/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-more-buffer-series.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-15 19:22:34,921 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 19:22:34,945 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 19:22:34,980 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-15 19:22:34,980 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-15 19:22:34,981 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-15 19:22:34,981 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-15 19:22:34,983 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-15 19:22:34,987 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-15 19:22:34,988 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-15 19:22:34,988 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-15 19:22:34,989 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-15 19:22:34,989 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-15 19:22:34,990 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-15 19:22:34,990 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-15 19:22:34,991 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-15 19:22:34,991 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-15 19:22:34,992 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-15 19:22:34,996 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-15 19:22:34,997 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-15 19:22:34,997 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-15 19:22:35,001 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-15 19:22:35,002 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-15 19:22:35,002 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-15 19:22:35,004 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-15 19:22:35,004 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-15 19:22:35,004 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-15 19:22:35,004 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-15 19:22:35,005 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-15 19:22:35,005 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-15 19:22:35,005 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-15 19:22:35,006 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-15 19:22:35,006 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-15 19:22:35,007 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-15 19:22:35,007 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-15 19:22:35,007 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-15 19:22:35,008 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-15 19:22:35,008 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-15 19:22:35,008 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-15 19:22:35,008 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-15 19:22:35,009 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-15 19:22:35,010 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 19:22:35,031 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 19:22:35,031 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 19:22:35,032 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 19:22:35,032 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 19:22:35,033 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 19:22:35,033 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 19:22:35,033 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 19:22:35,033 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 19:22:35,034 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 19:22:35,034 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 19:22:35,034 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 19:22:35,034 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 19:22:35,034 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 19:22:35,035 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 19:22:35,035 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 19:22:35,035 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 19:22:35,035 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 19:22:35,035 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 19:22:35,035 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 19:22:35,035 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 19:22:35,035 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 19:22:35,035 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 19:22:35,035 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 19:22:35,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 19:22:35,036 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 19:22:35,036 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-03-15 19:22:35,036 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 19:22:35,036 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 19:22:35,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 19:22:35,036 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2022-03-15 19:22:35,037 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2022-03-15 19:22:35,037 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 19:22:35,037 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-15 19:22:35,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 19:22:35,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 19:22:35,214 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 19:22:35,214 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-15 19:22:35,215 INFO L275 PluginConnector]: CDTParser initialized [2022-03-15 19:22:35,216 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c [2022-03-15 19:22:35,283 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff1189c96/1d1be3554b564cfa9f50777ef90ef6e9/FLAG2b6bb0c3e [2022-03-15 19:22:35,624 INFO L306 CDTParser]: Found 1 translation units. [2022-03-15 19:22:35,624 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c [2022-03-15 19:22:35,629 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff1189c96/1d1be3554b564cfa9f50777ef90ef6e9/FLAG2b6bb0c3e [2022-03-15 19:22:35,636 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff1189c96/1d1be3554b564cfa9f50777ef90ef6e9 [2022-03-15 19:22:35,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 19:22:35,639 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-15 19:22:35,640 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-15 19:22:35,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-15 19:22:35,642 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-15 19:22:35,642 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 07:22:35" (1/1) ... [2022-03-15 19:22:35,643 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@830f8c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:22:35, skipping insertion in model container [2022-03-15 19:22:35,643 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 07:22:35" (1/1) ... [2022-03-15 19:22:35,647 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-15 19:22:35,662 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-15 19:22:35,825 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-more-buffer-series.wvr.c[4351,4364] [2022-03-15 19:22:35,835 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 19:22:35,840 INFO L203 MainTranslator]: Completed pre-run [2022-03-15 19:22:35,861 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-more-buffer-series.wvr.c[4351,4364] [2022-03-15 19:22:35,863 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 19:22:35,874 INFO L208 MainTranslator]: Completed translation [2022-03-15 19:22:35,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:22:35 WrapperNode [2022-03-15 19:22:35,875 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-15 19:22:35,876 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 19:22:35,876 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 19:22:35,876 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 19:22:35,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:22:35" (1/1) ... [2022-03-15 19:22:35,886 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:22:35" (1/1) ... [2022-03-15 19:22:35,914 INFO L137 Inliner]: procedures = 27, calls = 87, calls flagged for inlining = 22, calls inlined = 28, statements flattened = 350 [2022-03-15 19:22:35,914 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 19:22:35,915 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 19:22:35,915 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 19:22:35,915 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 19:22:35,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:22:35" (1/1) ... [2022-03-15 19:22:35,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:22:35" (1/1) ... [2022-03-15 19:22:35,928 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:22:35" (1/1) ... [2022-03-15 19:22:35,928 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:22:35" (1/1) ... [2022-03-15 19:22:35,935 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:22:35" (1/1) ... [2022-03-15 19:22:35,938 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:22:35" (1/1) ... [2022-03-15 19:22:35,940 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:22:35" (1/1) ... [2022-03-15 19:22:35,942 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 19:22:35,943 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 19:22:35,943 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 19:22:35,943 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 19:22:35,944 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:22:35" (1/1) ... [2022-03-15 19:22:35,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 19:22:35,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 19:22:35,977 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 19:22:35,979 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 19:22:36,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-15 19:22:36,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-15 19:22:36,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-15 19:22:36,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-15 19:22:36,005 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-15 19:22:36,005 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-15 19:22:36,005 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-15 19:22:36,005 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-15 19:22:36,005 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-15 19:22:36,006 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-15 19:22:36,007 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-03-15 19:22:36,007 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-03-15 19:22:36,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-15 19:22:36,007 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-03-15 19:22:36,007 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-03-15 19:22:36,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-15 19:22:36,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 19:22:36,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 19:22:36,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-15 19:22:36,009 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 19:22:36,078 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 19:22:36,079 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 19:22:36,447 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 19:22:36,580 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 19:22:36,581 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2022-03-15 19:22:36,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 07:22:36 BoogieIcfgContainer [2022-03-15 19:22:36,582 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 19:22:36,584 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 19:22:36,584 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 19:22:36,588 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 19:22:36,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 07:22:35" (1/3) ... [2022-03-15 19:22:36,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24edbdc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 07:22:36, skipping insertion in model container [2022-03-15 19:22:36,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:22:35" (2/3) ... [2022-03-15 19:22:36,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24edbdc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 07:22:36, skipping insertion in model container [2022-03-15 19:22:36,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 07:22:36" (3/3) ... [2022-03-15 19:22:36,590 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-series.wvr.c [2022-03-15 19:22:36,593 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 19:22:36,593 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-03-15 19:22:36,594 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-15 19:22:36,596 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 19:22:36,634 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,635 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,635 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,636 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,636 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,636 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,636 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,636 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,637 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,637 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,637 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,637 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,637 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,637 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,637 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,638 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,638 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,638 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,638 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,639 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,639 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,639 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,639 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,640 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,642 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,642 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,643 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,643 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,643 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,643 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,644 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,644 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,644 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,644 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,644 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,644 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,645 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,645 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,645 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,645 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,645 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,645 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,645 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,645 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,646 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,646 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,646 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,646 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,646 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,647 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,647 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,648 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,648 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,648 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,648 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,649 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,649 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,649 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,649 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,649 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,649 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,649 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,650 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,650 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,650 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,650 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,650 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,650 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,650 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,650 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,651 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,651 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,651 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,652 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,652 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,652 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,652 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,652 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,652 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,652 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,653 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,653 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,654 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,654 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,655 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,656 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,657 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,662 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,662 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,662 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,662 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,662 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,663 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,663 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,663 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,663 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,663 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,664 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,664 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,664 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,664 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,664 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,666 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,666 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,666 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,666 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,666 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,666 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,666 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,666 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,666 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,666 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,667 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,668 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,672 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,672 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,672 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,672 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,672 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,672 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,672 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,673 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,673 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,673 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,673 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,673 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,673 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,674 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,674 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,674 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,674 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,674 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,674 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,674 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,674 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,674 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,675 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,675 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,675 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,676 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,676 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,676 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,676 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,676 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,676 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,676 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,676 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,676 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,676 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,676 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,677 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,678 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,678 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,678 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,678 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,678 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,679 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,679 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,679 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:22:36,683 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-03-15 19:22:36,720 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 19:22:36,725 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 19:22:36,725 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-03-15 19:22:36,735 INFO L126 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-03-15 19:22:36,743 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 258 places, 267 transitions, 566 flow [2022-03-15 19:22:36,745 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 258 places, 267 transitions, 566 flow [2022-03-15 19:22:36,746 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 258 places, 267 transitions, 566 flow [2022-03-15 19:22:36,867 INFO L129 PetriNetUnfolder]: 22/263 cut-off events. [2022-03-15 19:22:36,867 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-03-15 19:22:36,871 INFO L84 FinitePrefix]: Finished finitePrefix Result has 280 conditions, 263 events. 22/263 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 135 event pairs, 0 based on Foata normal form. 0/240 useless extension candidates. Maximal degree in co-relation 224. Up to 2 conditions per place. [2022-03-15 19:22:36,874 INFO L116 LiptonReduction]: Number of co-enabled transitions 2000 [2022-03-15 19:22:44,643 INFO L131 LiptonReduction]: Checked pairs total: 4071 [2022-03-15 19:22:44,643 INFO L133 LiptonReduction]: Total number of compositions: 264 [2022-03-15 19:22:44,649 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 50 places, 44 transitions, 120 flow [2022-03-15 19:22:44,735 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 855 states, 854 states have (on average 4.17096018735363) internal successors, (3562), 854 states have internal predecessors, (3562), 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 19:22:44,739 INFO L276 IsEmpty]: Start isEmpty. Operand has 855 states, 854 states have (on average 4.17096018735363) internal successors, (3562), 854 states have internal predecessors, (3562), 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 19:22:44,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-03-15 19:22:44,759 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 19:22:44,759 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 19:22:44,760 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 19:22:44,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 19:22:44,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1521888785, now seen corresponding path program 1 times [2022-03-15 19:22:44,777 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 19:22:44,778 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566352134] [2022-03-15 19:22:44,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:22:44,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 19:22:45,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:22:45,178 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 19:22:45,178 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 19:22:45,179 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566352134] [2022-03-15 19:22:45,179 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566352134] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 19:22:45,179 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 19:22:45,180 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-03-15 19:22:45,180 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [697580439] [2022-03-15 19:22:45,181 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 19:22:45,186 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 19:22:45,296 INFO L252 McrAutomatonBuilder]: Finished intersection with 325 states and 948 transitions. [2022-03-15 19:22:45,296 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 19:22:47,576 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 19:22:47,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 19:22:47,577 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 19:22:47,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 19:22:47,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 19:22:47,605 INFO L87 Difference]: Start difference. First operand has 855 states, 854 states have (on average 4.17096018735363) internal successors, (3562), 854 states have internal predecessors, (3562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 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 19:22:47,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 19:22:47,700 INFO L93 Difference]: Finished difference Result 1262 states and 5287 transitions. [2022-03-15 19:22:47,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 19:22:47,702 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 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 19:22:47,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 19:22:47,718 INFO L225 Difference]: With dead ends: 1262 [2022-03-15 19:22:47,718 INFO L226 Difference]: Without dead ends: 1217 [2022-03-15 19:22:47,719 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 296 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 19:22:47,721 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 7 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 19:22:47,722 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 12 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 19:22:47,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1217 states. [2022-03-15 19:22:47,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1217 to 1217. [2022-03-15 19:22:47,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1217 states, 1216 states have (on average 4.194078947368421) internal successors, (5100), 1216 states have internal predecessors, (5100), 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 19:22:47,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 1217 states and 5100 transitions. [2022-03-15 19:22:47,796 INFO L78 Accepts]: Start accepts. Automaton has 1217 states and 5100 transitions. Word has length 28 [2022-03-15 19:22:47,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 19:22:47,797 INFO L470 AbstractCegarLoop]: Abstraction has 1217 states and 5100 transitions. [2022-03-15 19:22:47,797 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 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 19:22:47,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1217 states and 5100 transitions. [2022-03-15 19:22:47,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-03-15 19:22:47,801 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 19:22:47,801 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 19:22:47,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 19:22:47,801 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 19:22:47,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 19:22:47,802 INFO L85 PathProgramCache]: Analyzing trace with hash 2141874807, now seen corresponding path program 1 times [2022-03-15 19:22:47,803 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 19:22:47,803 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403058537] [2022-03-15 19:22:47,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:22:47,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 19:22:47,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:22:47,874 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 19:22:47,875 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 19:22:47,875 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403058537] [2022-03-15 19:22:47,875 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403058537] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 19:22:47,875 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 19:22:47,875 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 19:22:47,875 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [538129231] [2022-03-15 19:22:47,875 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 19:22:47,882 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 19:22:48,110 INFO L252 McrAutomatonBuilder]: Finished intersection with 485 states and 1486 transitions. [2022-03-15 19:22:48,111 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 19:22:51,425 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 19:22:51,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 19:22:51,426 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 19:22:51,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 19:22:51,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 19:22:51,427 INFO L87 Difference]: Start difference. First operand 1217 states and 5100 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 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 19:22:51,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 19:22:51,502 INFO L93 Difference]: Finished difference Result 1655 states and 6692 transitions. [2022-03-15 19:22:51,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 19:22:51,503 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 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 30 [2022-03-15 19:22:51,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 19:22:51,512 INFO L225 Difference]: With dead ends: 1655 [2022-03-15 19:22:51,512 INFO L226 Difference]: Without dead ends: 1619 [2022-03-15 19:22:51,512 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 456 GetRequests, 238 SyntacticMatches, 217 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 19:22:51,513 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 10 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 19:22:51,514 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 8 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 19:22:51,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1619 states. [2022-03-15 19:22:51,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1619 to 1505. [2022-03-15 19:22:51,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1505 states, 1504 states have (on average 4.1236702127659575) internal successors, (6202), 1504 states have internal predecessors, (6202), 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 19:22:51,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1505 states to 1505 states and 6202 transitions. [2022-03-15 19:22:51,552 INFO L78 Accepts]: Start accepts. Automaton has 1505 states and 6202 transitions. Word has length 30 [2022-03-15 19:22:51,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 19:22:51,553 INFO L470 AbstractCegarLoop]: Abstraction has 1505 states and 6202 transitions. [2022-03-15 19:22:51,553 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 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 19:22:51,553 INFO L276 IsEmpty]: Start isEmpty. Operand 1505 states and 6202 transitions. [2022-03-15 19:22:51,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-03-15 19:22:51,557 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 19:22:51,557 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 19:22:51,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-15 19:22:51,557 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 19:22:51,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 19:22:51,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1664433141, now seen corresponding path program 1 times [2022-03-15 19:22:51,560 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 19:22:51,560 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872199815] [2022-03-15 19:22:51,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:22:51,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 19:22:51,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:22:51,619 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 19:22:51,619 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 19:22:51,621 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872199815] [2022-03-15 19:22:51,622 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872199815] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 19:22:51,622 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 19:22:51,622 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 19:22:51,622 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [817813652] [2022-03-15 19:22:51,622 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 19:22:51,628 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 19:22:51,790 INFO L252 McrAutomatonBuilder]: Finished intersection with 490 states and 1508 transitions. [2022-03-15 19:22:51,790 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 19:22:54,775 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 19:22:54,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 19:22:54,776 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 19:22:54,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 19:22:54,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 19:22:54,776 INFO L87 Difference]: Start difference. First operand 1505 states and 6202 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 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 19:22:54,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 19:22:54,851 INFO L93 Difference]: Finished difference Result 1955 states and 7731 transitions. [2022-03-15 19:22:54,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 19:22:54,851 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 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 30 [2022-03-15 19:22:54,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 19:22:54,861 INFO L225 Difference]: With dead ends: 1955 [2022-03-15 19:22:54,861 INFO L226 Difference]: Without dead ends: 1889 [2022-03-15 19:22:54,862 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 461 GetRequests, 460 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 19:22:54,862 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 12 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 19:22:54,863 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 8 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 19:22:54,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1889 states. [2022-03-15 19:22:54,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1889 to 1733. [2022-03-15 19:22:54,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1733 states, 1732 states have (on average 4.054849884526559) internal successors, (7023), 1732 states have internal predecessors, (7023), 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 19:22:54,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1733 states to 1733 states and 7023 transitions. [2022-03-15 19:22:54,902 INFO L78 Accepts]: Start accepts. Automaton has 1733 states and 7023 transitions. Word has length 30 [2022-03-15 19:22:54,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 19:22:54,902 INFO L470 AbstractCegarLoop]: Abstraction has 1733 states and 7023 transitions. [2022-03-15 19:22:54,902 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 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 19:22:54,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1733 states and 7023 transitions. [2022-03-15 19:22:54,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-03-15 19:22:54,907 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 19:22:54,907 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 19:22:54,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-15 19:22:54,907 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 19:22:54,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 19:22:54,907 INFO L85 PathProgramCache]: Analyzing trace with hash -1557110987, now seen corresponding path program 1 times [2022-03-15 19:22:54,908 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 19:22:54,908 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125501880] [2022-03-15 19:22:54,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:22:54,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 19:22:54,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:22:54,964 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-15 19:22:54,964 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 19:22:54,964 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125501880] [2022-03-15 19:22:54,966 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125501880] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 19:22:54,968 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 19:22:54,968 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 19:22:54,968 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [562689592] [2022-03-15 19:22:54,968 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 19:22:54,974 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 19:22:55,115 INFO L252 McrAutomatonBuilder]: Finished intersection with 410 states and 1189 transitions. [2022-03-15 19:22:55,115 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 19:22:57,492 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 19:22:57,566 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 19:22:57,567 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 19:22:57,567 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 19:22:57,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 19:22:57,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-15 19:22:57,568 INFO L87 Difference]: Start difference. First operand 1733 states and 7023 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 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 19:22:57,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 19:22:57,679 INFO L93 Difference]: Finished difference Result 2421 states and 9413 transitions. [2022-03-15 19:22:57,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-15 19:22:57,679 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 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 32 [2022-03-15 19:22:57,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 19:22:57,692 INFO L225 Difference]: With dead ends: 2421 [2022-03-15 19:22:57,693 INFO L226 Difference]: Without dead ends: 2361 [2022-03-15 19:22:57,693 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 380 GetRequests, 378 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-15 19:22:57,698 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 24 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 19:22:57,698 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 18 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 19:22:57,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2361 states. [2022-03-15 19:22:57,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2361 to 2049. [2022-03-15 19:22:57,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2049 states, 2048 states have (on average 4.025390625) internal successors, (8244), 2048 states have internal predecessors, (8244), 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 19:22:57,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2049 states to 2049 states and 8244 transitions. [2022-03-15 19:22:57,751 INFO L78 Accepts]: Start accepts. Automaton has 2049 states and 8244 transitions. Word has length 32 [2022-03-15 19:22:57,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 19:22:57,752 INFO L470 AbstractCegarLoop]: Abstraction has 2049 states and 8244 transitions. [2022-03-15 19:22:57,752 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 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 19:22:57,752 INFO L276 IsEmpty]: Start isEmpty. Operand 2049 states and 8244 transitions. [2022-03-15 19:22:57,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-03-15 19:22:57,758 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 19:22:57,758 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 19:22:57,758 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-15 19:22:57,758 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 19:22:57,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 19:22:57,759 INFO L85 PathProgramCache]: Analyzing trace with hash -464425765, now seen corresponding path program 1 times [2022-03-15 19:22:57,760 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 19:22:57,760 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679080855] [2022-03-15 19:22:57,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:22:57,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 19:22:57,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:22:57,811 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-15 19:22:57,811 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 19:22:57,811 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679080855] [2022-03-15 19:22:57,811 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679080855] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 19:22:57,811 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 19:22:57,811 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-15 19:22:57,811 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1910044359] [2022-03-15 19:22:57,811 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 19:22:57,816 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 19:22:57,952 INFO L252 McrAutomatonBuilder]: Finished intersection with 395 states and 1132 transitions. [2022-03-15 19:22:57,952 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 19:23:00,029 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 19:23:00,030 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 31 [2022-03-15 19:23:00,082 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 19:23:00,131 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 19:23:00,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 19:23:00,132 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 19:23:00,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 19:23:00,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-15 19:23:00,132 INFO L87 Difference]: Start difference. First operand 2049 states and 8244 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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 19:23:00,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 19:23:00,243 INFO L93 Difference]: Finished difference Result 3679 states and 13818 transitions. [2022-03-15 19:23:00,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-15 19:23:00,243 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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 32 [2022-03-15 19:23:00,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 19:23:00,259 INFO L225 Difference]: With dead ends: 3679 [2022-03-15 19:23:00,259 INFO L226 Difference]: Without dead ends: 3303 [2022-03-15 19:23:00,259 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 364 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-15 19:23:00,260 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 74 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 19:23:00,260 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [74 Valid, 23 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 19:23:00,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3303 states. [2022-03-15 19:23:00,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3303 to 2447. [2022-03-15 19:23:00,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2447 states, 2446 states have (on average 3.9950940310711367) internal successors, (9772), 2446 states have internal predecessors, (9772), 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 19:23:00,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2447 states to 2447 states and 9772 transitions. [2022-03-15 19:23:00,351 INFO L78 Accepts]: Start accepts. Automaton has 2447 states and 9772 transitions. Word has length 32 [2022-03-15 19:23:00,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 19:23:00,351 INFO L470 AbstractCegarLoop]: Abstraction has 2447 states and 9772 transitions. [2022-03-15 19:23:00,351 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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 19:23:00,351 INFO L276 IsEmpty]: Start isEmpty. Operand 2447 states and 9772 transitions. [2022-03-15 19:23:00,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-03-15 19:23:00,357 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 19:23:00,357 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 19:23:00,357 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-15 19:23:00,357 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 19:23:00,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 19:23:00,358 INFO L85 PathProgramCache]: Analyzing trace with hash -1138870122, now seen corresponding path program 1 times [2022-03-15 19:23:00,360 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 19:23:00,360 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170965856] [2022-03-15 19:23:00,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:23:00,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 19:23:00,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:23:00,450 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-15 19:23:00,451 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 19:23:00,451 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170965856] [2022-03-15 19:23:00,451 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170965856] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 19:23:00,451 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 19:23:00,451 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 19:23:00,451 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [689494764] [2022-03-15 19:23:00,451 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 19:23:00,459 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 19:23:00,599 INFO L252 McrAutomatonBuilder]: Finished intersection with 396 states and 1133 transitions. [2022-03-15 19:23:00,599 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 19:23:02,806 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 19:23:02,806 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 31 [2022-03-15 19:23:02,962 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 4 new interpolants: [30872#(= (mod |thread2Thread1of1ForFork1_~cond~1#1| 256) 0), 30871#(< (+ ~j~0 1) ~N~0), 30873#(not (< ~j~0 ~N~0)), 30870#(not (= (mod |thread2Thread1of1ForFork1_~cond~1#1| 256) 0))] [2022-03-15 19:23:02,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 19:23:02,962 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 19:23:02,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 19:23:02,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-03-15 19:23:02,963 INFO L87 Difference]: Start difference. First operand 2447 states and 9772 transitions. Second operand has 10 states, 10 states have (on average 6.9) internal successors, (69), 9 states have internal predecessors, (69), 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 19:23:03,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 19:23:03,292 INFO L93 Difference]: Finished difference Result 4187 states and 16186 transitions. [2022-03-15 19:23:03,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-15 19:23:03,293 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.9) internal successors, (69), 9 states have internal predecessors, (69), 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 33 [2022-03-15 19:23:03,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 19:23:03,323 INFO L225 Difference]: With dead ends: 4187 [2022-03-15 19:23:03,323 INFO L226 Difference]: Without dead ends: 4000 [2022-03-15 19:23:03,324 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 372 GetRequests, 355 SyntacticMatches, 5 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2022-03-15 19:23:03,324 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 185 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 587 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-15 19:23:03,325 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [185 Valid, 18 Invalid, 593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-15 19:23:03,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4000 states. [2022-03-15 19:23:03,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4000 to 2449. [2022-03-15 19:23:03,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2449 states, 2448 states have (on average 3.9930555555555554) internal successors, (9775), 2448 states have internal predecessors, (9775), 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 19:23:03,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2449 states to 2449 states and 9775 transitions. [2022-03-15 19:23:03,410 INFO L78 Accepts]: Start accepts. Automaton has 2449 states and 9775 transitions. Word has length 33 [2022-03-15 19:23:03,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 19:23:03,410 INFO L470 AbstractCegarLoop]: Abstraction has 2449 states and 9775 transitions. [2022-03-15 19:23:03,411 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.9) internal successors, (69), 9 states have internal predecessors, (69), 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 19:23:03,411 INFO L276 IsEmpty]: Start isEmpty. Operand 2449 states and 9775 transitions. [2022-03-15 19:23:03,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-03-15 19:23:03,416 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 19:23:03,416 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 19:23:03,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-15 19:23:03,417 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 19:23:03,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 19:23:03,418 INFO L85 PathProgramCache]: Analyzing trace with hash 529623998, now seen corresponding path program 1 times [2022-03-15 19:23:03,418 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 19:23:03,418 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511656087] [2022-03-15 19:23:03,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:23:03,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 19:23:03,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:23:03,542 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-15 19:23:03,542 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 19:23:03,543 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511656087] [2022-03-15 19:23:03,543 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511656087] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 19:23:03,543 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 19:23:03,543 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 19:23:03,543 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [202948274] [2022-03-15 19:23:03,543 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 19:23:03,547 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 19:23:03,667 INFO L252 McrAutomatonBuilder]: Finished intersection with 411 states and 1190 transitions. [2022-03-15 19:23:03,667 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 19:23:06,101 INFO L353 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-03-15 19:23:06,101 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 4 [2022-03-15 19:23:06,144 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 2 new interpolants: [39974#(< (+ ~i~0 1) ~N~0), 39973#(not (= 0 (mod |thread1Thread1of1ForFork3_~cond~0#1| 256)))] [2022-03-15 19:23:06,144 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-15 19:23:06,144 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 19:23:06,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-15 19:23:06,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-03-15 19:23:06,145 INFO L87 Difference]: Start difference. First operand 2449 states and 9775 transitions. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 7 states have internal predecessors, (64), 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 19:23:06,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 19:23:06,368 INFO L93 Difference]: Finished difference Result 3105 states and 12172 transitions. [2022-03-15 19:23:06,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-15 19:23:06,368 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 7 states have internal predecessors, (64), 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 33 [2022-03-15 19:23:06,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 19:23:06,377 INFO L225 Difference]: With dead ends: 3105 [2022-03-15 19:23:06,377 INFO L226 Difference]: Without dead ends: 2992 [2022-03-15 19:23:06,378 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 386 GetRequests, 376 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-03-15 19:23:06,378 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 96 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 19:23:06,378 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [96 Valid, 12 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 19:23:06,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2992 states. [2022-03-15 19:23:06,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2992 to 2450. [2022-03-15 19:23:06,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2450 states, 2449 states have (on average 3.991425071457738) internal successors, (9775), 2449 states have internal predecessors, (9775), 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 19:23:06,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2450 states to 2450 states and 9775 transitions. [2022-03-15 19:23:06,433 INFO L78 Accepts]: Start accepts. Automaton has 2450 states and 9775 transitions. Word has length 33 [2022-03-15 19:23:06,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 19:23:06,433 INFO L470 AbstractCegarLoop]: Abstraction has 2450 states and 9775 transitions. [2022-03-15 19:23:06,433 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 7 states have internal predecessors, (64), 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 19:23:06,433 INFO L276 IsEmpty]: Start isEmpty. Operand 2450 states and 9775 transitions. [2022-03-15 19:23:06,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-03-15 19:23:06,439 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 19:23:06,439 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 19:23:06,439 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-15 19:23:06,439 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 19:23:06,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 19:23:06,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1812911491, now seen corresponding path program 1 times [2022-03-15 19:23:06,440 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 19:23:06,440 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037938434] [2022-03-15 19:23:06,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:23:06,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 19:23:06,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:23:06,529 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-15 19:23:06,529 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 19:23:06,529 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037938434] [2022-03-15 19:23:06,529 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037938434] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 19:23:06,529 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 19:23:06,529 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 19:23:06,529 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2029204783] [2022-03-15 19:23:06,529 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 19:23:06,534 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 19:23:06,687 INFO L252 McrAutomatonBuilder]: Finished intersection with 397 states and 1134 transitions. [2022-03-15 19:23:06,687 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 19:23:09,019 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [47992#(not (= 0 (mod |thread1Thread1of1ForFork3_~cond~0#1| 256)))] [2022-03-15 19:23:09,020 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-15 19:23:09,020 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 19:23:09,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-15 19:23:09,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-03-15 19:23:09,021 INFO L87 Difference]: Start difference. First operand 2450 states and 9775 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 6 states have internal predecessors, (72), 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 19:23:09,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 19:23:09,180 INFO L93 Difference]: Finished difference Result 2680 states and 10598 transitions. [2022-03-15 19:23:09,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-15 19:23:09,180 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 6 states have internal predecessors, (72), 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 34 [2022-03-15 19:23:09,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 19:23:09,188 INFO L225 Difference]: With dead ends: 2680 [2022-03-15 19:23:09,188 INFO L226 Difference]: Without dead ends: 2363 [2022-03-15 19:23:09,188 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 359 SyntacticMatches, 4 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-03-15 19:23:09,189 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 51 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 19:23:09,189 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 1 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 19:23:09,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2363 states. [2022-03-15 19:23:09,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2363 to 1977. [2022-03-15 19:23:09,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1977 states, 1976 states have (on average 4.002024291497976) internal successors, (7908), 1976 states have internal predecessors, (7908), 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 19:23:09,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1977 states to 1977 states and 7908 transitions. [2022-03-15 19:23:09,238 INFO L78 Accepts]: Start accepts. Automaton has 1977 states and 7908 transitions. Word has length 34 [2022-03-15 19:23:09,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 19:23:09,238 INFO L470 AbstractCegarLoop]: Abstraction has 1977 states and 7908 transitions. [2022-03-15 19:23:09,238 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 6 states have internal predecessors, (72), 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 19:23:09,238 INFO L276 IsEmpty]: Start isEmpty. Operand 1977 states and 7908 transitions. [2022-03-15 19:23:09,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-03-15 19:23:09,243 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 19:23:09,243 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 19:23:09,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-15 19:23:09,244 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-15 19:23:09,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 19:23:09,244 INFO L85 PathProgramCache]: Analyzing trace with hash 417439951, now seen corresponding path program 1 times [2022-03-15 19:23:09,245 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 19:23:09,245 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014593456] [2022-03-15 19:23:09,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:23:09,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 19:23:09,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:23:09,354 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-15 19:23:09,355 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 19:23:09,355 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014593456] [2022-03-15 19:23:09,355 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014593456] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 19:23:09,355 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 19:23:09,355 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 19:23:09,355 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [513271064] [2022-03-15 19:23:09,355 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 19:23:09,362 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 19:23:09,525 INFO L252 McrAutomatonBuilder]: Finished intersection with 412 states and 1191 transitions. [2022-03-15 19:23:09,525 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 19:23:13,413 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [54633#(not (= (mod |thread4Thread1of1ForFork0_~cond~3#1| 256) 0))] [2022-03-15 19:23:13,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-15 19:23:13,413 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 19:23:13,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-15 19:23:13,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-03-15 19:23:13,414 INFO L87 Difference]: Start difference. First operand 1977 states and 7908 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 6 states have internal predecessors, (73), 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 19:23:13,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 19:23:13,594 INFO L93 Difference]: Finished difference Result 2349 states and 9339 transitions. [2022-03-15 19:23:13,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-15 19:23:13,594 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 6 states have internal predecessors, (73), 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 34 [2022-03-15 19:23:13,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 19:23:13,600 INFO L225 Difference]: With dead ends: 2349 [2022-03-15 19:23:13,600 INFO L226 Difference]: Without dead ends: 1880 [2022-03-15 19:23:13,600 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 383 GetRequests, 377 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-03-15 19:23:13,602 INFO L933 BasicCegarLoop]: 1 mSDtfsCounter, 90 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 19:23:13,602 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [90 Valid, 4 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 19:23:13,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1880 states. [2022-03-15 19:23:13,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1880 to 1530. [2022-03-15 19:23:13,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1530 states, 1529 states have (on average 4.0758665794637015) internal successors, (6232), 1529 states have internal predecessors, (6232), 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 19:23:13,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1530 states to 1530 states and 6232 transitions. [2022-03-15 19:23:13,652 INFO L78 Accepts]: Start accepts. Automaton has 1530 states and 6232 transitions. Word has length 34 [2022-03-15 19:23:13,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 19:23:13,652 INFO L470 AbstractCegarLoop]: Abstraction has 1530 states and 6232 transitions. [2022-03-15 19:23:13,652 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 6 states have internal predecessors, (73), 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 19:23:13,652 INFO L276 IsEmpty]: Start isEmpty. Operand 1530 states and 6232 transitions. [2022-03-15 19:23:13,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-03-15 19:23:13,656 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 19:23:13,656 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 19:23:13,656 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-15 19:23:13,656 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-15 19:23:13,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 19:23:13,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1577109748, now seen corresponding path program 1 times [2022-03-15 19:23:13,657 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 19:23:13,657 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145209923] [2022-03-15 19:23:13,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:23:13,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 19:23:13,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:23:13,734 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-15 19:23:13,734 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 19:23:13,734 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145209923] [2022-03-15 19:23:13,734 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145209923] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 19:23:13,734 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [19050269] [2022-03-15 19:23:13,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:23:13,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 19:23:13,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 19:23:13,736 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 19:23:13,737 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 19:23:13,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:23:13,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 9 conjunts are in the unsatisfiable core [2022-03-15 19:23:13,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 19:23:13,931 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-15 19:23:13,932 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 19:23:13,932 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [19050269] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 19:23:13,932 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 19:23:13,932 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2022-03-15 19:23:13,932 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [815249679] [2022-03-15 19:23:13,932 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 19:23:13,938 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 19:23:14,124 INFO L252 McrAutomatonBuilder]: Finished intersection with 353 states and 945 transitions. [2022-03-15 19:23:14,125 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 19:23:16,667 INFO L353 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-03-15 19:23:16,667 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 4 [2022-03-15 19:23:16,771 INFO L353 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-03-15 19:23:16,772 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 4 [2022-03-15 19:23:16,810 INFO L353 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-03-15 19:23:16,810 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 4 [2022-03-15 19:23:16,923 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 2 new interpolants: [60161#(or (<= ~q1_front~0 ~q1_back~0) (<= 2147483647 ~q1_back~0) (< ~q1_back~0 0)), 60160#(not (= (mod |thread3Thread1of1ForFork2_~cond~2#1| 256) 0))] [2022-03-15 19:23:16,923 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-15 19:23:16,923 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 19:23:16,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-15 19:23:16,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-03-15 19:23:16,923 INFO L87 Difference]: Start difference. First operand 1530 states and 6232 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 6 states have internal predecessors, (77), 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 19:23:17,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 19:23:17,087 INFO L93 Difference]: Finished difference Result 2916 states and 11984 transitions. [2022-03-15 19:23:17,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-15 19:23:17,088 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 6 states have internal predecessors, (77), 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 37 [2022-03-15 19:23:17,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 19:23:17,096 INFO L225 Difference]: With dead ends: 2916 [2022-03-15 19:23:17,096 INFO L226 Difference]: Without dead ends: 2916 [2022-03-15 19:23:17,096 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 326 SyntacticMatches, 23 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2022-03-15 19:23:17,096 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 137 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 19:23:17,097 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 30 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 19:23:17,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2916 states. [2022-03-15 19:23:17,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2916 to 1864. [2022-03-15 19:23:17,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1864 states, 1863 states have (on average 4.101449275362318) internal successors, (7641), 1863 states have internal predecessors, (7641), 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 19:23:17,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1864 states to 1864 states and 7641 transitions. [2022-03-15 19:23:17,141 INFO L78 Accepts]: Start accepts. Automaton has 1864 states and 7641 transitions. Word has length 37 [2022-03-15 19:23:17,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 19:23:17,141 INFO L470 AbstractCegarLoop]: Abstraction has 1864 states and 7641 transitions. [2022-03-15 19:23:17,141 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 6 states have internal predecessors, (77), 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 19:23:17,141 INFO L276 IsEmpty]: Start isEmpty. Operand 1864 states and 7641 transitions. [2022-03-15 19:23:17,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-03-15 19:23:17,147 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 19:23:17,147 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 19:23:17,167 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-03-15 19:23:17,364 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,SelfDestructingSolverStorable9 [2022-03-15 19:23:17,364 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-15 19:23:17,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 19:23:17,365 INFO L85 PathProgramCache]: Analyzing trace with hash -2054551414, now seen corresponding path program 1 times [2022-03-15 19:23:17,366 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 19:23:17,366 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241231450] [2022-03-15 19:23:17,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:23:17,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 19:23:17,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:23:17,434 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-03-15 19:23:17,435 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 19:23:17,435 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241231450] [2022-03-15 19:23:17,435 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241231450] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 19:23:17,435 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [595206204] [2022-03-15 19:23:17,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:23:17,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 19:23:17,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 19:23:17,436 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 19:23:17,437 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 19:23:17,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:23:17,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 9 conjunts are in the unsatisfiable core [2022-03-15 19:23:17,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 19:23:17,626 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-03-15 19:23:17,626 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 19:23:17,626 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [595206204] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 19:23:17,626 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 19:23:17,626 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-03-15 19:23:17,626 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [37026227] [2022-03-15 19:23:17,626 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 19:23:17,632 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 19:23:17,867 INFO L252 McrAutomatonBuilder]: Finished intersection with 359 states and 968 transitions. [2022-03-15 19:23:17,867 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 19:23:20,862 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 19:23:20,863 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 31 [2022-03-15 19:23:20,926 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 19:23:20,927 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 31 [2022-03-15 19:23:21,022 INFO L353 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-03-15 19:23:21,022 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 4 [2022-03-15 19:23:21,040 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 19:23:21,041 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 31 [2022-03-15 19:23:21,115 INFO L353 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-03-15 19:23:21,115 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 4 [2022-03-15 19:23:21,183 INFO L353 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-03-15 19:23:21,183 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 4 [2022-03-15 19:23:21,281 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 4 new interpolants: [66933#(or (<= ~q2_front~0 ~q2_back~0) (<= 2147483647 ~q2_back~0) (< ~q2_back~0 0)), 66934#(or (<= 2147483647 ~q1_back~0) (<= (+ 1 ~q2_front~0) ~q2_back~0) (< ~q1_back~0 0)), 66931#(not (= (mod |thread4Thread1of1ForFork0_~cond~3#1| 256) 0)), 66932#(= |thread4Thread1of1ForFork0_~cond~3#1| 1)] [2022-03-15 19:23:21,281 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 19:23:21,281 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 19:23:21,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 19:23:21,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2022-03-15 19:23:21,282 INFO L87 Difference]: Start difference. First operand 1864 states and 7641 transitions. Second operand has 10 states, 10 states have (on average 9.8) internal successors, (98), 9 states have internal predecessors, (98), 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 19:23:21,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 19:23:21,606 INFO L93 Difference]: Finished difference Result 4544 states and 18855 transitions. [2022-03-15 19:23:21,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-15 19:23:21,607 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.8) internal successors, (98), 9 states have internal predecessors, (98), 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 37 [2022-03-15 19:23:21,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 19:23:21,621 INFO L225 Difference]: With dead ends: 4544 [2022-03-15 19:23:21,621 INFO L226 Difference]: Without dead ends: 4544 [2022-03-15 19:23:21,621 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 309 SyntacticMatches, 42 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2022-03-15 19:23:21,622 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 187 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 19:23:21,622 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [187 Valid, 32 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 19:23:21,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4544 states. [2022-03-15 19:23:21,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4544 to 1714. [2022-03-15 19:23:21,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1714 states, 1713 states have (on average 4.064798598949212) internal successors, (6963), 1713 states have internal predecessors, (6963), 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 19:23:21,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1714 states to 1714 states and 6963 transitions. [2022-03-15 19:23:21,680 INFO L78 Accepts]: Start accepts. Automaton has 1714 states and 6963 transitions. Word has length 37 [2022-03-15 19:23:21,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 19:23:21,681 INFO L470 AbstractCegarLoop]: Abstraction has 1714 states and 6963 transitions. [2022-03-15 19:23:21,681 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.8) internal successors, (98), 9 states have internal predecessors, (98), 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 19:23:21,681 INFO L276 IsEmpty]: Start isEmpty. Operand 1714 states and 6963 transitions. [2022-03-15 19:23:21,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-03-15 19:23:21,684 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 19:23:21,684 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 19:23:21,702 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 19:23:21,902 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,SelfDestructingSolverStorable10 [2022-03-15 19:23:21,902 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-15 19:23:21,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 19:23:21,902 INFO L85 PathProgramCache]: Analyzing trace with hash -729959664, now seen corresponding path program 2 times [2022-03-15 19:23:21,903 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 19:23:21,903 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847837207] [2022-03-15 19:23:21,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:23:21,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 19:23:21,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:23:22,033 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-03-15 19:23:22,033 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 19:23:22,033 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847837207] [2022-03-15 19:23:22,033 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847837207] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 19:23:22,033 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 19:23:22,033 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 19:23:22,033 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1826316360] [2022-03-15 19:23:22,033 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 19:23:22,039 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 19:23:22,195 INFO L252 McrAutomatonBuilder]: Finished intersection with 422 states and 1213 transitions. [2022-03-15 19:23:22,195 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 19:23:22,281 INFO L353 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-03-15 19:23:22,281 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 4 [2022-03-15 19:23:22,403 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 19:23:22,590 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 19:23:24,048 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 19:23:24,138 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 19:23:25,103 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-03-15 19:23:26,787 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 4 new interpolants: [74927#(or (<= 2147483647 ~q1_back~0) (< ~q1_back~0 0)), 74929#(or (<= 2147483647 ~q1_back~0) (not (= (mod |thread3Thread1of1ForFork2_~cond~2#1| 256) 0)) (< ~q1_back~0 0)), 74928#(not (= (mod |thread3Thread1of1ForFork2_~cond~2#1| 256) 0)), 74930#(or (<= 2147483647 ~q1_back~0) (< ~i~0 ~N~0) (< ~q1_front~0 ~q1_back~0) (< ~q1_back~0 0))] [2022-03-15 19:23:26,788 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 19:23:26,788 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 19:23:26,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 19:23:26,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-03-15 19:23:26,788 INFO L87 Difference]: Start difference. First operand 1714 states and 6963 transitions. Second operand has 10 states, 10 states have (on average 9.3) internal successors, (93), 9 states have internal predecessors, (93), 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 19:23:26,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 19:23:26,966 INFO L93 Difference]: Finished difference Result 2652 states and 10871 transitions. [2022-03-15 19:23:26,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-15 19:23:26,966 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.3) internal successors, (93), 9 states have internal predecessors, (93), 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 37 [2022-03-15 19:23:26,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 19:23:26,972 INFO L225 Difference]: With dead ends: 2652 [2022-03-15 19:23:26,972 INFO L226 Difference]: Without dead ends: 2652 [2022-03-15 19:23:26,973 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 379 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-03-15 19:23:26,973 INFO L933 BasicCegarLoop]: 1 mSDtfsCounter, 105 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 19:23:26,973 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [105 Valid, 4 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 19:23:26,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2652 states. [2022-03-15 19:23:27,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2652 to 1606. [2022-03-15 19:23:27,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1606 states, 1605 states have (on average 4.046728971962617) internal successors, (6495), 1605 states have internal predecessors, (6495), 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 19:23:27,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 6495 transitions. [2022-03-15 19:23:27,010 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 6495 transitions. Word has length 37 [2022-03-15 19:23:27,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 19:23:27,010 INFO L470 AbstractCegarLoop]: Abstraction has 1606 states and 6495 transitions. [2022-03-15 19:23:27,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.3) internal successors, (93), 9 states have internal predecessors, (93), 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 19:23:27,011 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 6495 transitions. [2022-03-15 19:23:27,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-03-15 19:23:27,014 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 19:23:27,014 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 19:23:27,014 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-15 19:23:27,014 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-15 19:23:27,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 19:23:27,014 INFO L85 PathProgramCache]: Analyzing trace with hash -327631796, now seen corresponding path program 1 times [2022-03-15 19:23:27,015 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 19:23:27,015 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377844643] [2022-03-15 19:23:27,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:23:27,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 19:23:27,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:23:28,119 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-15 19:23:28,119 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 19:23:28,119 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377844643] [2022-03-15 19:23:28,119 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377844643] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 19:23:28,119 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [251379065] [2022-03-15 19:23:28,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:23:28,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 19:23:28,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 19:23:28,121 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 19:23:28,122 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 19:23:28,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:23:28,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 98 conjunts are in the unsatisfiable core [2022-03-15 19:23:28,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 19:23:28,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 19:23:28,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 19:23:28,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 19:23:28,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 19:23:28,341 INFO L353 Elim1Store]: treesize reduction 76, result has 30.3 percent of original size [2022-03-15 19:23:28,341 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 18 treesize of output 43 [2022-03-15 19:23:28,437 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 15 treesize of output 11 [2022-03-15 19:23:28,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 19:23:28,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 19:23:28,559 INFO L353 Elim1Store]: treesize reduction 62, result has 31.1 percent of original size [2022-03-15 19:23:28,560 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 27 treesize of output 45 [2022-03-15 19:23:28,688 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-03-15 19:23:28,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 19:23:28,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 19:23:28,803 INFO L353 Elim1Store]: treesize reduction 24, result has 41.5 percent of original size [2022-03-15 19:23:28,804 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 32 [2022-03-15 19:23:28,908 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-03-15 19:23:28,992 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 19:23:29,125 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 19:23:29,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 19:23:29,717 INFO L353 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2022-03-15 19:23:29,717 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 48 [2022-03-15 19:23:29,731 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 28 treesize of output 24 [2022-03-15 19:23:29,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 19:23:29,850 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 32 [2022-03-15 19:23:30,457 INFO L353 Elim1Store]: treesize reduction 13, result has 18.8 percent of original size [2022-03-15 19:23:30,457 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 16 [2022-03-15 19:23:30,479 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 19:23:30,480 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 19:23:32,063 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 19:23:32,064 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 212 treesize of output 152 [2022-03-15 19:23:32,069 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-15 19:23:32,405 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 19:23:32,413 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54801954 treesize of output 54532546 [2022-03-15 19:25:12,474 WARN L228 SmtUtils]: Spent 1.67m on a formula simplification that was a NOOP. DAG size: 8452 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-03-15 19:25:12,936 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 19:25:12,944 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54532450 treesize of output 54128822 [2022-03-15 19:26:53,100 WARN L228 SmtUtils]: Spent 1.67m on a formula simplification that was a NOOP. DAG size: 8467 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-03-15 19:26:53,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 19:26:53,609 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 19:26:53,617 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 54128738 treesize of output 51464426 [2022-03-15 19:28:33,602 WARN L228 SmtUtils]: Spent 1.67m on a formula simplification that was a NOOP. DAG size: 8497 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-03-15 19:28:33,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 19:28:34,127 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 19:28:34,135 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 51464290 treesize of output 50737770 [2022-03-15 19:30:14,345 WARN L228 SmtUtils]: Spent 1.67m on a formula simplification that was a NOOP. DAG size: 8523 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-03-15 19:30:14,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 19:30:14,862 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 19:30:14,870 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 50737634 treesize of output 49405546 [2022-03-15 19:31:56,430 WARN L228 SmtUtils]: Spent 1.69m on a formula simplification that was a NOOP. DAG size: 8547 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-03-15 19:31:56,852 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 19:31:56,859 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 49283062 treesize of output 38797316 [2022-03-15 19:33:37,995 WARN L228 SmtUtils]: Spent 1.69m on a formula simplification that was a NOOP. DAG size: 8549 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-03-15 19:33:38,395 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 19:33:38,403 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38797302 treesize of output 33554436 [2022-03-15 19:35:19,973 WARN L228 SmtUtils]: Spent 1.69m on a formula simplification that was a NOOP. DAG size: 8551 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-03-15 19:35:19,980 INFO L884 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. Received shutdown request... [2022-03-15 19:36:53,620 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-03-15 19:36:53,622 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-03-15 19:36:53,627 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 19:36:53,627 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 19:36:53,639 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-15 19:36:53,822 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 19:36:53,823 WARN L594 AbstractCegarLoop]: Verification canceled: while BasicCegarLoop was analyzing trace of length 40 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 63ms.. [2022-03-15 19:36:53,824 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-03-15 19:36:53,824 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-03-15 19:36:53,824 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-03-15 19:36:53,824 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-03-15 19:36:53,826 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 19:36:53,829 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-15 19:36:53,829 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-15 19:36:53,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 07:36:53 BasicIcfg [2022-03-15 19:36:53,830 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-15 19:36:53,831 INFO L158 Benchmark]: Toolchain (without parser) took 858191.96ms. Allocated memory was 178.3MB in the beginning and 2.0GB in the end (delta: 1.8GB). Free memory was 120.9MB in the beginning and 847.9MB in the end (delta: -727.1MB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. [2022-03-15 19:36:53,831 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 178.3MB. Free memory is still 137.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 19:36:53,831 INFO L158 Benchmark]: CACSL2BoogieTranslator took 235.25ms. Allocated memory was 178.3MB in the beginning and 269.5MB in the end (delta: 91.2MB). Free memory was 120.6MB in the beginning and 238.2MB in the end (delta: -117.5MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. [2022-03-15 19:36:53,831 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.70ms. Allocated memory is still 269.5MB. Free memory was 238.2MB in the beginning and 235.2MB in the end (delta: 3.0MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-15 19:36:53,831 INFO L158 Benchmark]: Boogie Preprocessor took 27.58ms. Allocated memory is still 269.5MB. Free memory was 235.2MB in the beginning and 233.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-15 19:36:53,831 INFO L158 Benchmark]: RCFGBuilder took 639.42ms. Allocated memory is still 269.5MB. Free memory was 233.1MB in the beginning and 189.6MB in the end (delta: 43.5MB). Peak memory consumption was 43.0MB. Max. memory is 8.0GB. [2022-03-15 19:36:53,832 INFO L158 Benchmark]: TraceAbstraction took 857246.95ms. Allocated memory was 269.5MB in the beginning and 2.0GB in the end (delta: 1.7GB). Free memory was 189.0MB in the beginning and 847.9MB in the end (delta: -658.9MB). Peak memory consumption was 1.7GB. Max. memory is 8.0GB. [2022-03-15 19:36:53,832 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 178.3MB. Free memory is still 137.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 235.25ms. Allocated memory was 178.3MB in the beginning and 269.5MB in the end (delta: 91.2MB). Free memory was 120.6MB in the beginning and 238.2MB in the end (delta: -117.5MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 38.70ms. Allocated memory is still 269.5MB. Free memory was 238.2MB in the beginning and 235.2MB in the end (delta: 3.0MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.58ms. Allocated memory is still 269.5MB. Free memory was 235.2MB in the beginning and 233.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 639.42ms. Allocated memory is still 269.5MB. Free memory was 233.1MB in the beginning and 189.6MB in the end (delta: 43.5MB). Peak memory consumption was 43.0MB. Max. memory is 8.0GB. * TraceAbstraction took 857246.95ms. Allocated memory was 269.5MB in the beginning and 2.0GB in the end (delta: 1.7GB). Free memory was 189.0MB in the beginning and 847.9MB in the end (delta: -658.9MB). Peak memory consumption was 1.7GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.9s, 258 PlacesBefore, 50 PlacesAfterwards, 267 TransitionsBefore, 44 TransitionsAfterwards, 2000 CoEnabledTransitionPairs, 8 FixpointIterations, 180 TrivialSequentialCompositions, 27 ConcurrentSequentialCompositions, 34 TrivialYvCompositions, 8 ConcurrentYvCompositions, 15 ChoiceCompositions, 264 TotalNumberOfCompositions, 4071 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2992, positive: 2878, positive conditional: 0, positive unconditional: 2878, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1044, positive: 1023, positive conditional: 0, positive unconditional: 1023, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2992, positive: 1855, positive conditional: 0, positive unconditional: 1855, negative: 93, negative conditional: 0, negative unconditional: 93, unknown: 1044, unknown conditional: 0, unknown unconditional: 1044] , Statistics on independence cache: Total cache size (in pairs): 160, Positive cache size: 150, Positive conditional cache size: 0, Positive unconditional cache size: 150, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10 - 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: 155]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was analyzing trace of length 40 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 63ms.. - TimeoutResultAtElement [Line: 146]: 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 40 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 63ms.. - TimeoutResultAtElement [Line: 145]: 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 40 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 63ms.. - TimeoutResultAtElement [Line: 148]: 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 40 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 63ms.. - TimeoutResultAtElement [Line: 147]: 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 40 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 63ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 280 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 857.1s, OverallIterations: 13, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 978 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 978 mSDsluCounter, 170 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1597 mSDsCounter, 116 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2694 IncrementalHoareTripleChecker+Invalid, 2810 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 116 mSolverCounterUnsat, 58 mSDtfsCounter, 2694 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4590 GetRequests, 4217 SyntacticMatches, 295 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 398 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2450occurred in iteration=7, InterpolantAutomatonStates: 79, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 12 MinimizatonAttempts, 9195 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 471 NumberOfCodeBlocks, 471 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 457 ConstructedInterpolants, 0 QuantifiedInterpolants, 1627 SizeOfPredicates, 7 NumberOfNonLiveVariables, 834 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 47/50 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