/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-min-max-inc-dec.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bc79526 [2022-01-18 12:18:17,804 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-18 12:18:17,806 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-18 12:18:17,865 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-18 12:18:17,865 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-18 12:18:17,866 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-18 12:18:17,867 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-18 12:18:17,869 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-18 12:18:17,870 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-18 12:18:17,875 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-18 12:18:17,876 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-18 12:18:17,878 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-18 12:18:17,878 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-18 12:18:17,883 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-18 12:18:17,886 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-18 12:18:17,890 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-18 12:18:17,891 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-18 12:18:17,891 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-18 12:18:17,892 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-18 12:18:17,893 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-18 12:18:17,894 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-18 12:18:17,895 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-18 12:18:17,897 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-18 12:18:17,898 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-18 12:18:17,901 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-18 12:18:17,901 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-18 12:18:17,902 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-18 12:18:17,902 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-18 12:18:17,902 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-18 12:18:17,903 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-18 12:18:17,903 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-18 12:18:17,904 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-18 12:18:17,904 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-18 12:18:17,905 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-18 12:18:17,905 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-18 12:18:17,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-18 12:18:17,906 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-18 12:18:17,906 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-18 12:18:17,906 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-18 12:18:17,907 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-18 12:18:17,907 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-18 12:18:17,913 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf [2022-01-18 12:18:17,933 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-18 12:18:17,934 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-18 12:18:17,934 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-18 12:18:17,934 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-18 12:18:17,935 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-18 12:18:17,936 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-18 12:18:17,936 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-18 12:18:17,936 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-18 12:18:17,936 INFO L138 SettingsManager]: * Use SBE=true [2022-01-18 12:18:17,936 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-18 12:18:17,937 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-18 12:18:17,937 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-18 12:18:17,937 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-18 12:18:17,937 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-18 12:18:17,938 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-18 12:18:17,938 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-18 12:18:17,938 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-18 12:18:17,938 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-18 12:18:17,938 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-18 12:18:17,938 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-18 12:18:17,938 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-18 12:18:17,938 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-18 12:18:17,938 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-18 12:18:17,939 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-18 12:18:17,940 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-18 12:18:17,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 12:18:17,940 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-18 12:18:17,940 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-18 12:18:17,940 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-18 12:18:17,941 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-18 12:18:17,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-18 12:18:17,941 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-18 12:18:17,941 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-18 12:18:17,941 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2022-01-18 12:18:17,941 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-18 12:18:18,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-18 12:18:18,117 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-18 12:18:18,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-18 12:18:18,119 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-18 12:18:18,120 INFO L275 PluginConnector]: CDTParser initialized [2022-01-18 12:18:18,120 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-min-max-inc-dec.wvr.c [2022-01-18 12:18:18,183 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d205e02f1/744a5165d2f642debbc3a49c8a6f0778/FLAG75226b3da [2022-01-18 12:18:18,469 INFO L306 CDTParser]: Found 1 translation units. [2022-01-18 12:18:18,469 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-min-max-inc-dec.wvr.c [2022-01-18 12:18:18,473 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d205e02f1/744a5165d2f642debbc3a49c8a6f0778/FLAG75226b3da [2022-01-18 12:18:18,901 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d205e02f1/744a5165d2f642debbc3a49c8a6f0778 [2022-01-18 12:18:18,903 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-18 12:18:18,904 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-18 12:18:18,908 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-18 12:18:18,908 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-18 12:18:18,910 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-18 12:18:18,910 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 12:18:18" (1/1) ... [2022-01-18 12:18:18,911 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@264b2d6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:18:18, skipping insertion in model container [2022-01-18 12:18:18,911 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 12:18:18" (1/1) ... [2022-01-18 12:18:18,916 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-18 12:18:18,938 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-18 12:18:19,065 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-min-max-inc-dec.wvr.c[3271,3284] [2022-01-18 12:18:19,071 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 12:18:19,077 INFO L203 MainTranslator]: Completed pre-run [2022-01-18 12:18:19,094 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-min-max-inc-dec.wvr.c[3271,3284] [2022-01-18 12:18:19,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 12:18:19,106 INFO L208 MainTranslator]: Completed translation [2022-01-18 12:18:19,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:18:19 WrapperNode [2022-01-18 12:18:19,107 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-18 12:18:19,111 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-18 12:18:19,111 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-18 12:18:19,111 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-18 12:18:19,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:18:19" (1/1) ... [2022-01-18 12:18:19,131 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:18:19" (1/1) ... [2022-01-18 12:18:19,149 INFO L137 Inliner]: procedures = 27, calls = 75, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 174 [2022-01-18 12:18:19,150 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-18 12:18:19,150 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-18 12:18:19,150 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-18 12:18:19,150 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-18 12:18:19,155 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:18:19" (1/1) ... [2022-01-18 12:18:19,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:18:19" (1/1) ... [2022-01-18 12:18:19,157 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:18:19" (1/1) ... [2022-01-18 12:18:19,158 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:18:19" (1/1) ... [2022-01-18 12:18:19,162 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:18:19" (1/1) ... [2022-01-18 12:18:19,173 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:18:19" (1/1) ... [2022-01-18 12:18:19,174 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:18:19" (1/1) ... [2022-01-18 12:18:19,176 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-18 12:18:19,177 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-18 12:18:19,177 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-18 12:18:19,177 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-18 12:18:19,184 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:18:19" (1/1) ... [2022-01-18 12:18:19,188 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 12:18:19,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 12:18:19,209 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-18 12:18:19,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-18 12:18:19,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-18 12:18:19,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-18 12:18:19,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-18 12:18:19,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-18 12:18:19,254 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-18 12:18:19,254 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-18 12:18:19,254 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-18 12:18:19,254 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-18 12:18:19,254 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-01-18 12:18:19,254 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-01-18 12:18:19,254 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-01-18 12:18:19,254 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-01-18 12:18:19,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-18 12:18:19,255 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2022-01-18 12:18:19,255 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2022-01-18 12:18:19,255 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-01-18 12:18:19,255 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-01-18 12:18:19,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-18 12:18:19,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-18 12:18:19,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-18 12:18:19,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-18 12:18:19,256 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-18 12:18:19,330 INFO L234 CfgBuilder]: Building ICFG [2022-01-18 12:18:19,335 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-18 12:18:19,566 INFO L275 CfgBuilder]: Performing block encoding [2022-01-18 12:18:19,620 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-18 12:18:19,620 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2022-01-18 12:18:19,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 12:18:19 BoogieIcfgContainer [2022-01-18 12:18:19,622 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-18 12:18:19,622 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-18 12:18:19,623 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-18 12:18:19,625 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-18 12:18:19,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.01 12:18:18" (1/3) ... [2022-01-18 12:18:19,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42d75dd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 12:18:19, skipping insertion in model container [2022-01-18 12:18:19,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 12:18:19" (2/3) ... [2022-01-18 12:18:19,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42d75dd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 12:18:19, skipping insertion in model container [2022-01-18 12:18:19,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 12:18:19" (3/3) ... [2022-01-18 12:18:19,626 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-min-max-inc-dec.wvr.c [2022-01-18 12:18:19,629 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-18 12:18:19,629 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-18 12:18:19,629 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-18 12:18:19,629 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-18 12:18:19,667 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,667 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,668 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,668 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,668 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,668 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,669 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,669 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,669 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,669 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,669 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,669 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,669 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,669 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,670 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,670 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,670 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,670 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,670 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,670 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,671 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,671 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,671 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,671 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,671 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,671 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,672 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,672 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,672 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,672 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,672 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,672 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,672 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork4_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,673 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork4_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,673 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork4_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,673 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork4_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,673 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork4_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,673 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork4_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,673 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork4_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,674 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork4_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,674 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,674 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,674 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,674 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,674 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork4_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,674 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork4_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,674 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork4_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,675 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork4_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,675 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork4_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,675 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork4_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,675 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork4_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,675 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork4_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,675 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork4_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,676 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork4_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,676 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork4_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,676 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork4_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,676 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork4_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,676 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork4_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,676 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork4_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,677 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork4_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,677 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork4_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,677 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork4_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,677 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork4_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,677 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork4_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,677 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,677 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,678 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,678 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,678 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,678 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,678 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,678 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,679 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,679 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,679 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,679 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,679 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,679 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,679 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,679 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,680 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,680 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,680 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,680 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,680 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,680 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,681 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,681 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,681 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,681 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,681 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,681 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,681 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,681 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,682 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,682 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,682 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,682 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,682 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,682 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,683 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,683 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,683 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,683 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,683 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,683 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,683 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,683 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,683 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,684 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,684 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,684 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,684 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,684 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,684 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,684 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,685 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,685 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,685 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,685 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,685 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,685 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,685 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,685 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,686 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,686 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,686 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,686 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,686 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,687 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,687 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,687 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,689 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,689 WARN L322 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,690 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,690 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,690 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,690 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,690 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,690 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,690 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,691 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,691 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,691 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,691 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,691 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,691 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,692 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,692 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,692 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,692 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,692 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,692 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,692 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,693 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~mem17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,693 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,693 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,693 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,693 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,693 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,693 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork4_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,694 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork4_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,694 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork4_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,694 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork4_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,694 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork4_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,694 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,694 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork4_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,694 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 12:18:19,698 INFO L148 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2022-01-18 12:18:19,732 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 12:18:19,737 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=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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 [2022-01-18 12:18:19,737 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-01-18 12:18:19,764 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 197 places, 195 transitions, 430 flow [2022-01-18 12:18:26,671 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 234815 states, 234814 states have (on average 5.674921427172145) internal successors, (1332551), 234814 states have internal predecessors, (1332551), 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) [2022-01-18 12:18:27,072 INFO L276 IsEmpty]: Start isEmpty. Operand has 234815 states, 234814 states have (on average 5.674921427172145) internal successors, (1332551), 234814 states have internal predecessors, (1332551), 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) [2022-01-18 12:18:28,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 12:18:28,599 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 12:18:28,599 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 12:18:28,600 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-01-18 12:18:28,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 12:18:28,604 INFO L85 PathProgramCache]: Analyzing trace with hash 579467272, now seen corresponding path program 1 times [2022-01-18 12:18:28,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 12:18:28,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845327378] [2022-01-18 12:18:28,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:18:28,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 12:18:28,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:18:28,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 12:18:28,828 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 12:18:28,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845327378] [2022-01-18 12:18:28,829 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845327378] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 12:18:28,829 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 12:18:28,830 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-18 12:18:28,831 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472454495] [2022-01-18 12:18:28,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 12:18:28,834 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-18 12:18:28,834 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 12:18:28,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-18 12:18:28,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-18 12:18:29,385 INFO L87 Difference]: Start difference. First operand has 234815 states, 234814 states have (on average 5.674921427172145) internal successors, (1332551), 234814 states have internal predecessors, (1332551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 67.5) internal successors, (135), 2 states have internal predecessors, (135), 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) [2022-01-18 12:18:32,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 12:18:32,688 INFO L93 Difference]: Finished difference Result 234815 states and 1239798 transitions. [2022-01-18 12:18:32,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-18 12:18:32,690 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 67.5) internal successors, (135), 2 states have internal predecessors, (135), 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 135 [2022-01-18 12:18:32,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 12:18:34,941 INFO L225 Difference]: With dead ends: 234815 [2022-01-18 12:18:34,941 INFO L226 Difference]: Without dead ends: 234811 [2022-01-18 12:18:34,942 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-18 12:18:34,944 INFO L933 BasicCegarLoop]: 150 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 12:18:34,945 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 150 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 12:18:35,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234811 states. [2022-01-18 12:18:43,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234811 to 234811. [2022-01-18 12:18:44,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234811 states, 234810 states have (on average 5.27998807546527) internal successors, (1239794), 234810 states have internal predecessors, (1239794), 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) [2022-01-18 12:18:46,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234811 states to 234811 states and 1239794 transitions. [2022-01-18 12:18:46,347 INFO L78 Accepts]: Start accepts. Automaton has 234811 states and 1239794 transitions. Word has length 135 [2022-01-18 12:18:46,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 12:18:46,347 INFO L470 AbstractCegarLoop]: Abstraction has 234811 states and 1239794 transitions. [2022-01-18 12:18:46,348 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 67.5) internal successors, (135), 2 states have internal predecessors, (135), 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) [2022-01-18 12:18:46,348 INFO L276 IsEmpty]: Start isEmpty. Operand 234811 states and 1239794 transitions. [2022-01-18 12:18:47,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-18 12:18:47,781 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 12:18:47,781 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 12:18:47,781 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-18 12:18:47,781 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-01-18 12:18:47,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 12:18:47,782 INFO L85 PathProgramCache]: Analyzing trace with hash 876075956, now seen corresponding path program 1 times [2022-01-18 12:18:47,782 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 12:18:47,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387216776] [2022-01-18 12:18:47,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:18:47,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 12:18:47,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:18:48,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 12:18:48,076 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 12:18:48,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387216776] [2022-01-18 12:18:48,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387216776] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 12:18:48,076 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 12:18:48,076 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-18 12:18:48,077 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681627065] [2022-01-18 12:18:48,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 12:18:48,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-18 12:18:48,078 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 12:18:48,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-18 12:18:48,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-01-18 12:18:48,078 INFO L87 Difference]: Start difference. First operand 234811 states and 1239794 transitions. Second operand has 6 states, 6 states have (on average 22.5) internal successors, (135), 6 states have internal predecessors, (135), 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) [2022-01-18 12:18:52,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 12:18:52,594 INFO L93 Difference]: Finished difference Result 315883 states and 1670690 transitions. [2022-01-18 12:18:52,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-18 12:18:52,594 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.5) internal successors, (135), 6 states have internal predecessors, (135), 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 135 [2022-01-18 12:18:52,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 12:18:55,557 INFO L225 Difference]: With dead ends: 315883 [2022-01-18 12:18:55,557 INFO L226 Difference]: Without dead ends: 315883 [2022-01-18 12:18:55,557 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2022-01-18 12:18:55,558 INFO L933 BasicCegarLoop]: 179 mSDtfsCounter, 230 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 12:18:55,558 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [230 Valid, 387 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 12:18:56,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315883 states. [2022-01-18 12:19:05,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315883 to 255079. [2022-01-18 12:19:06,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255079 states, 255078 states have (on average 5.282768408094779) internal successors, (1347518), 255078 states have internal predecessors, (1347518), 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) [2022-01-18 12:19:08,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255079 states to 255079 states and 1347518 transitions. [2022-01-18 12:19:08,772 INFO L78 Accepts]: Start accepts. Automaton has 255079 states and 1347518 transitions. Word has length 135 [2022-01-18 12:19:08,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 12:19:08,772 INFO L470 AbstractCegarLoop]: Abstraction has 255079 states and 1347518 transitions. [2022-01-18 12:19:08,772 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.5) internal successors, (135), 6 states have internal predecessors, (135), 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) [2022-01-18 12:19:08,772 INFO L276 IsEmpty]: Start isEmpty. Operand 255079 states and 1347518 transitions. [2022-01-18 12:19:09,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-01-18 12:19:09,700 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 12:19:09,700 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 12:19:09,700 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-18 12:19:09,700 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-01-18 12:19:09,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 12:19:09,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1247326616, now seen corresponding path program 1 times [2022-01-18 12:19:09,701 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 12:19:09,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749526911] [2022-01-18 12:19:09,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:19:09,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 12:19:09,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:19:09,784 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 12:19:09,784 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 12:19:09,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749526911] [2022-01-18 12:19:09,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749526911] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 12:19:09,784 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 12:19:09,784 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-18 12:19:09,785 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846552632] [2022-01-18 12:19:09,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 12:19:09,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-18 12:19:09,785 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 12:19:09,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-18 12:19:09,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-01-18 12:19:09,786 INFO L87 Difference]: Start difference. First operand 255079 states and 1347518 transitions. Second operand has 7 states, 7 states have (on average 20.0) internal successors, (140), 7 states have internal predecessors, (140), 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) [2022-01-18 12:19:14,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 12:19:14,288 INFO L93 Difference]: Finished difference Result 336166 states and 1758162 transitions. [2022-01-18 12:19:14,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-18 12:19:14,292 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.0) internal successors, (140), 7 states have internal predecessors, (140), 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 140 [2022-01-18 12:19:14,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 12:19:17,754 INFO L225 Difference]: With dead ends: 336166 [2022-01-18 12:19:17,754 INFO L226 Difference]: Without dead ends: 255085 [2022-01-18 12:19:17,755 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2022-01-18 12:19:17,760 INFO L933 BasicCegarLoop]: 175 mSDtfsCounter, 597 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 597 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 12:19:17,762 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [597 Valid, 509 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 12:19:18,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255085 states. [2022-01-18 12:19:28,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255085 to 255080. [2022-01-18 12:19:29,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255080 states, 255079 states have (on average 5.28275161812615) internal successors, (1347519), 255079 states have internal predecessors, (1347519), 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) [2022-01-18 12:19:31,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255080 states to 255080 states and 1347519 transitions. [2022-01-18 12:19:31,014 INFO L78 Accepts]: Start accepts. Automaton has 255080 states and 1347519 transitions. Word has length 140 [2022-01-18 12:19:31,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 12:19:31,015 INFO L470 AbstractCegarLoop]: Abstraction has 255080 states and 1347519 transitions. [2022-01-18 12:19:31,015 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.0) internal successors, (140), 7 states have internal predecessors, (140), 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) [2022-01-18 12:19:31,015 INFO L276 IsEmpty]: Start isEmpty. Operand 255080 states and 1347519 transitions. [2022-01-18 12:19:32,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-01-18 12:19:32,460 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 12:19:32,460 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 12:19:32,460 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-18 12:19:32,460 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-01-18 12:19:32,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 12:19:32,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1707003387, now seen corresponding path program 1 times [2022-01-18 12:19:32,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 12:19:32,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120633330] [2022-01-18 12:19:32,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:19:32,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 12:19:32,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:19:32,588 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 12:19:32,588 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 12:19:32,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120633330] [2022-01-18 12:19:32,589 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120633330] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 12:19:32,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [991917391] [2022-01-18 12:19:32,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:19:32,589 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:19:32,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 12:19:32,590 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 12:19:32,611 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-18 12:19:32,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:19:32,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-18 12:19:32,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 12:19:33,057 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 12:19:33,057 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 12:19:33,397 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 12:19:33,397 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [991917391] provided 1 perfect and 1 imperfect interpolant sequences [2022-01-18 12:19:33,397 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-01-18 12:19:33,398 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2022-01-18 12:19:33,400 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944099592] [2022-01-18 12:19:33,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 12:19:33,403 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-18 12:19:33,404 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 12:19:33,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-18 12:19:33,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2022-01-18 12:19:33,407 INFO L87 Difference]: Start difference. First operand 255080 states and 1347519 transitions. Second operand has 7 states, 7 states have (on average 21.0) internal successors, (147), 7 states have internal predecessors, (147), 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) [2022-01-18 12:19:36,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 12:19:36,712 INFO L93 Difference]: Finished difference Result 278156 states and 1469640 transitions. [2022-01-18 12:19:36,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-18 12:19:36,713 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 21.0) internal successors, (147), 7 states have internal predecessors, (147), 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 147 [2022-01-18 12:19:36,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 12:19:39,100 INFO L225 Difference]: With dead ends: 278156 [2022-01-18 12:19:39,100 INFO L226 Difference]: Without dead ends: 278156 [2022-01-18 12:19:39,101 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 286 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2022-01-18 12:19:39,101 INFO L933 BasicCegarLoop]: 175 mSDtfsCounter, 476 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 476 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 12:19:39,101 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [476 Valid, 410 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 12:19:40,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278156 states. [2022-01-18 12:19:49,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278156 to 278156. [2022-01-18 12:19:49,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278156 states, 278155 states have (on average 5.2835289676619155) internal successors, (1469640), 278155 states have internal predecessors, (1469640), 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) [2022-01-18 12:19:53,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278156 states to 278156 states and 1469640 transitions. [2022-01-18 12:19:53,256 INFO L78 Accepts]: Start accepts. Automaton has 278156 states and 1469640 transitions. Word has length 147 [2022-01-18 12:19:53,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 12:19:53,258 INFO L470 AbstractCegarLoop]: Abstraction has 278156 states and 1469640 transitions. [2022-01-18 12:19:53,258 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.0) internal successors, (147), 7 states have internal predecessors, (147), 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) [2022-01-18 12:19:53,258 INFO L276 IsEmpty]: Start isEmpty. Operand 278156 states and 1469640 transitions. [2022-01-18 12:19:54,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-01-18 12:19:54,756 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 12:19:54,756 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 12:19:54,772 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-01-18 12:19:54,968 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:19:54,968 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-01-18 12:19:54,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 12:19:54,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1526808627, now seen corresponding path program 1 times [2022-01-18 12:19:54,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 12:19:54,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074412247] [2022-01-18 12:19:54,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:19:54,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 12:19:55,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:19:55,141 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-18 12:19:55,141 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 12:19:55,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074412247] [2022-01-18 12:19:55,141 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074412247] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 12:19:55,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [276140796] [2022-01-18 12:19:55,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:19:55,142 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:19:55,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 12:19:55,143 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 12:19:55,144 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-18 12:19:55,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:19:55,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-18 12:19:55,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 12:19:55,655 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-18 12:19:55,656 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 12:19:56,042 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-18 12:19:56,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [276140796] provided 1 perfect and 1 imperfect interpolant sequences [2022-01-18 12:19:56,043 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-01-18 12:19:56,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2022-01-18 12:19:56,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395907610] [2022-01-18 12:19:56,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 12:19:56,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-18 12:19:56,043 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 12:19:56,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-18 12:19:56,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2022-01-18 12:19:56,044 INFO L87 Difference]: Start difference. First operand 278156 states and 1469640 transitions. Second operand has 7 states, 7 states have (on average 21.714285714285715) internal successors, (152), 7 states have internal predecessors, (152), 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) [2022-01-18 12:20:00,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 12:20:00,790 INFO L93 Difference]: Finished difference Result 308084 states and 1629162 transitions. [2022-01-18 12:20:00,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-18 12:20:00,790 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 21.714285714285715) internal successors, (152), 7 states have internal predecessors, (152), 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 152 [2022-01-18 12:20:00,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 12:20:04,307 INFO L225 Difference]: With dead ends: 308084 [2022-01-18 12:20:04,307 INFO L226 Difference]: Without dead ends: 308084 [2022-01-18 12:20:04,307 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 296 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2022-01-18 12:20:04,308 INFO L933 BasicCegarLoop]: 170 mSDtfsCounter, 297 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 12:20:04,308 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [297 Valid, 450 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 12:20:04,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308084 states. [2022-01-18 12:20:15,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308084 to 308084. [2022-01-18 12:20:16,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308084 states, 308083 states have (on average 5.288061983296709) internal successors, (1629162), 308083 states have internal predecessors, (1629162), 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) [2022-01-18 12:20:20,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308084 states to 308084 states and 1629162 transitions. [2022-01-18 12:20:20,209 INFO L78 Accepts]: Start accepts. Automaton has 308084 states and 1629162 transitions. Word has length 152 [2022-01-18 12:20:20,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 12:20:20,210 INFO L470 AbstractCegarLoop]: Abstraction has 308084 states and 1629162 transitions. [2022-01-18 12:20:20,210 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.714285714285715) internal successors, (152), 7 states have internal predecessors, (152), 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) [2022-01-18 12:20:20,210 INFO L276 IsEmpty]: Start isEmpty. Operand 308084 states and 1629162 transitions. [2022-01-18 12:20:22,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-01-18 12:20:22,531 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 12:20:22,532 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 12:20:22,550 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-01-18 12:20:22,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:20:22,733 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-01-18 12:20:22,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 12:20:22,733 INFO L85 PathProgramCache]: Analyzing trace with hash 137446205, now seen corresponding path program 1 times [2022-01-18 12:20:22,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 12:20:22,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582949301] [2022-01-18 12:20:22,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:20:22,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 12:20:22,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:20:22,824 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-18 12:20:22,825 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 12:20:22,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582949301] [2022-01-18 12:20:22,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582949301] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 12:20:22,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [385916724] [2022-01-18 12:20:22,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:20:22,825 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:20:22,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 12:20:22,826 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 12:20:22,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-18 12:20:22,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:20:22,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-18 12:20:22,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 12:20:23,292 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-18 12:20:23,293 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 12:20:23,657 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-18 12:20:23,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [385916724] provided 1 perfect and 1 imperfect interpolant sequences [2022-01-18 12:20:23,657 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-01-18 12:20:23,657 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6, 7] total 14 [2022-01-18 12:20:23,657 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760724106] [2022-01-18 12:20:23,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 12:20:23,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-18 12:20:23,658 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 12:20:23,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-18 12:20:23,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2022-01-18 12:20:23,658 INFO L87 Difference]: Start difference. First operand 308084 states and 1629162 transitions. Second operand has 7 states, 7 states have (on average 22.428571428571427) internal successors, (157), 7 states have internal predecessors, (157), 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) [2022-01-18 12:20:29,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 12:20:29,112 INFO L93 Difference]: Finished difference Result 342188 states and 1809828 transitions. [2022-01-18 12:20:29,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-18 12:20:29,113 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 22.428571428571427) internal successors, (157), 7 states have internal predecessors, (157), 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 157 [2022-01-18 12:20:29,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 12:20:33,038 INFO L225 Difference]: With dead ends: 342188 [2022-01-18 12:20:33,039 INFO L226 Difference]: Without dead ends: 342188 [2022-01-18 12:20:33,039 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 304 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2022-01-18 12:20:33,039 INFO L933 BasicCegarLoop]: 173 mSDtfsCounter, 393 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 393 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 12:20:33,040 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [393 Valid, 408 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 12:20:34,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342188 states. [2022-01-18 12:20:46,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342188 to 342188. [2022-01-18 12:20:47,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342188 states, 342187 states have (on average 5.2890027967164155) internal successors, (1809828), 342187 states have internal predecessors, (1809828), 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) [2022-01-18 12:20:52,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342188 states to 342188 states and 1809828 transitions. [2022-01-18 12:20:52,101 INFO L78 Accepts]: Start accepts. Automaton has 342188 states and 1809828 transitions. Word has length 157 [2022-01-18 12:20:52,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 12:20:52,102 INFO L470 AbstractCegarLoop]: Abstraction has 342188 states and 1809828 transitions. [2022-01-18 12:20:52,102 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.428571428571427) internal successors, (157), 7 states have internal predecessors, (157), 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) [2022-01-18 12:20:52,102 INFO L276 IsEmpty]: Start isEmpty. Operand 342188 states and 1809828 transitions. [2022-01-18 12:20:54,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-01-18 12:20:54,143 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 12:20:54,143 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 12:20:54,166 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-01-18 12:20:54,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:20:54,360 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-01-18 12:20:54,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 12:20:54,360 INFO L85 PathProgramCache]: Analyzing trace with hash -228489659, now seen corresponding path program 1 times [2022-01-18 12:20:54,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 12:20:54,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105396392] [2022-01-18 12:20:54,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:20:54,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 12:20:54,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:20:54,714 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-18 12:20:54,714 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 12:20:54,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105396392] [2022-01-18 12:20:54,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105396392] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 12:20:54,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [897424629] [2022-01-18 12:20:54,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 12:20:54,715 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 12:20:54,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 12:20:54,716 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 12:20:54,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-01-18 12:20:54,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 12:20:54,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 37 conjunts are in the unsatisfiable core [2022-01-18 12:20:54,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 12:20:55,200 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2022-01-18 12:20:55,368 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-01-18 12:20:55,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-18 12:20:55,499 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-01-18 12:20:55,632 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 12:20:55,633 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 61 treesize of output 41 [2022-01-18 12:20:55,881 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-18 12:20:55,881 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 12:20:57,433 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_274 (Array Int Int)) (thread2Thread1of1ForFork4_~i~1 Int)) (let ((.cse1 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_274) c_~A~0.base))) (let ((.cse0 (select .cse1 (+ c_~A~0.offset (* thread2Thread1of1ForFork4_~i~1 4))))) (or (<= 2147483647 .cse0) (< .cse0 (select .cse1 c_~A~0.offset)) (let ((.cse4 (select .cse1 (+ c_~A~0.offset (* c_thread1Thread1of1ForFork2_~i~0 4))))) (let ((.cse3 (< c_~min~0 .cse4)) (.cse2 (+ .cse0 1))) (and (or (<= c_~min~0 .cse2) (not .cse3)) (or .cse3 (<= .cse4 .cse2))))))))) is different from false [2022-01-18 12:20:57,903 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 1 not checked. [2022-01-18 12:20:57,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [897424629] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 12:20:57,904 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 12:20:57,904 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 20, 10] total 36 [2022-01-18 12:20:57,904 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727756849] [2022-01-18 12:20:57,904 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 12:20:57,905 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-01-18 12:20:57,905 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 12:20:57,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-01-18 12:20:57,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=1067, Unknown=1, NotChecked=66, Total=1260 [2022-01-18 12:20:57,906 INFO L87 Difference]: Start difference. First operand 342188 states and 1809828 transitions. Second operand has 36 states, 36 states have (on average 12.13888888888889) internal successors, (437), 36 states have internal predecessors, (437), 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)