 20:08:19,048 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-13 20:08:19,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 20:08:19,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 20:08:19,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 20:08:19,278 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 20:08:19,278 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 20:08:19,342 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 20:08:19,342 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 20:08:19,343 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1870892460] [2021-10-13 20:08:19,346 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1870892460] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 20:08:19,346 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 20:08:19,346 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-10-13 20:08:19,346 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423273914] [2021-10-13 20:08:19,347 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 20:08:19,347 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 20:08:19,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 20:08:19,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 20:08:19,348 INFO L87 Difference]: Start difference. First operand 908 states and 2342 transitions. Second operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 20:08:19,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 20:08:19,882 INFO L93 Difference]: Finished difference Result 908 states and 2341 transitions. [2021-10-13 20:08:19,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 20:08:19,884 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-10-13 20:08:19,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 20:08:19,891 INFO L225 Difference]: With dead ends: 908 [2021-10-13 20:08:19,891 INFO L226 Difference]: Without dead ends: 908 [2021-10-13 20:08:19,891 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 76.2ms TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-10-13 20:08:19,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 908 states. [2021-10-13 20:08:19,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 908 to 908. [2021-10-13 20:08:19,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 908 states, 507 states have (on average 4.617357001972387) internal successors, (2341), 907 states have internal predecessors, (2341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 20:08:19,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 2341 transitions. [2021-10-13 20:08:19,919 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 2341 transitions. Word has length 7 [2021-10-13 20:08:19,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 20:08:19,920 INFO L470 AbstractCegarLoop]: Abstraction has 908 states and 2341 transitions. [2021-10-13 20:08:19,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 20:08:19,920 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 2341 transitions. [2021-10-13 20:08:19,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-13 20:08:19,921 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 20:08:19,921 INFO L512 BasicCegarLoop]: trace histogram [6, 1, 1] [2021-10-13 20:08:19,941 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-13 20:08:20,133 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-13 20:08:20,134 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 64 more)] === [2021-10-13 20:08:20,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 20:08:20,135 INFO L82 PathProgramCache]: Analyzing trace with hash 1269622586, now seen corresponding path program 2 times [2021-10-13 20:08:20,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 20:08:20,136 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1205844267] [2021-10-13 20:08:20,136 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-13 20:08:20,137 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 20:08:20,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-13 20:08:20,138 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 20:08:20,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-13 20:08:20,258 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-13 20:08:20,258 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 20:08:20,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-13 20:08:20,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 20:08:20,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 20:08:20,466 INFO L354 Elim1Store]: treesize reduction 141, result has 26.9 percent of original size [2021-10-13 20:08:20,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 20 treesize of output 59 [2021-10-13 20:08:20,831 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 20:08:20,831 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 20:08:22,629 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 20:08:22,629 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 20:08:22,629 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1205844267] [2021-10-13 20:08:22,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1205844267] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 20:08:22,630 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 20:08:22,630 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-10-13 20:08:22,630 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805309381] [2021-10-13 20:08:22,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-13 20:08:22,631 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 20:08:22,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-13 20:08:22,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2021-10-13 20:08:22,632 INFO L87 Difference]: Start difference. First operand 908 states and 2341 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) [2021-10-13 20:08:49,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 20:08:49,990 INFO L93 Difference]: Finished difference Result 929 states and 2380 transitions. [2021-10-13 20:08:49,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-13 20:08:49,991 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 [2021-10-13 20:08:49,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 20:08:50,000 INFO L225 Difference]: With dead ends: 929 [2021-10-13 20:08:50,001 INFO L226 Difference]: Without dead ends: 929 [2021-10-13 20:08:50,001 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 7044.8ms TimeCoverageRelationStatistics Valid=206, Invalid=346, Unknown=0, NotChecked=0, Total=552 [2021-10-13 20:08:50,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 929 states. [2021-10-13 20:08:50,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 929 to 922. [2021-10-13 20:08:50,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 922 states, 521 states have (on average 4.5489443378119) internal successors, (2370), 921 states have internal predecessors, (2370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 20:08:50,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 922 states and 2370 transitions. [2021-10-13 20:08:50,028 INFO L78 Accepts]: Start accepts. Automaton has 922 states and 2370 transitions. Word has length 8 [2021-10-13 20:08:50,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 20:08:50,029 INFO L470 AbstractCegarLoop]: Abstraction has 922 states and 2370 transitions. [2021-10-13 20:08:50,029 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) [2021-10-13 20:08:50,029 INFO L276 IsEmpty]: Start isEmpty. Operand 922 states and 2370 transitions. [2021-10-13 20:08:50,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-13 20:08:50,030 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 20:08:50,031 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 20:08:50,044 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-13 20:08:50,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-13 20:08:50,231 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 64 more)] === [2021-10-13 20:08:50,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 20:08:50,232 INFO L82 PathProgramCache]: Analyzing trace with hash -1710919674, now seen corresponding path program 1 times [2021-10-13 20:08:50,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 20:08:50,233 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [137297424] [2021-10-13 20:08:50,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 20:08:50,234 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 20:08:50,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-13 20:08:50,235 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 20:08:50,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-13 20:08:50,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 20:08:50,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-13 20:08:50,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 20:08:50,557 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 20:08:50,557 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 20:08:50,734 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 20:08:50,734 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 20:08:50,734 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [137297424] [2021-10-13 20:08:50,751 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [137297424] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 20:08:50,751 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 20:08:50,751 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 9 [2021-10-13 20:08:50,752 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790756306] [2021-10-13 20:08:50,752 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-13 20:08:50,752 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 20:08:50,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-13 20:08:50,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2021-10-13 20:08:50,753 INFO L87 Difference]: Start difference. First operand 922 states and 2370 transitions. Second operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 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) [2021-10-13 20:08:52,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 20:08:52,264 INFO L93 Difference]: Finished difference Result 1813 states and 4676 transitions. [2021-10-13 20:08:52,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 20:08:52,266 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 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 [2021-10-13 20:08:52,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 20:08:52,278 INFO L225 Difference]: With dead ends: 1813 [2021-10-13 20:08:52,278 INFO L226 Difference]: Without dead ends: 1813 [2021-10-13 20:08:52,279 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 361.0ms TimeCoverageRelationStatistics Valid=76, Invalid=134, Unknown=0, NotChecked=0, Total=210 [2021-10-13 20:08:52,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1813 states. [2021-10-13 20:08:52,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1813 to 922. [2021-10-13 20:08:52,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 922 states, 521 states have (on average 4.543186180422265) internal successors, (2367), 921 states have internal predecessors, (2367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 20:08:52,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 922 states and 2367 transitions. [2021-10-13 20:08:52,314 INFO L78 Accepts]: Start accepts. Automaton has 922 states and 2367 transitions. Word has length 8 [2021-10-13 20:08:52,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 20:08:52,315 INFO L470 AbstractCegarLoop]: Abstraction has 922 states and 2367 transitions. [2021-10-13 20:08:52,315 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 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) [2021-10-13 20:08:52,315 INFO L276 IsEmpty]: Start isEmpty. Operand 922 states and 2367 transitions. [2021-10-13 20:08:52,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 20:08:52,316 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 20:08:52,316 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 20:08:52,333 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-13 20:08:52,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-13 20:08:52,528 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 64 more)] === [2021-10-13 20:08:52,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 20:08:52,529 INFO L82 PathProgramCache]: Analyzing trace with hash -1498899366, now seen corresponding path program 1 times [2021-10-13 20:08:52,530 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 20:08:52,530 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1015497445] [2021-10-13 20:08:52,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 20:08:52,531 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 20:08:52,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-13 20:08:52,532 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 20:08:52,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-10-13 20:08:52,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 20:08:52,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 18 conjunts are in the unsatisfiable core [2021-10-13 20:08:52,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 20:08:52,973 INFO L354 Elim1Store]: treesize reduction 151, result has 21.8 percent of original size [2021-10-13 20:08:52,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 66 treesize of output 94 [2021-10-13 20:08:52,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 20:08:53,166 INFO L354 Elim1Store]: treesize reduction 210, result has 19.5 percent of original size [2021-10-13 20:08:53,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 6 case distinctions, treesize of input 116 treesize of output 148 [2021-10-13 20:08:54,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 20:08:54,250 INFO L354 Elim1Store]: treesize reduction 60, result has 25.0 percent of original size [2021-10-13 20:08:54,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 83 treesize of output 91 [2021-10-13 20:08:54,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 20:08:54,343 INFO L354 Elim1Store]: treesize reduction 54, result has 44.9 percent of original size [2021-10-13 20:08:54,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 85 treesize of output 119 [2021-10-13 20:09:02,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 20:09:02,697 INFO L354 Elim1Store]: treesize reduction 92, result has 21.4 percent of original size [2021-10-13 20:09:02,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 159 treesize of output 170 [2021-10-13 20:09:02,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 20:09:02,878 INFO L354 Elim1Store]: treesize reduction 93, result has 37.6 percent of original size [2021-10-13 20:09:02,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 13 case distinctions, treesize of input 156 treesize of output 200 [2021-10-13 20:09:30,386 INFO L354 Elim1Store]: treesize reduction 100, result has 20.0 percent of original size [2021-10-13 20:09:30,387 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 241 treesize of output 252 [2021-10-13 20:09:30,556 INFO L354 Elim1Store]: treesize reduction 64, result has 47.1 percent of original size [2021-10-13 20:09:30,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 238 treesize of output 282 [2021-10-13 20:10:41,248 WARN L207 SmtUtils]: Spent 24.36 s on a formula simplification that was a NOOP. DAG size: 118 [2021-10-13 20:10:46,378 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-13 20:10:46,378 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 20:10:53,591 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-13 20:10:53,592 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 20:10:53,592 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1015497445] [2021-10-13 20:10:53,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1015497445] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 20:10:53,592 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 20:10:53,592 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 8 [2021-10-13 20:10:53,593 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785665153] [2021-10-13 20:10:53,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-13 20:10:53,593 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 20:10:53,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-13 20:10:53,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=52, Unknown=4, NotChecked=0, Total=90 [2021-10-13 20:10:53,594 INFO L87 Difference]: Start difference. First operand 922 states and 2367 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) [2021-10-13 20:12:17,438 WARN L207 SmtUtils]: Spent 1.16 m on a formula simplification. DAG size of input: 189 DAG size of output: 187 [2021-10-13 20:12:22,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 20:12:22,720 INFO L93 Difference]: Finished difference Result 540 states and 1241 transitions. [2021-10-13 20:12:22,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 20:12:22,725 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 [2021-10-13 20:12:22,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 20:12:22,728 INFO L225 Difference]: With dead ends: 540 [2021-10-13 20:12:22,728 INFO L226 Difference]: Without dead ends: 540 [2021-10-13 20:12:22,728 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 110361.3ms TimeCoverageRelationStatistics Valid=54, Invalid=72, Unknown=6, NotChecked=0, Total=132 [2021-10-13 20:12:22,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2021-10-13 20:12:22,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 540. [2021-10-13 20:12:22,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 375 states have (on average 3.3093333333333335) internal successors, (1241), 539 states have internal predecessors, (1241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 20:12:22,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 1241 transitions. [2021-10-13 20:12:22,746 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 1241 transitions. Word has length 9 [2021-10-13 20:12:22,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 20:12:22,746 INFO L470 AbstractCegarLoop]: Abstraction has 540 states and 1241 transitions. [2021-10-13 20:12:22,746 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) [2021-10-13 20:12:22,747 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 1241 transitions. [2021-10-13 20:12:22,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 20:12:22,748 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 20:12:22,748 INFO L512 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1] [2021-10-13 20:12:22,766 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-10-13 20:12:22,961 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-13 20:12:22,962 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 64 more)] === [2021-10-13 20:12:22,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 20:12:22,963 INFO L82 PathProgramCache]: Analyzing trace with hash 774827336, now seen corresponding path program 1 times [2021-10-13 20:12:22,963 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 20:12:22,964 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [94757896] [2021-10-13 20:12:22,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 20:12:22,964 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 20:12:22,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-13 20:12:22,965 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 20:12:22,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-10-13 20:12:23,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 20:12:23,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-13 20:12:23,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 20:12:23,263 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 20 treesize of output 19 [2021-10-13 20:12:23,441 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 20:12:23,442 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 20:12:25,244 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 20:12:25,245 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 20:12:25,245 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [94757896] [2021-10-13 20:12:25,245 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [94757896] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 20:12:25,245 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 20:12:25,245 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 16 [2021-10-13 20:12:25,245 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466470112] [2021-10-13 20:12:25,245 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-13 20:12:25,246 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 20:12:25,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-13 20:12:25,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2021-10-13 20:12:25,247 INFO L87 Difference]: Start difference. First operand 540 states and 1241 transitions. Second operand has 17 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 16 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 20:12:31,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 20:12:31,469 INFO L93 Difference]: Finished difference Result 1583 states and 3655 transitions. [2021-10-13 20:12:31,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-13 20:12:31,473 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 16 states have internal predecessors, (20), 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 10 [2021-10-13 20:12:31,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 20:12:31,483 INFO L225 Difference]: With dead ends: 1583 [2021-10-13 20:12:31,484 INFO L226 Difference]: Without dead ends: 1583 [2021-10-13 20:12:31,484 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 3120.9ms TimeCoverageRelationStatistics Valid=128, Invalid=472, Unknown=0, NotChecked=0, Total=600 [2021-10-13 20:12:31,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1583 states. [2021-10-13 20:12:31,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1583 to 570. [2021-10-13 20:12:31,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 570 states, 405 states have (on average 3.2098765432098766) internal successors, (1300), 569 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 20:12:31,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 1300 transitions. [2021-10-13 20:12:31,512 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 1300 transitions. Word has length 10 [2021-10-13 20:12:31,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 20:12:31,512 INFO L470 AbstractCegarLoop]: Abstraction has 570 states and 1300 transitions. [2021-10-13 20:12:31,512 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 16 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 20:12:31,513 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 1300 transitions. [2021-10-13 20:12:31,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 20:12:31,514 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 20:12:31,514 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 20:12:31,532 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-10-13 20:12:31,727 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-13 20:12:31,728 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 64 more)] === [2021-10-13 20:12:31,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 20:12:31,728 INFO L82 PathProgramCache]: Analyzing trace with hash 778762716, now seen corresponding path program 1 times [2021-10-13 20:12:31,729 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 20:12:31,730 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1523074764] [2021-10-13 20:12:31,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 20:12:31,730 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 20:12:31,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-13 20:12:31,732 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) [2021-10-13 20:12:31,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-10-13 20:12:31,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 20:12:31,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-13 20:12:31,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 20:12:31,989 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 [2021-10-13 20:12:32,121 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-13 20:12:32,121 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 20:12:32,691 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-13 20:12:32,691 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 20:12:32,691 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1523074764] [2021-10-13 20:12:32,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1523074764] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 20:12:32,692 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 20:12:32,692 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2021-10-13 20:12:32,692 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999421404] [2021-10-13 20:12:32,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-13 20:12:32,693 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 20:12:32,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-13 20:12:32,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-13 20:12:32,694 INFO L87 Difference]: Start difference. First operand 570 states and 1300 transitions. Second operand has 9 states, 8 states have (on average 2.25) 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) [2021-10-13 20:12:41,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 20:12:41,432 INFO L93 Difference]: Finished difference Result 2572 states and 5980 transitions. [2021-10-13 20:12:41,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 20:12:41,435 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.25) 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 10 [2021-10-13 20:12:41,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 20:12:41,448 INFO L225 Difference]: With dead ends: 2572 [2021-10-13 20:12:41,448 INFO L226 Difference]: Without dead ends: 2572 [2021-10-13 20:12:41,449 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1243.3ms TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2021-10-13 20:12:41,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2572 states. [2021-10-13 20:12:41,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2572 to 574. [2021-10-13 20:12:41,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 574 states, 409 states have (on average 3.198044009779951) internal successors, (1308), 573 states have internal predecessors, (1308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 20:12:41,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 1308 transitions. [2021-10-13 20:12:41,479 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 1308 transitions. Word has length 10 [2021-10-13 20:12:41,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 20:12:41,479 INFO L470 AbstractCegarLoop]: Abstraction has 574 states and 1308 transitions. [2021-10-13 20:12:41,479 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.25) 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) [2021-10-13 20:12:41,479 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 1308 transitions. [2021-10-13 20:12:41,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 20:12:41,480 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 20:12:41,480 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 20:12:41,496 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-10-13 20:12:41,694 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 [2021-10-13 20:12:41,694 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 64 more)] === [2021-10-13 20:12:41,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 20:12:41,695 INFO L82 PathProgramCache]: Analyzing trace with hash -1628210435, now seen corresponding path program 1 times [2021-10-13 20:12:41,696 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 20:12:41,696 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [611329607] [2021-10-13 20:12:41,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 20:12:41,697 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 20:12:41,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-13 20:12:41,698 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) [2021-10-13 20:12:41,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-10-13 20:12:41,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 20:12:42,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-13 20:12:42,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 20:12:42,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 20:12:42,196 INFO L354 Elim1Store]: treesize reduction 210, result has 19.5 percent of original size [2021-10-13 20:12:42,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 209 treesize of output 235 [2021-10-13 20:12:45,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 20:12:45,221 INFO L354 Elim1Store]: treesize reduction 130, result has 42.7 percent of original size [2021-10-13 20:12:45,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 20 case distinctions, treesize of input 89 treesize of output 172 [2021-10-13 20:13:01,230 INFO L354 Elim1Store]: treesize reduction 230, result has 23.8 percent of original size [2021-10-13 20:13:01,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 28 case distinctions, treesize of input 207 treesize of output 257 [2021-10-13 20:14:01,900 INFO L354 Elim1Store]: treesize reduction 297, result has 21.2 percent of original size [2021-10-13 20:14:01,901 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 36 case distinctions, treesize of input 294 treesize of output 350 [2021-10-13 20:16:00,500 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-13 20:16:00,500 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 20:16:00,723 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-13 20:16:00,723 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 20:16:00,723 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [611329607] [2021-10-13 20:16:00,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [611329607] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 20:16:00,724 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 20:16:00,724 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 2] imperfect sequences [] total 6 [2021-10-13 20:16:00,724 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543423265] [2021-10-13 20:16:00,724 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 20:16:00,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 20:16:00,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 20:16:00,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=29, Unknown=4, NotChecked=0, Total=56 [2021-10-13 20:16:00,725 INFO L87 Difference]: Start difference. First operand 574 states and 1308 transitions. Second operand has 8 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 20:16:09,420 WARN L207 SmtUtils]: Spent 8.42 s on a formula simplification. DAG size of input: 243 DAG size of output: 224 [2021-10-13 20:18:06,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 20:18:06,713 INFO L93 Difference]: Finished difference Result 545 states and 1250 transitions. [2021-10-13 20:18:06,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 20:18:06,722 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-10-13 20:18:06,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 20:18:06,725 INFO L225 Difference]: With dead ends: 545 [2021-10-13 20:18:06,726 INFO L226 Difference]: Without dead ends: 545 [2021-10-13 20:18:06,726 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 37287.8ms TimeCoverageRelationStatistics Valid=47, Invalid=53, Unknown=10, NotChecked=0, Total=110 [2021-10-13 20:18:06,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2021-10-13 20:18:06,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 545. [2021-10-13 20:18:06,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 545 states, 402 states have (on average 3.109452736318408) internal successors, (1250), 544 states have internal predecessors, (1250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 20:18:06,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 1250 transitions. [2021-10-13 20:18:06,741 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 1250 transitions. Word has length 11 [2021-10-13 20:18:06,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 20:18:06,743 INFO L470 AbstractCegarLoop]: Abstraction has 545 states and 1250 transitions. [2021-10-13 20:18:06,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 20:18:06,743 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 1250 transitions. [2021-10-13 20:18:06,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 20:18:06,744 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 20:18:06,744 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 20:18:06,761 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-10-13 20:18:06,944 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 [2021-10-13 20:18:06,945 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 64 more)] === [2021-10-13 20:18:06,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 20:18:06,946 INFO L82 PathProgramCache]: Analyzing trace with hash -1628210434, now seen corresponding path program 1 times [2021-10-13 20:18:06,946 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 20:18:06,947 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [652293944] [2021-10-13 20:18:06,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 20:18:06,947 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 20:18:06,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-13 20:18:06,948 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) [2021-10-13 20:18:06,958 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-10-13 20:18:07,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 20:18:07,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-13 20:18:07,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 20:18:07,646 INFO L354 Elim1Store]: treesize reduction 155, result has 19.7 percent of original size [2021-10-13 20:18:07,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 44 treesize of output 68 [2021-10-13 20:18:07,653 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 95 treesize of output 93 [2021-10-13 20:18:10,226 INFO L354 Elim1Store]: treesize reduction 64, result has 27.3 percent of original size [2021-10-13 20:18:10,226 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 37 treesize of output 53 [2021-10-13 20:18:12,303 INFO L354 Elim1Store]: treesize reduction 76, result has 39.2 percent of original size [2021-10-13 20:18:12,304 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 [2021-10-13 20:18:23,753 INFO L354 Elim1Store]: treesize reduction 76, result has 39.2 percent of original size [2021-10-13 20:18:23,754 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 134 [2021-10-13 20:18:38,728 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 20:18:38,728 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [652293944] [2021-10-13 20:18:38,729 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: No corresponding IProgramVar for v_ULTIMATE.start_create_fresh_int_array_~size_151 [2021-10-13 20:18:38,729 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [92471812] [2021-10-13 20:18:38,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 20:18:38,730 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 20:18:38,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 [2021-10-13 20:18:38,731 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) [2021-10-13 20:18:38,732 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 [2021-10-13 20:18:39,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 20:18:39,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-13 20:18:39,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 20:18:39,561 INFO L354 Elim1Store]: treesize reduction 145, result has 24.9 percent of original size [2021-10-13 20:18:39,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 58 [2021-10-13 20:18:40,683 INFO L354 Elim1Store]: treesize reduction 84, result has 36.8 percent of original size [2021-10-13 20:18:40,684 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 55 treesize of output 94 [2021-10-13 20:19:01,337 INFO L354 Elim1Store]: treesize reduction 76, result has 39.2 percent of original size [2021-10-13 20:19:01,338 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 112 treesize of output 141 Received shutdown request... [2021-10-13 20:20:08,561 WARN L223 SmtUtils]: Removed 1 from assertion stack [2021-10-13 20:20:08,563 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr11REQUIRES_VIOLATION [2021-10-13 20:20:08,567 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (18)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-13 20:20:08,572 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-13 20:20:08,584 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-10-13 20:20:08,590 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-13 20:20:08,779 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2021-10-13 20:20:08,972 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 [2021-10-13 20:20:08,973 WARN L594 AbstractCegarLoop]: Verification canceled: while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 1ms.. [2021-10-13 20:20:08,976 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err0REQUIRES_VIOLATION [2021-10-13 20:20:08,976 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err1REQUIRES_VIOLATION [2021-10-13 20:20:08,976 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err2REQUIRES_VIOLATION [2021-10-13 20:20:08,976 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err3REQUIRES_VIOLATION [2021-10-13 20:20:08,976 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err4REQUIRES_VIOLATION [2021-10-13 20:20:08,977 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err5REQUIRES_VIOLATION [2021-10-13 20:20:08,977 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err6REQUIRES_VIOLATION [2021-10-13 20:20:08,977 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err7REQUIRES_VIOLATION [2021-10-13 20:20:08,977 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err8REQUIRES_VIOLATION [2021-10-13 20:20:08,977 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err9REQUIRES_VIOLATION [2021-10-13 20:20:08,977 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err10REQUIRES_VIOLATION [2021-10-13 20:20:08,977 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err11REQUIRES_VIOLATION [2021-10-13 20:20:08,977 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err0REQUIRES_VIOLATION [2021-10-13 20:20:08,978 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err1REQUIRES_VIOLATION [2021-10-13 20:20:08,978 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err2REQUIRES_VIOLATION [2021-10-13 20:20:08,978 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err3REQUIRES_VIOLATION [2021-10-13 20:20:08,978 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err4REQUIRES_VIOLATION [2021-10-13 20:20:08,978 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err5REQUIRES_VIOLATION [2021-10-13 20:20:08,978 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err6REQUIRES_VIOLATION [2021-10-13 20:20:08,978 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err7REQUIRES_VIOLATION [2021-10-13 20:20:08,978 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err8REQUIRES_VIOLATION [2021-10-13 20:20:08,979 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err9REQUIRES_VIOLATION [2021-10-13 20:20:08,979 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err10REQUIRES_VIOLATION [2021-10-13 20:20:08,979 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err11REQUIRES_VIOLATION [2021-10-13 20:20:08,979 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0REQUIRES_VIOLATION [2021-10-13 20:20:08,979 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1REQUIRES_VIOLATION [2021-10-13 20:20:08,979 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2REQUIRES_VIOLATION [2021-10-13 20:20:08,979 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3REQUIRES_VIOLATION [2021-10-13 20:20:08,979 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4REQUIRES_VIOLATION [2021-10-13 20:20:08,979 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5REQUIRES_VIOLATION [2021-10-13 20:20:08,980 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr6REQUIRES_VIOLATION [2021-10-13 20:20:08,980 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr7REQUIRES_VIOLATION [2021-10-13 20:20:08,980 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr8REQUIRES_VIOLATION [2021-10-13 20:20:08,980 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr9REQUIRES_VIOLATION [2021-10-13 20:20:08,980 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr10REQUIRES_VIOLATION [2021-10-13 20:20:08,980 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr12REQUIRES_VIOLATION [2021-10-13 20:20:08,980 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr13REQUIRES_VIOLATION [2021-10-13 20:20:08,980 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr14REQUIRES_VIOLATION [2021-10-13 20:20:08,981 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr15REQUIRES_VIOLATION [2021-10-13 20:20:08,981 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 20:20:08,981 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 20:20:08,981 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-13 20:20:08,981 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-13 20:20:08,981 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err0REQUIRES_VIOLATION [2021-10-13 20:20:08,981 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err1REQUIRES_VIOLATION [2021-10-13 20:20:08,982 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err2REQUIRES_VIOLATION [2021-10-13 20:20:08,982 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err3REQUIRES_VIOLATION [2021-10-13 20:20:08,982 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err4REQUIRES_VIOLATION [2021-10-13 20:20:08,982 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err5REQUIRES_VIOLATION [2021-10-13 20:20:08,982 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err6REQUIRES_VIOLATION [2021-10-13 20:20:08,982 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err7REQUIRES_VIOLATION [2021-10-13 20:20:08,982 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err8REQUIRES_VIOLATION [2021-10-13 20:20:08,982 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err9REQUIRES_VIOLATION [2021-10-13 20:20:08,982 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err10REQUIRES_VIOLATION [2021-10-13 20:20:08,983 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err11REQUIRES_VIOLATION [2021-10-13 20:20:08,983 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err0REQUIRES_VIOLATION [2021-10-13 20:20:08,983 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err1REQUIRES_VIOLATION [2021-10-13 20:20:08,983 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err2REQUIRES_VIOLATION [2021-10-13 20:20:08,983 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err3REQUIRES_VIOLATION [2021-10-13 20:20:08,983 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err4REQUIRES_VIOLATION [2021-10-13 20:20:08,983 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err5REQUIRES_VIOLATION [2021-10-13 20:20:08,983 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err6REQUIRES_VIOLATION [2021-10-13 20:20:08,983 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err7REQUIRES_VIOLATION [2021-10-13 20:20:08,984 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err8REQUIRES_VIOLATION [2021-10-13 20:20:08,984 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err9REQUIRES_VIOLATION [2021-10-13 20:20:08,984 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err10REQUIRES_VIOLATION [2021-10-13 20:20:08,984 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err11REQUIRES_VIOLATION [2021-10-13 20:20:08,991 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-13 20:20:08,992 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 20:20:08,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:20:08 BasicIcfg [2021-10-13 20:20:08,994 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 20:20:08,995 INFO L168 Benchmark]: Toolchain (without parser) took 829487.02 ms. Allocated memory was 159.4 MB in the beginning and 191.9 MB in the end (delta: 32.5 MB). Free memory was 135.0 MB in the beginning and 77.9 MB in the end (delta: 57.1 MB). Peak memory consumption was 144.3 MB. Max. memory is 8.0 GB. [2021-10-13 20:20:08,995 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 159.4 MB. Free memory is still 130.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-13 20:20:08,996 INFO L168 Benchmark]: CACSL2BoogieTranslator took 496.84 ms. Allocated memory is still 159.4 MB. Free memory was 134.7 MB in the beginning and 120.1 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-10-13 20:20:08,996 INFO L168 Benchmark]: Boogie Procedure Inliner took 118.36 ms. Allocated memory is still 159.4 MB. Free memory was 120.1 MB in the beginning and 117.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-13 20:20:08,997 INFO L168 Benchmark]: Boogie Preprocessor took 95.49 ms. Allocated memory is still 159.4 MB. Free memory was 117.4 MB in the beginning and 115.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-13 20:20:08,997 INFO L168 Benchmark]: RCFGBuilder took 1354.25 ms. Allocated memory is still 159.4 MB. Free memory was 115.1 MB in the beginning and 121.6 MB in the end (delta: -6.6 MB). Peak memory consumption was 14.9 MB. Max. memory is 8.0 GB. [2021-10-13 20:20:08,997 INFO L168 Benchmark]: TraceAbstraction took 827405.84 ms. Allocated memory was 159.4 MB in the beginning and 191.9 MB in the end (delta: 32.5 MB). Free memory was 121.1 MB in the beginning and 77.9 MB in the end (delta: 43.3 MB). Peak memory consumption was 129.4 MB. Max. memory is 8.0 GB. [2021-10-13 20:20:08,999 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 159.4 MB. Free memory is still 130.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 496.84 ms. Allocated memory is still 159.4 MB. Free memory was 134.7 MB in the beginning and 120.1 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 118.36 ms. Allocated memory is still 159.4 MB. Free memory was 120.1 MB in the beginning and 117.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 95.49 ms. Allocated memory is still 159.4 MB. Free memory was 117.4 MB in the beginning and 115.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1354.25 ms. Allocated memory is still 159.4 MB. Free memory was 115.1 MB in the beginning and 121.6 MB in the end (delta: -6.6 MB). Peak memory consumption was 14.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 827405.84 ms. Allocated memory was 159.4 MB in the beginning and 191.9 MB in the end (delta: 32.5 MB). Free memory was 121.1 MB in the beginning and 77.9 MB in the end (delta: 43.3 MB). Peak memory consumption was 129.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 96947.2ms, 369 PlacesBefore, 71 PlacesAfterwards, 398 TransitionsBefore, 70 TransitionsAfterwards, 12696 CoEnabledTransitionPairs, 8 FixpointIterations, 213 TrivialSequentialCompositions, 160 ConcurrentSequentialCompositions, 59 TrivialYvCompositions, 33 ConcurrentYvCompositions, 30 ChoiceCompositions, 495 TotalNumberOfCompositions, 16954 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 13529, positive: 13381, positive conditional: 0, positive unconditional: 13381, negative: 148, negative conditional: 0, negative unconditional: 148, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8519, positive: 8489, positive conditional: 0, positive unconditional: 8489, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8519, positive: 8489, positive conditional: 0, positive unconditional: 8489, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1446, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1446, negative conditional: 0, negative unconditional: 1446, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 13529, positive: 4892, positive conditional: 0, positive unconditional: 4892, negative: 118, negative conditional: 0, negative unconditional: 118, unknown: 8519, unknown conditional: 0, unknown unconditional: 8519] , Statistics on independence cache: Total cache size (in pairs): 189, Positive cache size: 176, Positive conditional cache size: 0, Positive unconditional cache size: 176, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 88]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 1ms.. - TimeoutResultAtElement [Line: 50]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 1ms.. - TimeoutResultAtElement [Line: 50]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 1ms.. - TimeoutResultAtElement [Line: 51]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 1ms.. - TimeoutResultAtElement [Line: 51]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 1ms.. - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 1ms.. - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 1ms.. - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 1ms.. - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 1ms.. - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 1ms.. - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 1ms.. - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 1ms.. - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 1ms.. - TimeoutResultAtElement [Line: 58]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 1ms.. - TimeoutResultAtElement [Line: 58]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 1ms.. - TimeoutResultAtElement [Line: 59]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 1ms.. - TimeoutResultAtElement [Line: 59]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 1ms.. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 1ms.. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 1ms.. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 1ms.. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 1ms.. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 1ms.. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 1ms.. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 1ms.. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 1ms.. - TimeoutResultAtElement [Line: 104]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 1ms.. - TimeoutResultAtElement [Line: 104]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 1ms.. - TimeoutResultAtElement [Line: 104]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 1ms.. - TimeoutResultAtElement [Line: 104]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 1ms.. - TimeoutResultAtElement [Line: 115]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 1ms.. - TimeoutResultAtElement [Line: 115]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 1ms.. - TimeoutResultAtElement [Line: 115]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 1ms.. - TimeoutResultAtElement [Line: 115]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 1ms.. - TimeoutResultAtElement [Line: 87]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 1ms.. - TimeoutResultAtElement [Line: 87]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 1ms.. - TimeoutResultAtElement [Line: 88]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 1ms.. - TimeoutResultAtElement [Line: 89]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 1ms.. - TimeoutResultAtElement [Line: 89]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 1ms.. - TimeoutResultAtElement [Line: 90]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 1ms.. - TimeoutResultAtElement [Line: 90]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 1ms.. - TimeoutResultAtElement [Line: 93]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 1ms.. - TimeoutResultAtElement [Line: 66]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 1ms.. - TimeoutResultAtElement [Line: 88]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 1ms.. - TimeoutResultAtElement [Line: 87]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 12 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 1ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 493 locations, 68 error locations. Started 1 CEGAR loops. OverallTime: 827193.2ms, OverallIterations: 16, TraceHistogramMax: 6, EmptinessCheckTime: 32.2ms, AutomataDifference: 272942.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 97061.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 496 SDtfs, 2186 SDslu, 897 SDs, 0 SdLazy, 2506 SolverSat, 342 SolverUnsat, 53 SolverUnknown, 0 SolverNotchecked, 156693.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 208 GetRequests, 66 SyntacticMatches, 4 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 161829.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1215occurred in iteration=0, InterpolantAutomatonStates: 109, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 578.8ms AutomataMinimizationTime, 15 MinimizatonAttempts, 4815 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 189.9ms SsaConstructionTime, 847.5ms SatisfiabilityAnalysisTime, 329142.2ms InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 162 ConstructedInterpolants, 28 QuantifiedInterpolants, 6355 SizeOfPredicates, 88 NumberOfNonLiveVariables, 1356 ConjunctsInSsa, 176 ConjunctsInUnsatCore, 30 InterpolantComputations, 15 PerfectInterpolantSequences, 39/118 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown