/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-min-max-dec.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-15 19:18:30,703 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 19:18:30,704 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 19:18:30,733 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-15 19:18:30,733 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-15 19:18:30,734 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-15 19:18:30,735 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-15 19:18:30,760 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-15 19:18:30,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-15 19:18:30,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-15 19:18:30,762 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-15 19:18:30,763 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-15 19:18:30,763 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-15 19:18:30,764 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-15 19:18:30,764 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-15 19:18:30,765 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-15 19:18:30,765 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-15 19:18:30,766 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-15 19:18:30,767 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-15 19:18:30,768 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-15 19:18:30,769 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-15 19:18:30,778 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-15 19:18:30,780 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-15 19:18:30,782 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-15 19:18:30,788 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-15 19:18:30,789 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-15 19:18:30,789 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-15 19:18:30,789 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-15 19:18:30,789 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-15 19:18:30,790 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-15 19:18:30,790 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-15 19:18:30,790 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-15 19:18:30,791 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-15 19:18:30,791 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-15 19:18:30,792 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-15 19:18:30,792 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-15 19:18:30,792 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-15 19:18:30,792 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-15 19:18:30,793 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-15 19:18:30,793 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-15 19:18:30,793 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-15 19:18:30,794 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2022-03-15 19:18:30,812 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 19:18:30,812 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 19:18:30,812 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 19:18:30,813 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 19:18:30,813 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 19:18:30,813 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 19:18:30,813 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 19:18:30,813 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 19:18:30,813 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 19:18:30,813 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 19:18:30,814 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 19:18:30,814 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 19:18:30,814 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 19:18:30,814 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 19:18:30,814 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 19:18:30,814 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 19:18:30,814 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 19:18:30,814 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 19:18:30,814 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 19:18:30,814 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 19:18:30,814 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 19:18:30,815 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 19:18:30,815 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 19:18:30,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 19:18:30,815 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 19:18:30,815 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-03-15 19:18:30,815 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 19:18:30,815 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 19:18:30,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 19:18:30,815 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2022-03-15 19:18:30,815 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2022-03-15 19:18:30,816 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 19:18:30,816 INFO L138 SettingsManager]: * Interpolant automaton=MCR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-15 19:18:31,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 19:18:31,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 19:18:31,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 19:18:31,022 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-15 19:18:31,023 INFO L275 PluginConnector]: CDTParser initialized [2022-03-15 19:18:31,024 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-min-max-dec.wvr.c [2022-03-15 19:18:31,061 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b9ddd4c9/8309004ee95e4568ae9078c82f293460/FLAG527fddf05 [2022-03-15 19:18:31,369 INFO L306 CDTParser]: Found 1 translation units. [2022-03-15 19:18:31,369 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-min-max-dec.wvr.c [2022-03-15 19:18:31,393 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b9ddd4c9/8309004ee95e4568ae9078c82f293460/FLAG527fddf05 [2022-03-15 19:18:31,790 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b9ddd4c9/8309004ee95e4568ae9078c82f293460 [2022-03-15 19:18:31,792 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 19:18:31,793 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-15 19:18:31,794 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-15 19:18:31,794 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-15 19:18:31,796 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-15 19:18:31,797 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 07:18:31" (1/1) ... [2022-03-15 19:18:31,797 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76f26b53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:18:31, skipping insertion in model container [2022-03-15 19:18:31,798 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 07:18:31" (1/1) ... [2022-03-15 19:18:31,802 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-15 19:18:31,813 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-15 19:18:31,942 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-dec.wvr.c[3019,3032] [2022-03-15 19:18:31,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 19:18:31,952 INFO L203 MainTranslator]: Completed pre-run [2022-03-15 19:18:31,968 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-dec.wvr.c[3019,3032] [2022-03-15 19:18:31,970 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 19:18:31,979 INFO L208 MainTranslator]: Completed translation [2022-03-15 19:18:31,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:18:31 WrapperNode [2022-03-15 19:18:31,980 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-15 19:18:31,980 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 19:18:31,980 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 19:18:31,981 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 19:18:31,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:18:31" (1/1) ... [2022-03-15 19:18:31,991 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:18:31" (1/1) ... [2022-03-15 19:18:32,022 INFO L137 Inliner]: procedures = 26, calls = 63, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 137 [2022-03-15 19:18:32,022 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 19:18:32,023 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 19:18:32,023 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 19:18:32,023 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 19:18:32,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:18:31" (1/1) ... [2022-03-15 19:18:32,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:18:31" (1/1) ... [2022-03-15 19:18:32,045 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:18:31" (1/1) ... [2022-03-15 19:18:32,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:18:31" (1/1) ... [2022-03-15 19:18:32,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:18:31" (1/1) ... [2022-03-15 19:18:32,053 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:18:31" (1/1) ... [2022-03-15 19:18:32,054 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:18:31" (1/1) ... [2022-03-15 19:18:32,068 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 19:18:32,072 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 19:18:32,072 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 19:18:32,072 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 19:18:32,075 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:18:31" (1/1) ... [2022-03-15 19:18:32,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 19:18:32,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 19:18:32,099 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) [2022-03-15 19:18:32,121 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 [2022-03-15 19:18:32,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-15 19:18:32,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-15 19:18:32,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-15 19:18:32,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-15 19:18:32,155 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-15 19:18:32,155 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-15 19:18:32,156 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-15 19:18:32,156 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-15 19:18:32,156 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-15 19:18:32,156 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-15 19:18:32,156 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-03-15 19:18:32,156 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-03-15 19:18:32,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-15 19:18:32,156 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-03-15 19:18:32,156 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-03-15 19:18:32,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-15 19:18:32,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 19:18:32,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 19:18:32,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-15 19:18:32,157 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-15 19:18:32,231 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 19:18:32,232 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 19:18:32,474 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 19:18:32,527 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 19:18:32,528 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-03-15 19:18:32,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 07:18:32 BoogieIcfgContainer [2022-03-15 19:18:32,529 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 19:18:32,530 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 19:18:32,530 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 19:18:32,533 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 19:18:32,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 07:18:31" (1/3) ... [2022-03-15 19:18:32,533 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@363224a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 07:18:32, skipping insertion in model container [2022-03-15 19:18:32,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:18:31" (2/3) ... [2022-03-15 19:18:32,534 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@363224a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 07:18:32, skipping insertion in model container [2022-03-15 19:18:32,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 07:18:32" (3/3) ... [2022-03-15 19:18:32,535 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-min-max-dec.wvr.c [2022-03-15 19:18:32,538 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 19:18:32,539 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-03-15 19:18:32,539 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-15 19:18:32,539 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 19:18:32,575 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,576 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,576 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,576 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,576 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,576 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,577 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,577 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,577 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,577 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,577 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,577 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,577 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,578 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,578 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,578 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,578 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,578 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,578 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,579 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,579 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,579 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,579 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,579 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,579 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,579 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,580 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,580 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,580 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,580 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,580 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,580 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,580 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,580 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,581 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,581 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,581 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,581 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,581 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,581 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,581 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,582 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,582 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,582 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,582 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,582 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,582 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,582 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,582 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,583 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,583 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,583 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,583 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,583 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,584 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,584 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,584 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,584 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,584 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,584 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,584 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,584 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,584 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,584 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,585 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,585 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,585 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,585 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,585 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,585 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,586 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,586 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,586 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,586 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,586 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,586 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,586 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,586 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,586 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,586 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,587 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,587 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,587 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,587 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,587 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,587 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,588 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,588 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,588 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,588 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,588 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,588 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,588 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,588 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,589 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,589 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,589 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,589 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,589 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,589 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,592 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,592 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,592 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,592 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,592 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,593 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,593 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,593 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,593 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,593 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,594 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,594 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,594 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,594 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,594 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,594 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,594 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,594 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,595 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,595 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,595 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,595 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,595 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,595 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,595 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,596 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,596 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:18:32,599 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-03-15 19:18:32,628 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 19:18:32,634 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=Craig_NestedInterpolation, mInterpolantAutomaton=MCR, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, 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=true, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-15 19:18:32,635 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-03-15 19:18:32,651 INFO L126 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-03-15 19:18:32,657 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 173 places, 172 transitions, 376 flow [2022-03-15 19:18:32,662 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 173 places, 172 transitions, 376 flow [2022-03-15 19:18:32,664 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 173 places, 172 transitions, 376 flow [2022-03-15 19:18:32,722 INFO L129 PetriNetUnfolder]: 12/168 cut-off events. [2022-03-15 19:18:32,723 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-03-15 19:18:32,728 INFO L84 FinitePrefix]: Finished finitePrefix Result has 185 conditions, 168 events. 12/168 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 115 event pairs, 0 based on Foata normal form. 0/155 useless extension candidates. Maximal degree in co-relation 134. Up to 2 conditions per place. [2022-03-15 19:18:32,732 INFO L116 LiptonReduction]: Number of co-enabled transitions 2280 [2022-03-15 19:18:37,978 INFO L131 LiptonReduction]: Checked pairs total: 3643 [2022-03-15 19:18:37,978 INFO L133 LiptonReduction]: Total number of compositions: 152 [2022-03-15 19:18:37,984 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 45 places, 36 transitions, 104 flow [2022-03-15 19:18:38,045 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 397 states, 396 states have (on average 3.7222222222222223) internal successors, (1474), 396 states have internal predecessors, (1474), 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) [2022-03-15 19:18:38,048 INFO L276 IsEmpty]: Start isEmpty. Operand has 397 states, 396 states have (on average 3.7222222222222223) internal successors, (1474), 396 states have internal predecessors, (1474), 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) [2022-03-15 19:18:38,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-03-15 19:18:38,070 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 19:18:38,071 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] [2022-03-15 19:18:38,072 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-15 19:18:38,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 19:18:38,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1018268360, now seen corresponding path program 1 times [2022-03-15 19:18:38,090 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 19:18:38,090 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166549359] [2022-03-15 19:18:38,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:18:38,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 19:18:38,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:18:38,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 19:18:38,280 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 19:18:38,280 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166549359] [2022-03-15 19:18:38,280 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166549359] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 19:18:38,280 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 19:18:38,280 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 19:18:38,281 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1575650724] [2022-03-15 19:18:38,282 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 19:18:38,288 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 19:18:38,334 INFO L252 McrAutomatonBuilder]: Finished intersection with 134 states and 296 transitions. [2022-03-15 19:18:38,334 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 19:18:39,018 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [974#(< thread1Thread1of1ForFork0_~i~0 ~N~0)] [2022-03-15 19:18:39,019 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 19:18:39,020 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 19:18:39,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 19:18:39,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-15 19:18:39,050 INFO L87 Difference]: Start difference. First operand has 397 states, 396 states have (on average 3.7222222222222223) internal successors, (1474), 396 states have internal predecessors, (1474), 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 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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) [2022-03-15 19:18:39,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 19:18:39,134 INFO L93 Difference]: Finished difference Result 479 states and 1790 transitions. [2022-03-15 19:18:39,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-15 19:18:39,136 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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 27 [2022-03-15 19:18:39,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 19:18:39,152 INFO L225 Difference]: With dead ends: 479 [2022-03-15 19:18:39,153 INFO L226 Difference]: Without dead ends: 479 [2022-03-15 19:18:39,153 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 104 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-15 19:18:39,157 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 34 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 19:18:39,158 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 3 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 19:18:39,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2022-03-15 19:18:39,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 479. [2022-03-15 19:18:39,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 478 states have (on average 3.7447698744769875) internal successors, (1790), 478 states have internal predecessors, (1790), 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) [2022-03-15 19:18:39,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 1790 transitions. [2022-03-15 19:18:39,240 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 1790 transitions. Word has length 27 [2022-03-15 19:18:39,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 19:18:39,240 INFO L470 AbstractCegarLoop]: Abstraction has 479 states and 1790 transitions. [2022-03-15 19:18:39,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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) [2022-03-15 19:18:39,241 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 1790 transitions. [2022-03-15 19:18:39,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-03-15 19:18:39,249 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 19:18:39,249 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] [2022-03-15 19:18:39,249 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 19:18:39,250 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-15 19:18:39,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 19:18:39,252 INFO L85 PathProgramCache]: Analyzing trace with hash -3985824, now seen corresponding path program 1 times [2022-03-15 19:18:39,253 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 19:18:39,256 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138592291] [2022-03-15 19:18:39,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:18:39,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 19:18:39,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:18:39,364 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-15 19:18:39,365 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 19:18:39,365 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138592291] [2022-03-15 19:18:39,365 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138592291] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 19:18:39,365 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 19:18:39,365 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 19:18:39,365 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1205146367] [2022-03-15 19:18:39,365 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 19:18:39,369 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 19:18:39,405 INFO L252 McrAutomatonBuilder]: Finished intersection with 116 states and 250 transitions. [2022-03-15 19:18:39,405 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 19:18:39,865 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [2416#(< |thread3Thread1of1ForFork3_~i~2#1| ~N~0)] [2022-03-15 19:18:39,866 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 19:18:39,866 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 19:18:39,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 19:18:39,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-15 19:18:39,867 INFO L87 Difference]: Start difference. First operand 479 states and 1790 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 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) [2022-03-15 19:18:39,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 19:18:39,948 INFO L93 Difference]: Finished difference Result 619 states and 2336 transitions. [2022-03-15 19:18:39,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-15 19:18:39,949 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 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 28 [2022-03-15 19:18:39,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 19:18:39,952 INFO L225 Difference]: With dead ends: 619 [2022-03-15 19:18:39,952 INFO L226 Difference]: Without dead ends: 619 [2022-03-15 19:18:39,953 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 79 SyntacticMatches, 8 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-15 19:18:39,953 INFO L933 BasicCegarLoop]: 1 mSDtfsCounter, 28 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 19:18:39,954 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 1 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 19:18:39,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2022-03-15 19:18:39,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 619. [2022-03-15 19:18:39,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 619 states, 618 states have (on average 3.779935275080906) internal successors, (2336), 618 states have internal predecessors, (2336), 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) [2022-03-15 19:18:39,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 2336 transitions. [2022-03-15 19:18:39,979 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 2336 transitions. Word has length 28 [2022-03-15 19:18:39,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 19:18:39,981 INFO L470 AbstractCegarLoop]: Abstraction has 619 states and 2336 transitions. [2022-03-15 19:18:39,981 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 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) [2022-03-15 19:18:39,981 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 2336 transitions. [2022-03-15 19:18:39,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-03-15 19:18:39,984 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 19:18:39,984 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] [2022-03-15 19:18:39,985 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-15 19:18:39,985 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-15 19:18:39,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 19:18:39,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1253729165, now seen corresponding path program 1 times [2022-03-15 19:18:39,987 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 19:18:39,987 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422316750] [2022-03-15 19:18:39,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:18:39,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 19:18:40,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:18:40,055 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-15 19:18:40,055 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 19:18:40,055 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422316750] [2022-03-15 19:18:40,055 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422316750] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 19:18:40,055 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 19:18:40,055 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 19:18:40,056 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [882491564] [2022-03-15 19:18:40,056 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 19:18:40,061 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 19:18:40,086 INFO L252 McrAutomatonBuilder]: Finished intersection with 94 states and 183 transitions. [2022-03-15 19:18:40,086 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 19:18:40,113 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 5 [2022-03-15 19:18:40,217 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 5 [2022-03-15 19:18:40,544 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 19:18:40,544 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 19:18:40,545 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 19:18:40,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 19:18:40,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-15 19:18:40,546 INFO L87 Difference]: Start difference. First operand 619 states and 2336 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 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) [2022-03-15 19:18:40,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 19:18:40,603 INFO L93 Difference]: Finished difference Result 765 states and 2902 transitions. [2022-03-15 19:18:40,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-15 19:18:40,604 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 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 29 [2022-03-15 19:18:40,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 19:18:40,609 INFO L225 Difference]: With dead ends: 765 [2022-03-15 19:18:40,610 INFO L226 Difference]: Without dead ends: 765 [2022-03-15 19:18:40,610 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 52 SyntacticMatches, 13 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-15 19:18:40,612 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 18 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 19:18:40,613 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 3 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 19:18:40,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 765 states. [2022-03-15 19:18:40,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 765 to 765. [2022-03-15 19:18:40,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 765 states, 764 states have (on average 3.798429319371728) internal successors, (2902), 764 states have internal predecessors, (2902), 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) [2022-03-15 19:18:40,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 765 states and 2902 transitions. [2022-03-15 19:18:40,631 INFO L78 Accepts]: Start accepts. Automaton has 765 states and 2902 transitions. Word has length 29 [2022-03-15 19:18:40,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 19:18:40,632 INFO L470 AbstractCegarLoop]: Abstraction has 765 states and 2902 transitions. [2022-03-15 19:18:40,632 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 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) [2022-03-15 19:18:40,633 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 2902 transitions. [2022-03-15 19:18:40,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-03-15 19:18:40,635 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 19:18:40,635 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] [2022-03-15 19:18:40,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-15 19:18:40,635 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-15 19:18:40,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 19:18:40,638 INFO L85 PathProgramCache]: Analyzing trace with hash 902419920, now seen corresponding path program 1 times [2022-03-15 19:18:40,641 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 19:18:40,641 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039428527] [2022-03-15 19:18:40,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:18:40,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 19:18:40,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:18:40,709 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-15 19:18:40,709 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 19:18:40,709 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039428527] [2022-03-15 19:18:40,709 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039428527] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 19:18:40,709 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 19:18:40,709 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 19:18:40,710 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [785886926] [2022-03-15 19:18:40,710 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 19:18:40,716 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 19:18:40,757 INFO L252 McrAutomatonBuilder]: Finished intersection with 82 states and 151 transitions. [2022-03-15 19:18:40,757 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 19:18:40,957 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 19:18:40,957 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 19:18:40,957 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 19:18:40,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 19:18:40,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 19:18:40,958 INFO L87 Difference]: Start difference. First operand 765 states and 2902 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 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) [2022-03-15 19:18:41,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 19:18:41,003 INFO L93 Difference]: Finished difference Result 766 states and 2903 transitions. [2022-03-15 19:18:41,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 19:18:41,003 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 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 30 [2022-03-15 19:18:41,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 19:18:41,007 INFO L225 Difference]: With dead ends: 766 [2022-03-15 19:18:41,008 INFO L226 Difference]: Without dead ends: 766 [2022-03-15 19:18:41,008 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 19:18:41,008 INFO L933 BasicCegarLoop]: 1 mSDtfsCounter, 0 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 19:18:41,009 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 2 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 19:18:41,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2022-03-15 19:18:41,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 766. [2022-03-15 19:18:41,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 766 states, 765 states have (on average 3.794771241830065) internal successors, (2903), 765 states have internal predecessors, (2903), 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) [2022-03-15 19:18:41,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 766 states and 2903 transitions. [2022-03-15 19:18:41,029 INFO L78 Accepts]: Start accepts. Automaton has 766 states and 2903 transitions. Word has length 30 [2022-03-15 19:18:41,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 19:18:41,029 INFO L470 AbstractCegarLoop]: Abstraction has 766 states and 2903 transitions. [2022-03-15 19:18:41,029 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 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) [2022-03-15 19:18:41,030 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 2903 transitions. [2022-03-15 19:18:41,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-03-15 19:18:41,032 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 19:18:41,032 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] [2022-03-15 19:18:41,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-15 19:18:41,032 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-15 19:18:41,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 19:18:41,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1276475981, now seen corresponding path program 1 times [2022-03-15 19:18:41,036 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 19:18:41,037 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751638151] [2022-03-15 19:18:41,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:18:41,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 19:18:41,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:18:41,138 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-15 19:18:41,138 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 19:18:41,138 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751638151] [2022-03-15 19:18:41,138 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751638151] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 19:18:41,139 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 19:18:41,139 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 19:18:41,139 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [111402058] [2022-03-15 19:18:41,139 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 19:18:41,144 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 19:18:41,163 INFO L252 McrAutomatonBuilder]: Finished intersection with 83 states and 152 transitions. [2022-03-15 19:18:41,163 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 19:18:41,729 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [8878#(= (mod ~b2~0 256) 0)] [2022-03-15 19:18:41,729 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 19:18:41,730 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 19:18:41,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 19:18:41,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-15 19:18:41,730 INFO L87 Difference]: Start difference. First operand 766 states and 2903 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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) [2022-03-15 19:18:41,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 19:18:41,812 INFO L93 Difference]: Finished difference Result 921 states and 3414 transitions. [2022-03-15 19:18:41,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-15 19:18:41,812 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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 31 [2022-03-15 19:18:41,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 19:18:41,816 INFO L225 Difference]: With dead ends: 921 [2022-03-15 19:18:41,817 INFO L226 Difference]: Without dead ends: 670 [2022-03-15 19:18:41,817 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-03-15 19:18:41,818 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 29 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 19:18:41,818 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 5 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 19:18:41,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2022-03-15 19:18:41,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 670. [2022-03-15 19:18:41,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 670 states, 669 states have (on average 3.705530642750374) internal successors, (2479), 669 states have internal predecessors, (2479), 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) [2022-03-15 19:18:41,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 2479 transitions. [2022-03-15 19:18:41,836 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 2479 transitions. Word has length 31 [2022-03-15 19:18:41,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 19:18:41,836 INFO L470 AbstractCegarLoop]: Abstraction has 670 states and 2479 transitions. [2022-03-15 19:18:41,836 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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) [2022-03-15 19:18:41,838 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 2479 transitions. [2022-03-15 19:18:41,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-03-15 19:18:41,840 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 19:18:41,840 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] [2022-03-15 19:18:41,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-15 19:18:41,841 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-15 19:18:41,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 19:18:41,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1132558973, now seen corresponding path program 2 times [2022-03-15 19:18:41,842 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 19:18:41,842 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245935375] [2022-03-15 19:18:41,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:18:41,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 19:18:41,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:18:42,078 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-15 19:18:42,079 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 19:18:42,079 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245935375] [2022-03-15 19:18:42,079 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245935375] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 19:18:42,079 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1742009315] [2022-03-15 19:18:42,079 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-15 19:18:42,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 19:18:42,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 19:18:42,080 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) [2022-03-15 19:18:42,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-15 19:18:42,213 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-15 19:18:42,214 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 19:18:42,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 39 conjunts are in the unsatisfiable core [2022-03-15 19:18:42,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 19:18:42,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 19:18:42,406 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 [2022-03-15 19:18:42,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 19:18:42,469 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 [2022-03-15 19:18:42,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 19:18:42,515 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 21 treesize of output 21 [2022-03-15 19:18:42,576 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2022-03-15 19:18:42,626 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 28 [2022-03-15 19:18:42,652 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-15 19:18:42,652 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 19:18:42,972 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_215 (Array Int Int))) (let ((.cse0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_215) c_~A~0.base) c_~A~0.offset))) (or (< .cse0 (+ c_~max~0 1)) (<= c_~min~0 .cse0) (<= 2147483648 .cse0)))) (or (forall ((v_ArrVal_215 (Array Int Int))) (not (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_215) c_~A~0.base) c_~A~0.offset) (+ c_~max~0 1)))) (<= 2147483647 c_~max~0) (<= c_~min~0 (+ c_~max~0 1)))) is different from false [2022-03-15 19:18:43,106 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_215 (Array Int Int)) (v_ArrVal_214 (Array Int Int))) (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_214))) (let ((.cse0 (select (select (store .cse1 |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_215) c_~A~0.base) c_~A~0.offset))) (or (< .cse0 (+ (select (select .cse1 c_~A~0.base) c_~A~0.offset) 1)) (<= c_~min~0 .cse0) (<= 2147483648 .cse0))))) (forall ((v_ArrVal_214 (Array Int Int))) (let ((.cse2 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_214) c_~A~0.base) c_~A~0.offset))) (or (<= 2147483647 .cse2) (forall ((v_ArrVal_215 (Array Int Int))) (let ((.cse3 (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_214) |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_215) c_~A~0.base) c_~A~0.offset))) (or (<= 2147483647 .cse3) (<= c_~min~0 (+ .cse3 1))))) (<= c_~min~0 (+ .cse2 1)))))) is different from false [2022-03-15 19:18:43,180 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_214 (Array Int Int)) (v_ArrVal_213 (Array Int Int))) (let ((.cse1 (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_213) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_214) c_~A~0.base) c_~A~0.offset))) (or (forall ((v_ArrVal_215 (Array Int Int))) (let ((.cse0 (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_213) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_214) |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_215) c_~A~0.base) c_~A~0.offset))) (or (<= 2147483647 .cse0) (<= c_~min~0 (+ .cse0 1))))) (<= c_~min~0 (+ .cse1 1)) (<= 2147483647 .cse1)))) (forall ((v_ArrVal_215 (Array Int Int)) (v_ArrVal_214 (Array Int Int)) (v_ArrVal_213 (Array Int Int))) (let ((.cse3 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_213) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_214))) (let ((.cse2 (select (select (store .cse3 |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_215) c_~A~0.base) c_~A~0.offset))) (or (<= 2147483648 .cse2) (< .cse2 (+ (select (select .cse3 c_~A~0.base) c_~A~0.offset) 1)) (<= c_~min~0 .cse2)))))) is different from false [2022-03-15 19:18:43,458 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (< c_~min~0 (select (select |c_#memory_int| c_~A~0.base) c_~A~0.offset)))) (and (or .cse0 (and (forall ((v_ArrVal_214 (Array Int Int)) (v_ArrVal_213 (Array Int Int))) (let ((.cse2 (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_213) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_214) c_~A~0.base) c_~A~0.offset))) (or (forall ((v_ArrVal_215 (Array Int Int))) (let ((.cse1 (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_213) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_214) |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_215) c_~A~0.base) c_~A~0.offset))) (or (<= 2147483647 .cse1) (<= (select (select |c_#memory_int| c_~A~0.base) c_~A~0.offset) (+ .cse1 1))))) (<= 2147483647 .cse2) (<= (select (select |c_#memory_int| c_~A~0.base) c_~A~0.offset) (+ .cse2 1))))) (forall ((v_ArrVal_215 (Array Int Int)) (v_ArrVal_214 (Array Int Int)) (v_ArrVal_213 (Array Int Int))) (let ((.cse4 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_213) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_214))) (let ((.cse3 (select (select (store .cse4 |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_215) c_~A~0.base) c_~A~0.offset))) (or (<= 2147483648 .cse3) (< .cse3 (+ (select (select .cse4 c_~A~0.base) c_~A~0.offset) 1)) (<= (select (select |c_#memory_int| c_~A~0.base) c_~A~0.offset) .cse3))))))) (or (and (forall ((v_ArrVal_214 (Array Int Int)) (v_ArrVal_213 (Array Int Int))) (let ((.cse6 (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_213) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_214) c_~A~0.base) c_~A~0.offset))) (or (forall ((v_ArrVal_215 (Array Int Int))) (let ((.cse5 (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_213) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_214) |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_215) c_~A~0.base) c_~A~0.offset))) (or (<= 2147483647 .cse5) (<= c_~min~0 (+ .cse5 1))))) (<= c_~min~0 (+ .cse6 1)) (<= 2147483647 .cse6)))) (forall ((v_ArrVal_215 (Array Int Int)) (v_ArrVal_214 (Array Int Int)) (v_ArrVal_213 (Array Int Int))) (let ((.cse8 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_213) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_214))) (let ((.cse7 (select (select (store .cse8 |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_215) c_~A~0.base) c_~A~0.offset))) (or (<= 2147483648 .cse7) (< .cse7 (+ (select (select .cse8 c_~A~0.base) c_~A~0.offset) 1)) (<= c_~min~0 .cse7)))))) (not .cse0)))) is different from false [2022-03-15 19:18:43,482 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1337 treesize of output 1177 [2022-03-15 19:18:43,507 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 947 treesize of output 883 [2022-03-15 19:18:43,526 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1089 treesize of output 1065 [2022-03-15 19:18:43,537 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1065 treesize of output 1017 [2022-03-15 19:18:51,062 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 19:18:51,063 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 19:18:51,065 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42 [2022-03-15 19:18:51,081 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 1 not checked. [2022-03-15 19:18:51,081 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1742009315] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 19:18:51,081 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 19:18:51,081 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 13, 14] total 31 [2022-03-15 19:18:51,081 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [892406636] [2022-03-15 19:18:51,082 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 19:18:51,087 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 19:18:51,111 INFO L252 McrAutomatonBuilder]: Finished intersection with 89 states and 169 transitions. [2022-03-15 19:18:51,111 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 19:18:51,602 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 19:18:51,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 19:18:51,603 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 19:18:51,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 19:18:51,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=182, Invalid=635, Unknown=11, NotChecked=228, Total=1056 [2022-03-15 19:18:51,604 INFO L87 Difference]: Start difference. First operand 670 states and 2479 transitions. Second operand has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 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) [2022-03-15 19:18:51,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 19:18:51,996 INFO L93 Difference]: Finished difference Result 1990 states and 7445 transitions. [2022-03-15 19:18:51,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-15 19:18:51,996 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 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 31 [2022-03-15 19:18:51,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 19:18:52,002 INFO L225 Difference]: With dead ends: 1990 [2022-03-15 19:18:52,002 INFO L226 Difference]: Without dead ends: 1118 [2022-03-15 19:18:52,003 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 87 SyntacticMatches, 6 SemanticMatches, 40 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 561 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=323, Invalid=1088, Unknown=11, NotChecked=300, Total=1722 [2022-03-15 19:18:52,003 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 174 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 19:18:52,003 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [174 Valid, 17 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 19:18:52,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1118 states. [2022-03-15 19:18:52,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1118 to 706. [2022-03-15 19:18:52,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 706 states, 705 states have (on average 3.625531914893617) internal successors, (2556), 705 states have internal predecessors, (2556), 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) [2022-03-15 19:18:52,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 2556 transitions. [2022-03-15 19:18:52,021 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 2556 transitions. Word has length 31 [2022-03-15 19:18:52,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 19:18:52,021 INFO L470 AbstractCegarLoop]: Abstraction has 706 states and 2556 transitions. [2022-03-15 19:18:52,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 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) [2022-03-15 19:18:52,022 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 2556 transitions. [2022-03-15 19:18:52,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-03-15 19:18:52,023 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 19:18:52,023 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] [2022-03-15 19:18:52,046 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-03-15 19:18:52,239 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-03-15 19:18:52,241 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-15 19:18:52,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 19:18:52,241 INFO L85 PathProgramCache]: Analyzing trace with hash 536447519, now seen corresponding path program 3 times [2022-03-15 19:18:52,243 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 19:18:52,243 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401630872] [2022-03-15 19:18:52,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:18:52,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 19:18:52,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:18:52,469 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-15 19:18:52,470 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 19:18:52,470 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401630872] [2022-03-15 19:18:52,470 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401630872] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 19:18:52,470 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1060133716] [2022-03-15 19:18:52,470 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-15 19:18:52,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 19:18:52,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 19:18:52,471 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) [2022-03-15 19:18:52,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-15 19:18:52,661 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-03-15 19:18:52,661 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 19:18:52,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 40 conjunts are in the unsatisfiable core [2022-03-15 19:18:52,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 19:18:52,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 19:18:52,837 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 [2022-03-15 19:18:52,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 19:18:52,890 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 [2022-03-15 19:18:52,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 19:18:52,921 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 [2022-03-15 19:18:53,021 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2022-03-15 19:18:53,107 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 28 [2022-03-15 19:18:53,175 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-15 19:18:53,176 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 19:18:53,649 WARN L838 $PredicateComparison]: unable to prove that (or (= c_~b1~0 (* 256 (div c_~b1~0 256))) (forall ((v_ArrVal_284 (Array Int Int))) (let ((.cse0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_284) c_~A~0.base) c_~A~0.offset))) (or (<= c_~min~0 (+ .cse0 1)) (<= 2147483647 .cse0))))) is different from false [2022-03-15 19:18:53,670 WARN L838 $PredicateComparison]: unable to prove that (or (= c_~b1~0 (* 256 (div c_~b1~0 256))) (forall ((v_ArrVal_283 (Array Int Int)) (v_ArrVal_284 (Array Int Int))) (let ((.cse0 (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_283) |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_284) c_~A~0.base) c_~A~0.offset))) (or (<= c_~min~0 (+ .cse0 1)) (<= 2147483647 .cse0))))) is different from false [2022-03-15 19:18:53,691 WARN L838 $PredicateComparison]: unable to prove that (or (= c_~b1~0 (* 256 (div c_~b1~0 256))) (forall ((v_ArrVal_283 (Array Int Int)) (v_ArrVal_282 (Array Int Int)) (v_ArrVal_284 (Array Int Int))) (let ((.cse0 (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_282) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_283) |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_284) c_~A~0.base) c_~A~0.offset))) (or (<= c_~min~0 (+ .cse0 1)) (<= 2147483647 .cse0))))) is different from false [2022-03-15 19:18:53,774 WARN L838 $PredicateComparison]: unable to prove that (or (= c_~b1~0 (* 256 (div c_~b1~0 256))) (forall ((v_ArrVal_283 (Array Int Int)) (v_ArrVal_282 (Array Int Int)) (v_ArrVal_284 (Array Int Int))) (let ((.cse3 (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_282) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_283) |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_284) c_~A~0.base) c_~A~0.offset))) (or (let ((.cse1 (select (select |c_#memory_int| c_~A~0.base) (+ c_~A~0.offset (* c_thread1Thread1of1ForFork0_~i~0 4))))) (let ((.cse0 (< c_~min~0 .cse1)) (.cse2 (+ .cse3 1))) (and (or .cse0 (<= .cse1 .cse2)) (or (not .cse0) (<= c_~min~0 .cse2))))) (<= 2147483647 .cse3))))) is different from false [2022-03-15 19:18:53,808 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_283 (Array Int Int)) (v_ArrVal_282 (Array Int Int)) (v_ArrVal_284 (Array Int Int))) (let ((.cse3 (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_282) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_283) |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_284) c_~A~0.base) c_~A~0.offset))) (or (let ((.cse2 (select (select |c_#memory_int| c_~A~0.base) c_~A~0.offset))) (let ((.cse0 (+ .cse3 1)) (.cse1 (< c_~min~0 .cse2))) (and (or (<= c_~min~0 .cse0) (not .cse1)) (or (<= .cse2 .cse0) .cse1)))) (<= 2147483647 .cse3)))) is different from false [2022-03-15 19:18:53,816 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1091 treesize of output 963 [2022-03-15 19:18:53,832 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 947 treesize of output 915 [2022-03-15 19:18:53,838 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 915 treesize of output 851 [2022-03-15 19:18:53,847 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 435 treesize of output 419 [2022-03-15 19:18:56,149 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 1 not checked. [2022-03-15 19:18:56,149 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1060133716] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 19:18:56,149 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 19:18:56,149 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 14, 13] total 32 [2022-03-15 19:18:56,149 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [535552499] [2022-03-15 19:18:56,149 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 19:18:56,153 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 19:18:56,175 INFO L252 McrAutomatonBuilder]: Finished intersection with 93 states and 181 transitions. [2022-03-15 19:18:56,175 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 19:18:56,747 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 19:18:56,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 19:18:56,748 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 19:18:56,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 19:18:56,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=667, Unknown=5, NotChecked=290, Total=1122 [2022-03-15 19:18:56,748 INFO L87 Difference]: Start difference. First operand 706 states and 2556 transitions. Second operand has 10 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 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) [2022-03-15 19:18:57,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 19:18:57,138 INFO L93 Difference]: Finished difference Result 1502 states and 5542 transitions. [2022-03-15 19:18:57,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-15 19:18:57,139 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 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 31 [2022-03-15 19:18:57,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 19:18:57,143 INFO L225 Difference]: With dead ends: 1502 [2022-03-15 19:18:57,143 INFO L226 Difference]: Without dead ends: 934 [2022-03-15 19:18:57,144 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 87 SyntacticMatches, 7 SemanticMatches, 41 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 592 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=279, Invalid=1142, Unknown=5, NotChecked=380, Total=1806 [2022-03-15 19:18:57,144 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 231 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 19:18:57,145 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [231 Valid, 13 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 19:18:57,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 934 states. [2022-03-15 19:18:57,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 934 to 670. [2022-03-15 19:18:57,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 670 states, 669 states have (on average 3.633781763826607) internal successors, (2431), 669 states have internal predecessors, (2431), 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) [2022-03-15 19:18:57,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 2431 transitions. [2022-03-15 19:18:57,165 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 2431 transitions. Word has length 31 [2022-03-15 19:18:57,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 19:18:57,165 INFO L470 AbstractCegarLoop]: Abstraction has 670 states and 2431 transitions. [2022-03-15 19:18:57,165 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 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) [2022-03-15 19:18:57,165 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 2431 transitions. [2022-03-15 19:18:57,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-03-15 19:18:57,167 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 19:18:57,167 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] [2022-03-15 19:18:57,186 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-15 19:18:57,386 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-03-15 19:18:57,389 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-15 19:18:57,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 19:18:57,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1887723351, now seen corresponding path program 4 times [2022-03-15 19:18:57,390 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 19:18:57,390 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456537761] [2022-03-15 19:18:57,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:18:57,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 19:18:57,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:18:57,624 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-15 19:18:57,625 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 19:18:57,625 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456537761] [2022-03-15 19:18:57,625 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456537761] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 19:18:57,625 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1084728172] [2022-03-15 19:18:57,625 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-15 19:18:57,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 19:18:57,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 19:18:57,626 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) [2022-03-15 19:18:57,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-15 19:18:57,723 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-15 19:18:57,723 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 19:18:57,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 45 conjunts are in the unsatisfiable core [2022-03-15 19:18:57,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 19:18:57,762 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 [2022-03-15 19:18:57,792 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 [2022-03-15 19:18:57,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 19:18:57,888 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 [2022-03-15 19:18:57,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 19:18:57,918 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 [2022-03-15 19:18:57,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 19:18:57,945 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 [2022-03-15 19:18:58,000 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-03-15 19:18:58,057 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-03-15 19:18:58,079 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 19:18:58,079 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 19:18:58,314 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_356 (Array Int Int))) (let ((.cse0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_356) c_~A~0.base) c_~A~0.offset))) (or (<= c_~min~0 .cse0) (<= 2147483648 .cse0)))) is different from false [2022-03-15 19:18:58,325 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_355 (Array Int Int)) (v_ArrVal_356 (Array Int Int))) (let ((.cse0 (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_355) |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_356) c_~A~0.base) c_~A~0.offset))) (or (<= 2147483648 .cse0) (<= c_~min~0 .cse0)))) is different from false [2022-03-15 19:18:58,337 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_355 (Array Int Int)) (v_ArrVal_354 (Array Int Int)) (v_ArrVal_356 (Array Int Int))) (let ((.cse0 (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_354) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_355) |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_356) c_~A~0.base) c_~A~0.offset))) (or (<= 2147483648 .cse0) (<= c_~min~0 .cse0)))) is different from false [2022-03-15 19:18:58,397 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_355 (Array Int Int)) (v_ArrVal_354 (Array Int Int)) (v_ArrVal_356 (Array Int Int))) (let ((.cse1 (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_354) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_355) |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_356) c_~A~0.base) c_~A~0.offset))) (or (let ((.cse2 (select (select |c_#memory_int| c_~A~0.base) (+ c_~A~0.offset (* c_thread1Thread1of1ForFork0_~i~0 4))))) (let ((.cse0 (< c_~min~0 .cse2))) (and (or (not .cse0) (<= c_~min~0 .cse1)) (or .cse0 (<= .cse2 .cse1))))) (<= 2147483648 .cse1)))) is different from false [2022-03-15 19:18:58,426 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_355 (Array Int Int)) (v_ArrVal_354 (Array Int Int)) (v_ArrVal_356 (Array Int Int))) (let ((.cse0 (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_354) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_355) |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_356) c_~A~0.base) c_~A~0.offset))) (or (<= 2147483648 .cse0) (let ((.cse2 (select (select |c_#memory_int| c_~A~0.base) c_~A~0.offset))) (let ((.cse1 (< c_~min~0 .cse2))) (and (or (not .cse1) (<= c_~min~0 .cse0)) (or .cse1 (<= .cse2 .cse0)))))))) is different from false [2022-03-15 19:18:58,436 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_355 (Array Int Int)) (v_ArrVal_354 (Array Int Int)) (v_ArrVal_356 (Array Int Int))) (let ((.cse0 (select (select (store (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_354) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_355) |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_356) c_~A~0.base) c_~A~0.offset))) (or (<= 2147483648 .cse0) (<= (select (select |c_#memory_int| c_~A~0.base) c_~A~0.offset) .cse0)))) is different from false [2022-03-15 19:18:58,451 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_353 (Array Int Int)) (v_ArrVal_355 (Array Int Int)) (v_ArrVal_354 (Array Int Int)) (v_ArrVal_356 (Array Int Int))) (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_353))) (let ((.cse0 (select (select (store (store (store .cse1 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_354) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_355) |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_356) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))) (or (<= 2147483648 .cse0) (<= (select (select .cse1 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) .cse0))))) is different from false [2022-03-15 19:18:58,468 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 19:18:58,468 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 82 treesize of output 58 [2022-03-15 19:18:58,473 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6395 treesize of output 5851 [2022-03-15 19:18:58,621 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5779 treesize of output 5507 [2022-03-15 19:18:58,644 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5507 treesize of output 5411 [2022-03-15 19:18:58,673 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2707 treesize of output 2515 [2022-03-15 19:18:58,695 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5219 treesize of output 4835 Received shutdown request... [2022-03-15 19:31:59,082 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-03-15 19:31:59,097 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-15 19:31:59,098 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-03-15 19:31:59,122 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-15 19:31:59,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 19:31:59,283 WARN L594 AbstractCegarLoop]: Verification canceled: while BasicCegarLoop was analyzing trace of length 32 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. [2022-03-15 19:31:59,284 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-03-15 19:31:59,284 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-03-15 19:31:59,284 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-03-15 19:31:59,284 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-03-15 19:31:59,286 INFO L732 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1] [2022-03-15 19:31:59,287 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-15 19:31:59,287 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-15 19:31:59,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 07:31:59 BasicIcfg [2022-03-15 19:31:59,289 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-15 19:31:59,289 INFO L158 Benchmark]: Toolchain (without parser) took 807495.85ms. Allocated memory was 192.9MB in the beginning and 745.5MB in the end (delta: 552.6MB). Free memory was 141.7MB in the beginning and 334.4MB in the end (delta: -192.7MB). Peak memory consumption was 456.8MB. Max. memory is 8.0GB. [2022-03-15 19:31:59,289 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 192.9MB. Free memory is still 158.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 19:31:59,289 INFO L158 Benchmark]: CACSL2BoogieTranslator took 185.50ms. Allocated memory is still 192.9MB. Free memory was 141.6MB in the beginning and 167.3MB in the end (delta: -25.7MB). Peak memory consumption was 9.5MB. Max. memory is 8.0GB. [2022-03-15 19:31:59,290 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.99ms. Allocated memory is still 192.9MB. Free memory was 167.3MB in the beginning and 165.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-15 19:31:59,290 INFO L158 Benchmark]: Boogie Preprocessor took 45.32ms. Allocated memory is still 192.9MB. Free memory was 165.7MB in the beginning and 164.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-15 19:31:59,290 INFO L158 Benchmark]: RCFGBuilder took 457.31ms. Allocated memory is still 192.9MB. Free memory was 163.6MB in the beginning and 142.7MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2022-03-15 19:31:59,291 INFO L158 Benchmark]: TraceAbstraction took 806758.35ms. Allocated memory was 192.9MB in the beginning and 745.5MB in the end (delta: 552.6MB). Free memory was 142.1MB in the beginning and 334.4MB in the end (delta: -192.2MB). Peak memory consumption was 456.7MB. Max. memory is 8.0GB. [2022-03-15 19:31:59,292 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 192.9MB. Free memory is still 158.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 185.50ms. Allocated memory is still 192.9MB. Free memory was 141.6MB in the beginning and 167.3MB in the end (delta: -25.7MB). Peak memory consumption was 9.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 41.99ms. Allocated memory is still 192.9MB. Free memory was 167.3MB in the beginning and 165.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 45.32ms. Allocated memory is still 192.9MB. Free memory was 165.7MB in the beginning and 164.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 457.31ms. Allocated memory is still 192.9MB. Free memory was 163.6MB in the beginning and 142.7MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * TraceAbstraction took 806758.35ms. Allocated memory was 192.9MB in the beginning and 745.5MB in the end (delta: 552.6MB). Free memory was 142.1MB in the beginning and 334.4MB in the end (delta: -192.2MB). Peak memory consumption was 456.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.3s, 173 PlacesBefore, 45 PlacesAfterwards, 172 TransitionsBefore, 36 TransitionsAfterwards, 2280 CoEnabledTransitionPairs, 7 FixpointIterations, 88 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 14 TrivialYvCompositions, 6 ConcurrentYvCompositions, 8 ChoiceCompositions, 152 TotalNumberOfCompositions, 3643 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2637, positive: 2531, positive conditional: 0, positive unconditional: 2531, negative: 106, negative conditional: 0, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1245, positive: 1209, positive conditional: 0, positive unconditional: 1209, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2637, positive: 1322, positive conditional: 0, positive unconditional: 1322, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 1245, unknown conditional: 0, unknown unconditional: 1245] , Statistics on independence cache: Total cache size (in pairs): 108, Positive cache size: 97, Positive conditional cache size: 0, Positive unconditional cache size: 97, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 120]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was analyzing trace of length 32 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 111]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 32 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 113]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 32 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 110]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 32 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 112]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 32 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 200 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 806.7s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.4s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 514 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 514 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 456 mSDsCounter, 97 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1127 IncrementalHoareTripleChecker+Invalid, 1224 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 97 mSolverCounterUnsat, 17 mSDtfsCounter, 1127 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 641 GetRequests, 511 SyntacticMatches, 36 SemanticMatches, 94 ConstructedPredicates, 9 IntricatePredicates, 0 DeprecatedPredicates, 1165 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=766occurred in iteration=4, InterpolantAutomatonStates: 42, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 676 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 12.9s InterpolantComputationTime, 269 NumberOfCodeBlocks, 269 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 320 ConstructedInterpolants, 20 QuantifiedInterpolants, 5263 SizeOfPredicates, 36 NumberOfNonLiveVariables, 580 ConjunctsInSsa, 79 ConjunctsInUnsatCore, 11 InterpolantComputations, 5 PerfectInterpolantSequences, 20/34 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown