/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/popl20-more-vector-add.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-8c2bbc9 [2021-10-08 17:56:38,578 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-08 17:56:38,582 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-08 17:56:38,642 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-08 17:56:38,670 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-08 17:56:38,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-08 17:56:38,675 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-08 17:56:38,679 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-08 17:56:38,681 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-08 17:56:38,682 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-08 17:56:38,689 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-08 17:56:38,697 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-08 17:56:38,699 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-08 17:56:38,700 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-08 17:56:38,716 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-08 17:56:38,718 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-08 17:56:38,727 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-08 17:56:38,732 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-08 17:56:38,733 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-08 17:56:38,735 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-08 17:56:38,736 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-08 17:56:38,738 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-08 17:56:38,738 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-08 17:56:38,739 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-08 17:56:38,739 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-08 17:56:38,740 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-08 17:56:38,741 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-08 17:56:38,742 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-08 17:56:38,749 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-08 17:56:38,796 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-08 17:56:38,796 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-08 17:56:38,797 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-08 17:56:38,797 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-08 17:56:38,801 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-08 17:56:38,801 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-08 17:56:38,801 INFO L138 SettingsManager]: * Use SBE=true [2021-10-08 17:56:38,802 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-08 17:56:38,802 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-08 17:56:38,803 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-08 17:56:38,804 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-08 17:56:38,804 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-08 17:56:38,804 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-08 17:56:38,804 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-08 17:56:38,805 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-08 17:56:38,805 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-08 17:56:38,805 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-08 17:56:38,806 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-08 17:56:38,806 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-08 17:56:38,806 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-08 17:56:38,806 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-08 17:56:38,806 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-08 17:56:38,807 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-08 17:56:38,807 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-08 17:56:38,807 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-08 17:56:38,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-08 17:56:38,807 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-08 17:56:38,808 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-08 17:56:38,808 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-08 17:56:38,808 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-08 17:56:38,808 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-08 17:56:38,808 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-08 17:56:38,809 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-08 17:56:39,196 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-08 17:56:39,230 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-08 17:56:39,233 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-08 17:56:39,235 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-08 17:56:39,235 INFO L275 PluginConnector]: CDTParser initialized [2021-10-08 17:56:39,236 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-more-vector-add.wvr.c [2021-10-08 17:56:39,323 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/23db5d1fc/6037066f8a6e44bd8948f87a239cd61e/FLAG2ce6e87a3 [2021-10-08 17:56:40,059 INFO L306 CDTParser]: Found 1 translation units. [2021-10-08 17:56:40,060 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-vector-add.wvr.c [2021-10-08 17:56:40,070 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/23db5d1fc/6037066f8a6e44bd8948f87a239cd61e/FLAG2ce6e87a3 [2021-10-08 17:56:40,387 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/23db5d1fc/6037066f8a6e44bd8948f87a239cd61e [2021-10-08 17:56:40,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-08 17:56:40,400 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-08 17:56:40,402 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-08 17:56:40,402 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-08 17:56:40,406 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-08 17:56:40,407 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.10 05:56:40" (1/1) ... [2021-10-08 17:56:40,408 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73f8bc40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 05:56:40, skipping insertion in model container [2021-10-08 17:56:40,408 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.10 05:56:40" (1/1) ... [2021-10-08 17:56:40,417 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-08 17:56:40,438 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-08 17:56:40,635 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/popl20-more-vector-add.wvr.c[2586,2599] [2021-10-08 17:56:40,646 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-08 17:56:40,665 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-08 17:56:40,671 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-08 17:56:40,690 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/popl20-more-vector-add.wvr.c[2586,2599] [2021-10-08 17:56:40,699 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-08 17:56:40,712 INFO L203 MainTranslator]: Completed pre-run [2021-10-08 17:56:40,778 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/popl20-more-vector-add.wvr.c[2586,2599] [2021-10-08 17:56:40,791 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-08 17:56:40,824 INFO L208 MainTranslator]: Completed translation [2021-10-08 17:56:40,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 05:56:40 WrapperNode [2021-10-08 17:56:40,825 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-08 17:56:40,826 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-08 17:56:40,826 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-08 17:56:40,826 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-08 17:56:40,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 05:56:40" (1/1) ... [2021-10-08 17:56:40,871 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 05:56:40" (1/1) ... [2021-10-08 17:56:40,927 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-08 17:56:40,929 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-08 17:56:40,929 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-08 17:56:40,930 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-08 17:56:40,941 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 05:56:40" (1/1) ... [2021-10-08 17:56:40,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 05:56:40" (1/1) ... [2021-10-08 17:56:40,954 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 05:56:40" (1/1) ... [2021-10-08 17:56:40,955 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 05:56:40" (1/1) ... [2021-10-08 17:56:40,977 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 05:56:40" (1/1) ... [2021-10-08 17:56:40,984 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 05:56:40" (1/1) ... [2021-10-08 17:56:40,987 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 05:56:40" (1/1) ... [2021-10-08 17:56:40,992 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-08 17:56:40,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-08 17:56:40,994 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-08 17:56:40,994 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-08 17:56:40,995 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 05:56:40" (1/1) ... [2021-10-08 17:56:41,005 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-08 17:56:41,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 17:56:41,043 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-08 17:56:41,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-08 17:56:41,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-08 17:56:41,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-08 17:56:41,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-08 17:56:41,130 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-08 17:56:41,131 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-08 17:56:41,131 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-08 17:56:41,133 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-08 17:56:41,134 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-08 17:56:41,134 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-08 17:56:41,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-08 17:56:41,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-08 17:56:41,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-08 17:56:41,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-08 17:56:41,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-08 17:56:41,137 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-08 17:56:42,252 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-08 17:56:42,253 INFO L299 CfgBuilder]: Removed 41 assume(true) statements. [2021-10-08 17:56:42,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 05:56:42 BoogieIcfgContainer [2021-10-08 17:56:42,256 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-08 17:56:42,258 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-08 17:56:42,258 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-08 17:56:42,262 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-08 17:56:42,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.10 05:56:40" (1/3) ... [2021-10-08 17:56:42,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75d08b00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 05:56:42, skipping insertion in model container [2021-10-08 17:56:42,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 05:56:40" (2/3) ... [2021-10-08 17:56:42,264 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75d08b00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 05:56:42, skipping insertion in model container [2021-10-08 17:56:42,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 05:56:42" (3/3) ... [2021-10-08 17:56:42,266 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-more-vector-add.wvr.c [2021-10-08 17:56:42,272 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-08 17:56:42,272 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2021-10-08 17:56:42,272 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-08 17:56:42,319 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,320 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,320 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,320 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,321 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,321 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,321 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,321 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,322 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,322 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,322 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,322 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,322 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,323 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,323 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,325 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,325 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,326 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,326 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,326 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,327 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,327 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,327 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,327 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,327 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,328 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,328 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,328 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,329 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,329 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,329 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,329 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,329 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,330 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,330 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,330 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,330 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,330 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,331 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,331 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,331 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,331 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,331 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,331 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,332 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,332 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,332 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,332 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,333 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,333 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,333 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,333 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,333 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,334 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,334 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,334 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,334 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,334 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,335 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,335 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,335 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,335 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,336 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,336 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,336 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,337 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,337 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,337 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,337 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,337 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,338 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,338 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,338 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,339 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,339 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,339 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,339 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,339 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,340 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,340 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,340 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,340 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,340 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,340 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,341 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,341 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,341 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,341 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,342 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,342 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,342 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,342 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,343 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,343 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,343 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,343 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,343 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,344 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,344 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,344 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,344 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,344 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,345 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,345 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,345 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,346 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,346 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,346 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,346 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,347 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,347 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,347 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,347 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,347 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,348 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,348 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,348 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,348 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,349 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,349 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,349 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,349 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,349 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,349 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,350 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,350 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,350 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,350 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,350 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,350 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,351 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,351 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,355 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,355 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,355 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,355 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,356 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,356 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,360 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,361 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,361 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,361 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,361 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,361 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,363 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,363 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,363 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,364 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,364 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,364 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:56:42,371 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-08 17:56:42,426 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-08 17:56:42,434 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-08 17:56:42,435 INFO L340 AbstractCegarLoop]: Starting to check reachability of 65 error locations. [2021-10-08 17:56:42,461 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-08 17:56:42,475 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 288 places, 303 transitions, 630 flow [2021-10-08 17:56:42,478 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 288 places, 303 transitions, 630 flow [2021-10-08 17:56:42,481 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 288 places, 303 transitions, 630 flow [2021-10-08 17:56:42,602 INFO L129 PetriNetUnfolder]: 25/300 cut-off events. [2021-10-08 17:56:42,602 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-10-08 17:56:42,614 INFO L84 FinitePrefix]: Finished finitePrefix Result has 313 conditions, 300 events. 25/300 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 400 event pairs, 0 based on Foata normal form. 0/231 useless extension candidates. Maximal degree in co-relation 230. Up to 2 conditions per place. [2021-10-08 17:56:42,623 INFO L116 LiptonReduction]: Number of co-enabled transitions 4560 [2021-10-08 17:57:31,334 INFO L131 LiptonReduction]: Checked pairs total: 12785 [2021-10-08 17:57:31,335 INFO L133 LiptonReduction]: Total number of compositions: 327 [2021-10-08 17:57:31,346 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 86 places, 83 transitions, 190 flow [2021-10-08 17:57:31,606 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 6403 states, 5135 states have (on average 4.493086660175268) internal successors, (23072), 6402 states have internal predecessors, (23072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 17:57:31,635 INFO L276 IsEmpty]: Start isEmpty. Operand has 6403 states, 5135 states have (on average 4.493086660175268) internal successors, (23072), 6402 states have internal predecessors, (23072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 17:57:31,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-08 17:57:31,642 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 17:57:31,642 INFO L512 BasicCegarLoop]: trace histogram [1, 1] [2021-10-08 17:57:31,643 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 61 more)] === [2021-10-08 17:57:31,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 17:57:31,649 INFO L82 PathProgramCache]: Analyzing trace with hash 36107, now seen corresponding path program 1 times [2021-10-08 17:57:31,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-08 17:57:31,664 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1682899003] [2021-10-08 17:57:31,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 17:57:31,665 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-08 17:57:31,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-08 17:57:31,669 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-08 17:57:31,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-08 17:57:31,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 17:57:31,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-08 17:57:31,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 17:57:31,916 INFO L354 Elim1Store]: treesize reduction 84, result has 22.9 percent of original size [2021-10-08 17:57:31,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 15 treesize of output 30 [2021-10-08 17:57:31,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:57:31,969 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-08 17:57:31,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:57:31,978 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-08 17:57:31,978 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1682899003] [2021-10-08 17:57:31,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1682899003] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-08 17:57:31,979 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-08 17:57:31,979 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 1 [2021-10-08 17:57:31,982 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574015219] [2021-10-08 17:57:31,988 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-08 17:57:31,988 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-08 17:57:32,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-08 17:57:32,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 17:57:32,063 INFO L87 Difference]: Start difference. First operand has 6403 states, 5135 states have (on average 4.493086660175268) internal successors, (23072), 6402 states have internal predecessors, (23072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 17:57:32,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 17:57:32,700 INFO L93 Difference]: Finished difference Result 6398 states and 23067 transitions. [2021-10-08 17:57:32,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-08 17:57:32,703 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 [2021-10-08 17:57:32,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 17:57:32,886 INFO L225 Difference]: With dead ends: 6398 [2021-10-08 17:57:32,886 INFO L226 Difference]: Without dead ends: 6398 [2021-10-08 17:57:32,887 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 17:57:32,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6398 states. [2021-10-08 17:57:33,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6398 to 6398. [2021-10-08 17:57:33,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6398 states, 5135 states have (on average 4.492112950340799) internal successors, (23067), 6397 states have internal predecessors, (23067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 17:57:33,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6398 states to 6398 states and 23067 transitions. [2021-10-08 17:57:33,315 INFO L78 Accepts]: Start accepts. Automaton has 6398 states and 23067 transitions. Word has length 2 [2021-10-08 17:57:33,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 17:57:33,315 INFO L470 AbstractCegarLoop]: Abstraction has 6398 states and 23067 transitions. [2021-10-08 17:57:33,316 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) [2021-10-08 17:57:33,316 INFO L276 IsEmpty]: Start isEmpty. Operand 6398 states and 23067 transitions. [2021-10-08 17:57:33,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-08 17:57:33,317 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 17:57:33,317 INFO L512 BasicCegarLoop]: trace histogram [1, 1] [2021-10-08 17:57:33,332 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-08 17:57:33,519 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-08 17:57:33,521 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 61 more)] === [2021-10-08 17:57:33,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 17:57:33,523 INFO L82 PathProgramCache]: Analyzing trace with hash 36108, now seen corresponding path program 1 times [2021-10-08 17:57:33,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-08 17:57:33,524 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1058653459] [2021-10-08 17:57:33,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 17:57:33,524 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-08 17:57:33,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-08 17:57:33,526 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-08 17:57:33,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-08 17:57:33,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 17:57:33,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-08 17:57:33,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 17:57:33,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 17:57:33,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 17:57:33,975 INFO L354 Elim1Store]: treesize reduction 229, result has 22.6 percent of original size [2021-10-08 17:57:33,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 23 treesize of output 74 [2021-10-08 17:57:34,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:57:34,152 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-08 17:57:34,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:57:34,258 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-08 17:57:34,259 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1058653459] [2021-10-08 17:57:34,259 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1058653459] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-08 17:57:34,259 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-08 17:57:34,259 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 2 [2021-10-08 17:57:34,260 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178829120] [2021-10-08 17:57:34,261 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-08 17:57:34,261 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-08 17:57:34,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-08 17:57:34,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-08 17:57:34,263 INFO L87 Difference]: Start difference. First operand 6398 states and 23067 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 17:57:36,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 17:57:36,216 INFO L93 Difference]: Finished difference Result 12795 states and 46139 transitions. [2021-10-08 17:57:36,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-08 17:57:36,218 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 [2021-10-08 17:57:36,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 17:57:36,467 INFO L225 Difference]: With dead ends: 12795 [2021-10-08 17:57:36,468 INFO L226 Difference]: Without dead ends: 12795 [2021-10-08 17:57:36,469 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 72.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-08 17:57:36,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12795 states. [2021-10-08 17:57:36,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12795 to 6406. [2021-10-08 17:57:36,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6406 states, 5143 states have (on average 4.489014194050165) internal successors, (23087), 6405 states have internal predecessors, (23087), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 17:57:36,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6406 states to 6406 states and 23087 transitions. [2021-10-08 17:57:36,987 INFO L78 Accepts]: Start accepts. Automaton has 6406 states and 23087 transitions. Word has length 2 [2021-10-08 17:57:36,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 17:57:36,987 INFO L470 AbstractCegarLoop]: Abstraction has 6406 states and 23087 transitions. [2021-10-08 17:57:36,987 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) [2021-10-08 17:57:36,988 INFO L276 IsEmpty]: Start isEmpty. Operand 6406 states and 23087 transitions. [2021-10-08 17:57:36,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-08 17:57:36,988 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 17:57:36,989 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1] [2021-10-08 17:57:36,998 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-08 17:57:37,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-08 17:57:37,198 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 61 more)] === [2021-10-08 17:57:37,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 17:57:37,200 INFO L82 PathProgramCache]: Analyzing trace with hash 34886060, now seen corresponding path program 1 times [2021-10-08 17:57:37,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-08 17:57:37,202 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1739120491] [2021-10-08 17:57:37,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 17:57:37,202 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-08 17:57:37,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-08 17:57:37,206 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-08 17:57:37,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-08 17:57:37,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 17:57:37,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-08 17:57:37,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 17:57:37,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 17:57:37,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 17:57:37,599 INFO L354 Elim1Store]: treesize reduction 229, result has 22.6 percent of original size [2021-10-08 17:57:37,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 23 treesize of output 74 [2021-10-08 17:57:37,829 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:57:37,830 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-08 17:57:38,409 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:57:38,410 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-08 17:57:38,410 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1739120491] [2021-10-08 17:57:38,410 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1739120491] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-08 17:57:38,411 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 17:57:38,411 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 6 [2021-10-08 17:57:38,411 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82617212] [2021-10-08 17:57:38,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-08 17:57:38,412 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-08 17:57:38,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-08 17:57:38,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-08 17:57:38,413 INFO L87 Difference]: Start difference. First operand 6406 states and 23087 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) [2021-10-08 17:57:55,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 17:57:55,440 INFO L93 Difference]: Finished difference Result 38367 states and 138387 transitions. [2021-10-08 17:57:55,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-08 17:57:55,444 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 [2021-10-08 17:57:55,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 17:57:56,188 INFO L225 Difference]: With dead ends: 38367 [2021-10-08 17:57:56,188 INFO L226 Difference]: Without dead ends: 38367 [2021-10-08 17:57:56,189 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 881.5ms TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-10-08 17:57:56,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38367 states. [2021-10-08 17:57:57,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38367 to 6422. [2021-10-08 17:57:57,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6422 states, 5159 states have (on average 4.482845512696259) internal successors, (23127), 6421 states have internal predecessors, (23127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 17:57:57,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6422 states to 6422 states and 23127 transitions. [2021-10-08 17:57:57,145 INFO L78 Accepts]: Start accepts. Automaton has 6422 states and 23127 transitions. Word has length 4 [2021-10-08 17:57:57,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 17:57:57,145 INFO L470 AbstractCegarLoop]: Abstraction has 6422 states and 23127 transitions. [2021-10-08 17:57:57,146 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) [2021-10-08 17:57:57,146 INFO L276 IsEmpty]: Start isEmpty. Operand 6422 states and 23127 transitions. [2021-10-08 17:57:57,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-08 17:57:57,147 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 17:57:57,147 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-08 17:57:57,161 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-08 17:57:57,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-08 17:57:57,361 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 61 more)] === [2021-10-08 17:57:57,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 17:57:57,362 INFO L82 PathProgramCache]: Analyzing trace with hash 1083824061, now seen corresponding path program 1 times [2021-10-08 17:57:57,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-08 17:57:57,363 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1428706300] [2021-10-08 17:57:57,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 17:57:57,364 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-08 17:57:57,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-08 17:57:57,366 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-08 17:57:57,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-08 17:57:57,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 17:57:57,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-08 17:57:57,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 17:57:57,837 INFO L354 Elim1Store]: treesize reduction 233, result has 21.3 percent of original size [2021-10-08 17:57:57,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 97 [2021-10-08 17:57:57,869 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-08 17:57:57,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 100 treesize of output 96 [2021-10-08 17:57:59,686 INFO L354 Elim1Store]: treesize reduction 84, result has 36.8 percent of original size [2021-10-08 17:57:59,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 63 treesize of output 102 [2021-10-08 17:57:59,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 99 [2021-10-08 17:58:07,549 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-08 17:58:07,550 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1428706300] [2021-10-08 17:58:07,550 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Alternating quantifiers not yet supported [2021-10-08 17:58:07,551 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1403907482] [2021-10-08 17:58:07,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 17:58:07,551 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-08 17:58:07,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 [2021-10-08 17:58:07,562 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-08 17:58:07,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2021-10-08 17:58:07,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 17:58:07,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-08 17:58:07,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 17:58:08,188 INFO L354 Elim1Store]: treesize reduction 233, result has 21.3 percent of original size [2021-10-08 17:58:08,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 97 [2021-10-08 17:58:08,200 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-08 17:58:08,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 100 treesize of output 96 [2021-10-08 17:58:09,764 INFO L354 Elim1Store]: treesize reduction 84, result has 36.8 percent of original size [2021-10-08 17:58:09,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 57 treesize of output 96 [2021-10-08 17:58:21,212 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Alternating quantifiers not yet supported [2021-10-08 17:58:21,212 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [116840307] [2021-10-08 17:58:21,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 17:58:21,213 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 17:58:21,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 17:58:21,219 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 17:58:21,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-08 17:58:21,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 17:58:21,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-08 17:58:21,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 17:58:21,594 INFO L354 Elim1Store]: treesize reduction 241, result has 18.6 percent of original size [2021-10-08 17:58:21,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 80 treesize of output 118 [2021-10-08 17:58:21,664 INFO L354 Elim1Store]: treesize reduction 108, result has 18.8 percent of original size [2021-10-08 17:58:21,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 8 case distinctions, treesize of input 124 treesize of output 132 [2021-10-08 17:58:22,192 INFO L354 Elim1Store]: treesize reduction 112, result has 15.8 percent of original size [2021-10-08 17:58:22,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 103 treesize of output 114 [2021-10-08 17:58:22,308 INFO L354 Elim1Store]: treesize reduction 108, result has 31.2 percent of original size [2021-10-08 17:58:22,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 102 treesize of output 139 [2021-10-08 17:58:23,180 INFO L354 Elim1Store]: treesize reduction 160, result has 14.0 percent of original size [2021-10-08 17:58:23,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 162 treesize of output 176 [2021-10-08 17:58:23,377 INFO L354 Elim1Store]: treesize reduction 155, result has 28.2 percent of original size [2021-10-08 17:58:23,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 20 case distinctions, treesize of input 161 treesize of output 208 [2021-10-08 17:58:25,114 INFO L354 Elim1Store]: treesize reduction 216, result has 12.6 percent of original size [2021-10-08 17:58:25,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 222 treesize of output 239 [2021-10-08 17:58:25,234 INFO L354 Elim1Store]: treesize reduction 144, result has 14.8 percent of original size [2021-10-08 17:58:25,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 221 treesize of output 231 [2021-10-08 17:58:36,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:58:36,152 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-08 17:58:46,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:58:46,956 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [116840307] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-08 17:58:46,957 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-08 17:58:46,957 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 8 [2021-10-08 17:58:46,957 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587247699] [2021-10-08 17:58:46,958 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-08 17:58:46,958 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-08 17:58:46,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-08 17:58:46,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=102, Unknown=9, NotChecked=0, Total=156 [2021-10-08 17:58:46,959 INFO L87 Difference]: Start difference. First operand 6422 states and 23127 transitions. Second operand has 10 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 17:59:03,681 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2021-10-08 17:59:03,682 WARN L228 Executor]: External (MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2021-10-08 17:59:03,691 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2021-10-08 17:59:03,896 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-08 17:59:04,111 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-08 17:59:04,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt,5 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3,7 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 17:59:04,286 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Connection to SMT solver broken at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.convertIOException(Executor.java:312) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:158) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.pop(Scriptor.java:139) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.pop(DiffWrapperScript.java:99) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.pop(WrapperScript.java:153) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.pop(HistoryRecordingScript.java:117) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.pop(ManagedScript.java:128) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.unAssertPostcondition(IncrementalHoareTripleChecker.java:662) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.clearAssertionStack(IncrementalHoareTripleChecker.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.releaseLock(IncrementalHoareTripleChecker.java:281) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ProtectiveHoareTripleChecker.releaseLock(ProtectiveHoareTripleChecker.java:93) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.EfficientHoareTripleChecker.releaseLock(EfficientHoareTripleChecker.java:162) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.releaseLock(CachingHoareTripleChecker.java:201) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.switchToReadonlyMode(AbstractInterpolantAutomaton.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:881) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:778) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:462) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:420) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:53) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:392) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: java.io.IOException: Stream closed at java.base/java.lang.ProcessBuilder$NullOutputStream.write(ProcessBuilder.java:442) at java.base/java.io.OutputStream.write(OutputStream.java:157) at java.base/java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:81) at java.base/java.io.BufferedOutputStream.flush(BufferedOutputStream.java:142) at java.base/sun.nio.cs.StreamEncoder.implFlush(StreamEncoder.java:318) at java.base/sun.nio.cs.StreamEncoder.flush(StreamEncoder.java:153) at java.base/java.io.OutputStreamWriter.flush(OutputStreamWriter.java:251) at java.base/java.io.BufferedWriter.flush(BufferedWriter.java:257) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:156) ... 35 more [2021-10-08 17:59:04,290 INFO L168 Benchmark]: Toolchain (without parser) took 143897.81 ms. Allocated memory was 153.1 MB in the beginning and 508.6 MB in the end (delta: 355.5 MB). Free memory was 127.9 MB in the beginning and 108.8 MB in the end (delta: 19.1 MB). Peak memory consumption was 375.7 MB. Max. memory is 8.0 GB. [2021-10-08 17:59:04,290 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 153.1 MB. Free memory is still 125.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-08 17:59:04,291 INFO L168 Benchmark]: CACSL2BoogieTranslator took 423.35 ms. Allocated memory is still 153.1 MB. Free memory was 127.5 MB in the beginning and 114.2 MB in the end (delta: 13.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-10-08 17:59:04,292 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.58 ms. Allocated memory is still 153.1 MB. Free memory was 114.1 MB in the beginning and 112.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-08 17:59:04,292 INFO L168 Benchmark]: Boogie Preprocessor took 63.41 ms. Allocated memory is still 153.1 MB. Free memory was 112.0 MB in the beginning and 110.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-08 17:59:04,293 INFO L168 Benchmark]: RCFGBuilder took 1262.44 ms. Allocated memory is still 153.1 MB. Free memory was 109.9 MB in the beginning and 116.7 MB in the end (delta: -6.8 MB). Peak memory consumption was 12.1 MB. Max. memory is 8.0 GB. [2021-10-08 17:59:04,293 INFO L168 Benchmark]: TraceAbstraction took 142030.90 ms. Allocated memory was 153.1 MB in the beginning and 508.6 MB in the end (delta: 355.5 MB). Free memory was 116.1 MB in the beginning and 108.8 MB in the end (delta: 7.4 MB). Peak memory consumption was 363.6 MB. Max. memory is 8.0 GB. [2021-10-08 17:59:04,296 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 153.1 MB. Free memory is still 125.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 423.35 ms. Allocated memory is still 153.1 MB. Free memory was 127.5 MB in the beginning and 114.2 MB in the end (delta: 13.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 101.58 ms. Allocated memory is still 153.1 MB. Free memory was 114.1 MB in the beginning and 112.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 63.41 ms. Allocated memory is still 153.1 MB. Free memory was 112.0 MB in the beginning and 110.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1262.44 ms. Allocated memory is still 153.1 MB. Free memory was 109.9 MB in the beginning and 116.7 MB in the end (delta: -6.8 MB). Peak memory consumption was 12.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 142030.90 ms. Allocated memory was 153.1 MB in the beginning and 508.6 MB in the end (delta: 355.5 MB). Free memory was 116.1 MB in the beginning and 108.8 MB in the end (delta: 7.4 MB). Peak memory consumption was 363.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 48856.4ms, 288 PlacesBefore, 86 PlacesAfterwards, 303 TransitionsBefore, 83 TransitionsAfterwards, 4560 CoEnabledTransitionPairs, 7 FixpointIterations, 202 TrivialSequentialCompositions, 67 ConcurrentSequentialCompositions, 34 TrivialYvCompositions, 6 ConcurrentYvCompositions, 18 ChoiceCompositions, 327 TotalNumberOfCompositions, 12785 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 6224, positive: 5981, positive conditional: 0, positive unconditional: 5981, negative: 243, negative conditional: 0, negative unconditional: 243, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2868, positive: 2791, positive conditional: 0, positive unconditional: 2791, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2868, positive: 2790, positive conditional: 0, positive unconditional: 2790, negative: 78, negative conditional: 0, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 78, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6211, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 6210, negative conditional: 0, negative unconditional: 6210, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6224, positive: 3190, positive conditional: 0, positive unconditional: 3190, negative: 166, negative conditional: 0, negative unconditional: 166, unknown: 2868, unknown conditional: 0, unknown unconditional: 2868] , Statistics on independence cache: Total cache size (in pairs): 441, Positive cache size: 421, Positive conditional cache size: 0, Positive unconditional cache size: 421, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20 - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Connection to SMT solver broken de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Connection to SMT solver broken: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.convertIOException(Executor.java:312) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...