/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bc79526 [2022-01-18 13:11:25,644 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-18 13:11:25,645 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-18 13:11:25,693 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-18 13:11:25,693 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-18 13:11:25,694 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-18 13:11:25,694 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-18 13:11:25,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-18 13:11:25,697 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-18 13:11:25,697 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-18 13:11:25,698 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-18 13:11:25,699 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-18 13:11:25,699 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-18 13:11:25,700 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-18 13:11:25,700 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-18 13:11:25,701 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-18 13:11:25,702 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-18 13:11:25,702 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-18 13:11:25,704 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-18 13:11:25,705 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-18 13:11:25,706 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-18 13:11:25,707 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-18 13:11:25,708 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-18 13:11:25,709 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-18 13:11:25,710 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-18 13:11:25,710 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-18 13:11:25,711 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-18 13:11:25,711 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-18 13:11:25,711 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-18 13:11:25,712 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-18 13:11:25,712 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-18 13:11:25,712 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-18 13:11:25,713 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-18 13:11:25,713 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-18 13:11:25,714 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-18 13:11:25,714 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-18 13:11:25,714 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-18 13:11:25,714 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-18 13:11:25,715 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-18 13:11:25,715 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-18 13:11:25,715 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-18 13:11:25,716 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf [2022-01-18 13:11:25,733 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-18 13:11:25,733 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-18 13:11:25,733 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-18 13:11:25,734 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-18 13:11:25,734 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-18 13:11:25,734 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-18 13:11:25,734 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-18 13:11:25,735 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-18 13:11:25,735 INFO L138 SettingsManager]: * Use SBE=true [2022-01-18 13:11:25,735 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-18 13:11:25,735 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-18 13:11:25,735 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-18 13:11:25,735 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-18 13:11:25,735 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-18 13:11:25,735 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-18 13:11:25,735 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-18 13:11:25,735 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-18 13:11:25,735 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-18 13:11:25,735 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-18 13:11:25,736 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-18 13:11:25,736 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-18 13:11:25,736 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-18 13:11:25,736 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-18 13:11:25,736 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-18 13:11:25,736 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-18 13:11:25,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 13:11:25,736 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-18 13:11:25,736 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-18 13:11:25,736 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-18 13:11:25,736 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-18 13:11:25,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-18 13:11:25,737 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-18 13:11:25,737 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-18 13:11:25,737 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2022-01-18 13:11:25,737 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-18 13:11:25,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-18 13:11:25,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-18 13:11:25,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-18 13:11:25,897 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-18 13:11:25,897 INFO L275 PluginConnector]: CDTParser initialized [2022-01-18 13:11:25,898 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c [2022-01-18 13:11:25,942 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb0346823/2475d2cc0ae64daa9eef127fa019ca95/FLAGa616f4e17 [2022-01-18 13:11:26,283 INFO L306 CDTParser]: Found 1 translation units. [2022-01-18 13:11:26,284 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c [2022-01-18 13:11:26,288 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb0346823/2475d2cc0ae64daa9eef127fa019ca95/FLAGa616f4e17 [2022-01-18 13:11:26,296 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb0346823/2475d2cc0ae64daa9eef127fa019ca95 [2022-01-18 13:11:26,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-18 13:11:26,298 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-18 13:11:26,299 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-18 13:11:26,299 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-18 13:11:26,301 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-18 13:11:26,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 01:11:26" (1/1) ... [2022-01-18 13:11:26,302 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55a4a32a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:11:26, skipping insertion in model container [2022-01-18 13:11:26,302 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 01:11:26" (1/1) ... [2022-01-18 13:11:26,307 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-18 13:11:26,318 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-18 13:11:26,457 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-three-array-sum.wvr.c[2691,2704] [2022-01-18 13:11:26,461 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 13:11:26,466 INFO L203 MainTranslator]: Completed pre-run [2022-01-18 13:11:26,480 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-three-array-sum.wvr.c[2691,2704] [2022-01-18 13:11:26,482 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 13:11:26,490 INFO L208 MainTranslator]: Completed translation [2022-01-18 13:11:26,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:11:26 WrapperNode [2022-01-18 13:11:26,491 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-18 13:11:26,492 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-18 13:11:26,492 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-18 13:11:26,492 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-18 13:11:26,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:11:26" (1/1) ... [2022-01-18 13:11:26,502 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:11:26" (1/1) ... [2022-01-18 13:11:26,519 INFO L137 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 12, statements flattened = 150 [2022-01-18 13:11:26,519 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-18 13:11:26,520 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-18 13:11:26,520 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-18 13:11:26,520 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-18 13:11:26,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:11:26" (1/1) ... [2022-01-18 13:11:26,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:11:26" (1/1) ... [2022-01-18 13:11:26,528 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:11:26" (1/1) ... [2022-01-18 13:11:26,529 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:11:26" (1/1) ... [2022-01-18 13:11:26,534 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:11:26" (1/1) ... [2022-01-18 13:11:26,537 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:11:26" (1/1) ... [2022-01-18 13:11:26,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:11:26" (1/1) ... [2022-01-18 13:11:26,540 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-18 13:11:26,540 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-18 13:11:26,540 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-18 13:11:26,541 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-18 13:11:26,541 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:11:26" (1/1) ... [2022-01-18 13:11:26,568 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 13:11:26,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 13:11:26,589 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-18 13:11:26,592 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-18 13:11:26,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-18 13:11:26,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-18 13:11:26,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-18 13:11:26,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-18 13:11:26,617 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-18 13:11:26,617 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-18 13:11:26,617 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-18 13:11:26,618 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-18 13:11:26,618 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-01-18 13:11:26,618 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-01-18 13:11:26,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-18 13:11:26,618 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-01-18 13:11:26,618 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-01-18 13:11:26,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-18 13:11:26,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-18 13:11:26,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-18 13:11:26,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-18 13:11:26,620 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-18 13:11:26,722 INFO L234 CfgBuilder]: Building ICFG [2022-01-18 13:11:26,728 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-18 13:11:26,953 INFO L275 CfgBuilder]: Performing block encoding [2022-01-18 13:11:26,982 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-18 13:11:26,983 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-01-18 13:11:26,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 01:11:26 BoogieIcfgContainer [2022-01-18 13:11:26,984 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-18 13:11:26,985 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-18 13:11:26,985 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-18 13:11:26,987 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-18 13:11:26,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.01 01:11:26" (1/3) ... [2022-01-18 13:11:26,988 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@794d1300 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 01:11:26, skipping insertion in model container [2022-01-18 13:11:26,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:11:26" (2/3) ... [2022-01-18 13:11:26,988 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@794d1300 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 01:11:26, skipping insertion in model container [2022-01-18 13:11:26,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 01:11:26" (3/3) ... [2022-01-18 13:11:26,989 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-three-array-sum.wvr.c [2022-01-18 13:11:26,993 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-18 13:11:26,993 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-18 13:11:26,993 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-18 13:11:26,993 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-18 13:11:27,030 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,030 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,030 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,030 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,030 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,031 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,032 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,032 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,033 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,034 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,034 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,034 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,034 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,034 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,035 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,035 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,035 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,036 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,036 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,036 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,037 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,037 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,037 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,037 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,037 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,037 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,037 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,037 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,038 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,038 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,038 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,038 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,038 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,038 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,038 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,038 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,039 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,039 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,039 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,039 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,039 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,039 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,040 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,040 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,040 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,040 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,040 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,040 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,040 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,041 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,041 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,041 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,041 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,041 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,041 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,042 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,042 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,042 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,042 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,042 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,042 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,042 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,043 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,043 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,043 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,043 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,044 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,044 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,044 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,044 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,045 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,045 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,045 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,045 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,045 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,045 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,046 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,047 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,047 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,047 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,048 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,048 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,048 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,048 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,049 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,049 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,051 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,053 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,053 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,054 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,054 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,054 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,054 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,054 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,056 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,056 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,056 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,056 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,056 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,057 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,057 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,057 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,057 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,057 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,058 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,058 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,058 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,058 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,058 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,058 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,058 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,059 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:11:27,061 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-01-18 13:11:27,089 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 13:11:27,094 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-18 13:11:27,094 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-01-18 13:11:27,105 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 218 places, 228 transitions, 480 flow [2022-01-18 13:11:27,317 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 6856 states, 6855 states have (on average 3.8796498905908097) internal successors, (26595), 6855 states have internal predecessors, (26595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:11:27,347 INFO L276 IsEmpty]: Start isEmpty. Operand has 6856 states, 6855 states have (on average 3.8796498905908097) internal successors, (26595), 6855 states have internal predecessors, (26595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:11:27,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-01-18 13:11:27,396 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 13:11:27,397 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 13:11:27,397 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 13:11:27,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 13:11:27,404 INFO L85 PathProgramCache]: Analyzing trace with hash -1821253296, now seen corresponding path program 1 times [2022-01-18 13:11:27,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 13:11:27,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067485877] [2022-01-18 13:11:27,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 13:11:27,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 13:11:27,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 13:11:27,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 13:11:27,621 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 13:11:27,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067485877] [2022-01-18 13:11:27,621 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067485877] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 13:11:27,622 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 13:11:27,622 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-18 13:11:27,623 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340081014] [2022-01-18 13:11:27,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 13:11:27,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-18 13:11:27,627 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 13:11:27,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-18 13:11:27,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-18 13:11:27,669 INFO L87 Difference]: Start difference. First operand has 6856 states, 6855 states have (on average 3.8796498905908097) internal successors, (26595), 6855 states have internal predecessors, (26595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 76.5) internal successors, (153), 2 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:11:27,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 13:11:27,786 INFO L93 Difference]: Finished difference Result 6856 states and 24862 transitions. [2022-01-18 13:11:27,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-18 13:11:27,788 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 76.5) internal successors, (153), 2 states have internal predecessors, (153), 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 153 [2022-01-18 13:11:27,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 13:11:27,843 INFO L225 Difference]: With dead ends: 6856 [2022-01-18 13:11:27,843 INFO L226 Difference]: Without dead ends: 6849 [2022-01-18 13:11:27,845 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-18 13:11:27,848 INFO L933 BasicCegarLoop]: 193 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 13:11:27,850 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 193 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 13:11:27,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6849 states. [2022-01-18 13:11:28,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6849 to 6849. [2022-01-18 13:11:28,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6849 states, 6848 states have (on average 3.6295268691588785) internal successors, (24855), 6848 states have internal predecessors, (24855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:11:28,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6849 states to 6849 states and 24855 transitions. [2022-01-18 13:11:28,197 INFO L78 Accepts]: Start accepts. Automaton has 6849 states and 24855 transitions. Word has length 153 [2022-01-18 13:11:28,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 13:11:28,197 INFO L470 AbstractCegarLoop]: Abstraction has 6849 states and 24855 transitions. [2022-01-18 13:11:28,198 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 76.5) internal successors, (153), 2 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:11:28,198 INFO L276 IsEmpty]: Start isEmpty. Operand 6849 states and 24855 transitions. [2022-01-18 13:11:28,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-01-18 13:11:28,224 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 13:11:28,225 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 13:11:28,225 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-18 13:11:28,225 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 13:11:28,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 13:11:28,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1246203154, now seen corresponding path program 1 times [2022-01-18 13:11:28,230 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 13:11:28,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934325839] [2022-01-18 13:11:28,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 13:11:28,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 13:11:28,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 13:11:28,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 13:11:28,577 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 13:11:28,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934325839] [2022-01-18 13:11:28,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934325839] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 13:11:28,577 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 13:11:28,577 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-18 13:11:28,578 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517875451] [2022-01-18 13:11:28,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 13:11:28,579 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-18 13:11:28,579 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 13:11:28,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-18 13:11:28,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-01-18 13:11:28,579 INFO L87 Difference]: Start difference. First operand 6849 states and 24855 transitions. Second operand has 7 states, 7 states have (on average 21.857142857142858) internal successors, (153), 7 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:11:28,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 13:11:28,773 INFO L93 Difference]: Finished difference Result 11904 states and 43533 transitions. [2022-01-18 13:11:28,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-18 13:11:28,774 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 21.857142857142858) internal successors, (153), 7 states have internal predecessors, (153), 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 153 [2022-01-18 13:11:28,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 13:11:28,883 INFO L225 Difference]: With dead ends: 11904 [2022-01-18 13:11:28,883 INFO L226 Difference]: Without dead ends: 11484 [2022-01-18 13:11:28,886 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-01-18 13:11:28,887 INFO L933 BasicCegarLoop]: 183 mSDtfsCounter, 454 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 454 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 13:11:28,888 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [454 Valid, 621 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 13:11:28,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11484 states. [2022-01-18 13:11:29,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11484 to 8109. [2022-01-18 13:11:29,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8109 states, 8108 states have (on average 3.6364084854464727) internal successors, (29484), 8108 states have internal predecessors, (29484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:11:29,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8109 states to 8109 states and 29484 transitions. [2022-01-18 13:11:29,161 INFO L78 Accepts]: Start accepts. Automaton has 8109 states and 29484 transitions. Word has length 153 [2022-01-18 13:11:29,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 13:11:29,163 INFO L470 AbstractCegarLoop]: Abstraction has 8109 states and 29484 transitions. [2022-01-18 13:11:29,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.857142857142858) internal successors, (153), 7 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:11:29,163 INFO L276 IsEmpty]: Start isEmpty. Operand 8109 states and 29484 transitions. [2022-01-18 13:11:29,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-01-18 13:11:29,185 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 13:11:29,185 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 13:11:29,185 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-18 13:11:29,185 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 13:11:29,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 13:11:29,186 INFO L85 PathProgramCache]: Analyzing trace with hash 765698467, now seen corresponding path program 1 times [2022-01-18 13:11:29,186 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 13:11:29,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964805152] [2022-01-18 13:11:29,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 13:11:29,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 13:11:29,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 13:11:29,268 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 13:11:29,269 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 13:11:29,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964805152] [2022-01-18 13:11:29,269 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964805152] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 13:11:29,269 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 13:11:29,269 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-18 13:11:29,269 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136046209] [2022-01-18 13:11:29,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 13:11:29,270 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-18 13:11:29,270 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 13:11:29,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-18 13:11:29,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-01-18 13:11:29,270 INFO L87 Difference]: Start difference. First operand 8109 states and 29484 transitions. Second operand has 7 states, 7 states have (on average 22.857142857142858) internal successors, (160), 7 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:11:29,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 13:11:29,596 INFO L93 Difference]: Finished difference Result 16655 states and 57561 transitions. [2022-01-18 13:11:29,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-18 13:11:29,597 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 22.857142857142858) internal successors, (160), 7 states have internal predecessors, (160), 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 160 [2022-01-18 13:11:29,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 13:11:29,651 INFO L225 Difference]: With dead ends: 16655 [2022-01-18 13:11:29,651 INFO L226 Difference]: Without dead ends: 15743 [2022-01-18 13:11:29,651 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2022-01-18 13:11:29,652 INFO L933 BasicCegarLoop]: 179 mSDtfsCounter, 932 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 932 SdHoareTripleChecker+Valid, 686 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 13:11:29,652 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [932 Valid, 686 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-18 13:11:29,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15743 states. [2022-01-18 13:11:29,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15743 to 10225. [2022-01-18 13:11:30,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10225 states, 10224 states have (on average 3.5601525821596245) internal successors, (36399), 10224 states have internal predecessors, (36399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:11:30,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10225 states to 10225 states and 36399 transitions. [2022-01-18 13:11:30,064 INFO L78 Accepts]: Start accepts. Automaton has 10225 states and 36399 transitions. Word has length 160 [2022-01-18 13:11:30,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 13:11:30,064 INFO L470 AbstractCegarLoop]: Abstraction has 10225 states and 36399 transitions. [2022-01-18 13:11:30,065 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.857142857142858) internal successors, (160), 7 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:11:30,065 INFO L276 IsEmpty]: Start isEmpty. Operand 10225 states and 36399 transitions. [2022-01-18 13:11:30,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-18 13:11:30,097 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 13:11:30,097 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 13:11:30,097 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-18 13:11:30,097 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 13:11:30,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 13:11:30,098 INFO L85 PathProgramCache]: Analyzing trace with hash 241224180, now seen corresponding path program 1 times [2022-01-18 13:11:30,098 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 13:11:30,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806972665] [2022-01-18 13:11:30,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 13:11:30,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 13:11:30,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 13:11:30,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 13:11:30,167 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 13:11:30,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806972665] [2022-01-18 13:11:30,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806972665] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 13:11:30,167 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 13:11:30,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-18 13:11:30,168 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862468627] [2022-01-18 13:11:30,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 13:11:30,168 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-18 13:11:30,168 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 13:11:30,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-18 13:11:30,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-01-18 13:11:30,169 INFO L87 Difference]: Start difference. First operand 10225 states and 36399 transitions. Second operand has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 7 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:11:30,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 13:11:30,383 INFO L93 Difference]: Finished difference Result 9185 states and 32379 transitions. [2022-01-18 13:11:30,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-18 13:11:30,384 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 7 states have internal predecessors, (163), 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 163 [2022-01-18 13:11:30,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 13:11:30,413 INFO L225 Difference]: With dead ends: 9185 [2022-01-18 13:11:30,413 INFO L226 Difference]: Without dead ends: 8124 [2022-01-18 13:11:30,413 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2022-01-18 13:11:30,421 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 853 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 853 SdHoareTripleChecker+Valid, 653 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 13:11:30,422 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [853 Valid, 653 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 13:11:30,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8124 states. [2022-01-18 13:11:30,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8124 to 8112. [2022-01-18 13:11:30,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8112 states, 8111 states have (on average 3.6354333621008506) internal successors, (29487), 8111 states have internal predecessors, (29487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:11:30,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8112 states to 8112 states and 29487 transitions. [2022-01-18 13:11:30,699 INFO L78 Accepts]: Start accepts. Automaton has 8112 states and 29487 transitions. Word has length 163 [2022-01-18 13:11:30,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 13:11:30,699 INFO L470 AbstractCegarLoop]: Abstraction has 8112 states and 29487 transitions. [2022-01-18 13:11:30,700 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 7 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:11:30,700 INFO L276 IsEmpty]: Start isEmpty. Operand 8112 states and 29487 transitions. [2022-01-18 13:11:30,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-01-18 13:11:30,719 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 13:11:30,719 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 13:11:30,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-18 13:11:30,719 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 13:11:30,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 13:11:30,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1067095527, now seen corresponding path program 1 times [2022-01-18 13:11:30,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 13:11:30,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269684243] [2022-01-18 13:11:30,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 13:11:30,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 13:11:30,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 13:11:30,808 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-18 13:11:30,808 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 13:11:30,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269684243] [2022-01-18 13:11:30,808 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269684243] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 13:11:30,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [138893382] [2022-01-18 13:11:30,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 13:11:30,809 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 13:11:30,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 13:11:30,810 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 13:11:30,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-18 13:11:30,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 13:11:30,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-18 13:11:30,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 13:11:31,360 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-18 13:11:31,360 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 13:11:31,681 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-18 13:11:31,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [138893382] provided 1 perfect and 1 imperfect interpolant sequences [2022-01-18 13:11:31,681 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-01-18 13:11:31,681 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2022-01-18 13:11:31,682 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087731581] [2022-01-18 13:11:31,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 13:11:31,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-18 13:11:31,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 13:11:31,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-18 13:11:31,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2022-01-18 13:11:31,683 INFO L87 Difference]: Start difference. First operand 8112 states and 29487 transitions. Second operand has 7 states, 7 states have (on average 25.428571428571427) internal successors, (178), 7 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:11:31,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 13:11:31,780 INFO L93 Difference]: Finished difference Result 7740 states and 28245 transitions. [2022-01-18 13:11:31,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-18 13:11:31,781 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.428571428571427) internal successors, (178), 7 states have internal predecessors, (178), 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 178 [2022-01-18 13:11:31,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 13:11:31,807 INFO L225 Difference]: With dead ends: 7740 [2022-01-18 13:11:31,808 INFO L226 Difference]: Without dead ends: 7740 [2022-01-18 13:11:31,808 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 348 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2022-01-18 13:11:31,808 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 503 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 503 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 13:11:31,809 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [503 Valid, 451 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 13:11:31,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7740 states. [2022-01-18 13:11:31,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7740 to 7308. [2022-01-18 13:11:31,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7308 states, 7307 states have (on average 3.6339126864650337) internal successors, (26553), 7307 states have internal predecessors, (26553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:11:32,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7308 states to 7308 states and 26553 transitions. [2022-01-18 13:11:32,047 INFO L78 Accepts]: Start accepts. Automaton has 7308 states and 26553 transitions. Word has length 178 [2022-01-18 13:11:32,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 13:11:32,047 INFO L470 AbstractCegarLoop]: Abstraction has 7308 states and 26553 transitions. [2022-01-18 13:11:32,047 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.428571428571427) internal successors, (178), 7 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:11:32,048 INFO L276 IsEmpty]: Start isEmpty. Operand 7308 states and 26553 transitions. [2022-01-18 13:11:32,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-01-18 13:11:32,064 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 13:11:32,065 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 13:11:32,084 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-01-18 13:11:32,275 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 13:11:32,276 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 13:11:32,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 13:11:32,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1394582974, now seen corresponding path program 1 times [2022-01-18 13:11:32,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 13:11:32,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631200894] [2022-01-18 13:11:32,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 13:11:32,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 13:11:32,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 13:11:32,362 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-18 13:11:32,363 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 13:11:32,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631200894] [2022-01-18 13:11:32,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631200894] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 13:11:32,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [332563174] [2022-01-18 13:11:32,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 13:11:32,363 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 13:11:32,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 13:11:32,364 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 13:11:32,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-18 13:11:32,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 13:11:32,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-18 13:11:32,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 13:11:32,696 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-18 13:11:32,696 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 13:11:32,972 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-18 13:11:32,972 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [332563174] provided 1 perfect and 1 imperfect interpolant sequences [2022-01-18 13:11:32,973 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-01-18 13:11:32,973 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2022-01-18 13:11:32,973 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922206563] [2022-01-18 13:11:32,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 13:11:32,973 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-18 13:11:32,973 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 13:11:32,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-18 13:11:32,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2022-01-18 13:11:32,974 INFO L87 Difference]: Start difference. First operand 7308 states and 26553 transitions. Second operand has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 7 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:11:33,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 13:11:33,070 INFO L93 Difference]: Finished difference Result 8091 states and 29460 transitions. [2022-01-18 13:11:33,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-18 13:11:33,070 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 7 states have internal predecessors, (181), 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 181 [2022-01-18 13:11:33,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 13:11:33,094 INFO L225 Difference]: With dead ends: 8091 [2022-01-18 13:11:33,094 INFO L226 Difference]: Without dead ends: 8091 [2022-01-18 13:11:33,094 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 354 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2022-01-18 13:11:33,095 INFO L933 BasicCegarLoop]: 204 mSDtfsCounter, 444 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 444 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 13:11:33,095 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [444 Valid, 462 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 13:11:33,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8091 states. [2022-01-18 13:11:33,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8091 to 8091. [2022-01-18 13:11:33,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8091 states, 8090 states have (on average 3.641532756489493) internal successors, (29460), 8090 states have internal predecessors, (29460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:11:33,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8091 states to 8091 states and 29460 transitions. [2022-01-18 13:11:33,316 INFO L78 Accepts]: Start accepts. Automaton has 8091 states and 29460 transitions. Word has length 181 [2022-01-18 13:11:33,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 13:11:33,316 INFO L470 AbstractCegarLoop]: Abstraction has 8091 states and 29460 transitions. [2022-01-18 13:11:33,316 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 7 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:11:33,316 INFO L276 IsEmpty]: Start isEmpty. Operand 8091 states and 29460 transitions. [2022-01-18 13:11:33,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-01-18 13:11:33,334 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 13:11:33,334 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 13:11:33,352 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-01-18 13:11:33,544 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,SelfDestructingSolverStorable5 [2022-01-18 13:11:33,545 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 13:11:33,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 13:11:33,545 INFO L85 PathProgramCache]: Analyzing trace with hash -967964820, now seen corresponding path program 1 times [2022-01-18 13:11:33,545 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 13:11:33,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694142630] [2022-01-18 13:11:33,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 13:11:33,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 13:11:33,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 13:11:33,627 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-18 13:11:33,627 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 13:11:33,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694142630] [2022-01-18 13:11:33,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694142630] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 13:11:33,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [642393984] [2022-01-18 13:11:33,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 13:11:33,627 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 13:11:33,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 13:11:33,628 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 13:11:33,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-18 13:11:33,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 13:11:33,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-18 13:11:33,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 13:11:34,046 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-18 13:11:34,047 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 13:11:34,363 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-18 13:11:34,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [642393984] provided 1 perfect and 1 imperfect interpolant sequences [2022-01-18 13:11:34,363 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-01-18 13:11:34,364 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2022-01-18 13:11:34,364 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274990910] [2022-01-18 13:11:34,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 13:11:34,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-18 13:11:34,364 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 13:11:34,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-18 13:11:34,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2022-01-18 13:11:34,365 INFO L87 Difference]: Start difference. First operand 8091 states and 29460 transitions. Second operand has 7 states, 7 states have (on average 26.571428571428573) internal successors, (186), 7 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:11:34,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 13:11:34,467 INFO L93 Difference]: Finished difference Result 8724 states and 31806 transitions. [2022-01-18 13:11:34,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-18 13:11:34,468 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.571428571428573) internal successors, (186), 7 states have internal predecessors, (186), 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 186 [2022-01-18 13:11:34,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 13:11:34,490 INFO L225 Difference]: With dead ends: 8724 [2022-01-18 13:11:34,490 INFO L226 Difference]: Without dead ends: 8724 [2022-01-18 13:11:34,491 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 381 GetRequests, 364 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2022-01-18 13:11:34,491 INFO L933 BasicCegarLoop]: 197 mSDtfsCounter, 462 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 462 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 13:11:34,491 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [462 Valid, 464 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 13:11:34,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8724 states. [2022-01-18 13:11:34,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8724 to 8724. [2022-01-18 13:11:34,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8724 states, 8723 states have (on average 3.6462226298291873) internal successors, (31806), 8723 states have internal predecessors, (31806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:11:34,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8724 states to 8724 states and 31806 transitions. [2022-01-18 13:11:34,747 INFO L78 Accepts]: Start accepts. Automaton has 8724 states and 31806 transitions. Word has length 186 [2022-01-18 13:11:34,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 13:11:34,747 INFO L470 AbstractCegarLoop]: Abstraction has 8724 states and 31806 transitions. [2022-01-18 13:11:34,747 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.571428571428573) internal successors, (186), 7 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:11:34,747 INFO L276 IsEmpty]: Start isEmpty. Operand 8724 states and 31806 transitions. [2022-01-18 13:11:34,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-18 13:11:34,766 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 13:11:34,767 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 13:11:34,785 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-01-18 13:11:34,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 13:11:34,983 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 13:11:34,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 13:11:34,983 INFO L85 PathProgramCache]: Analyzing trace with hash -1221377419, now seen corresponding path program 1 times [2022-01-18 13:11:34,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 13:11:34,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188850927] [2022-01-18 13:11:34,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 13:11:34,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 13:11:35,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 13:11:35,124 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-18 13:11:35,124 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 13:11:35,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188850927] [2022-01-18 13:11:35,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188850927] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 13:11:35,124 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 13:11:35,124 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 13:11:35,124 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751328437] [2022-01-18 13:11:35,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 13:11:35,125 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 13:11:35,125 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 13:11:35,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 13:11:35,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-18 13:11:35,125 INFO L87 Difference]: Start difference. First operand 8724 states and 31806 transitions. Second operand has 5 states, 5 states have (on average 38.6) internal successors, (193), 5 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:11:35,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 13:11:35,212 INFO L93 Difference]: Finished difference Result 9957 states and 36180 transitions. [2022-01-18 13:11:35,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-18 13:11:35,215 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 38.6) internal successors, (193), 5 states have internal predecessors, (193), 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 193 [2022-01-18 13:11:35,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 13:11:35,241 INFO L225 Difference]: With dead ends: 9957 [2022-01-18 13:11:35,241 INFO L226 Difference]: Without dead ends: 9957 [2022-01-18 13:11:35,242 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-01-18 13:11:35,242 INFO L933 BasicCegarLoop]: 233 mSDtfsCounter, 92 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 673 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 13:11:35,242 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [92 Valid, 673 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 13:11:35,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9957 states. [2022-01-18 13:11:35,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9957 to 8565. [2022-01-18 13:11:35,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8565 states, 8564 states have (on average 3.622139187295656) internal successors, (31020), 8564 states have internal predecessors, (31020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:11:35,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8565 states to 8565 states and 31020 transitions. [2022-01-18 13:11:35,497 INFO L78 Accepts]: Start accepts. Automaton has 8565 states and 31020 transitions. Word has length 193 [2022-01-18 13:11:35,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 13:11:35,497 INFO L470 AbstractCegarLoop]: Abstraction has 8565 states and 31020 transitions. [2022-01-18 13:11:35,497 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 38.6) internal successors, (193), 5 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:11:35,497 INFO L276 IsEmpty]: Start isEmpty. Operand 8565 states and 31020 transitions. [2022-01-18 13:11:35,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-18 13:11:35,513 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 13:11:35,513 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 13:11:35,513 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-18 13:11:35,513 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 13:11:35,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 13:11:35,513 INFO L85 PathProgramCache]: Analyzing trace with hash -543718051, now seen corresponding path program 2 times [2022-01-18 13:11:35,514 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 13:11:35,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965624002] [2022-01-18 13:11:35,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 13:11:35,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 13:11:35,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 13:11:36,931 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-18 13:11:36,931 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 13:11:36,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965624002] [2022-01-18 13:11:36,932 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965624002] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 13:11:36,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [749795871] [2022-01-18 13:11:36,932 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-18 13:11:36,932 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 13:11:36,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 13:11:36,933 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 13:11:36,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-01-18 13:11:37,052 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-18 13:11:37,053 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 13:11:37,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 77 conjunts are in the unsatisfiable core [2022-01-18 13:11:37,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 13:11:37,147 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-01-18 13:11:37,371 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-18 13:11:37,371 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 11 treesize of output 11 [2022-01-18 13:11:39,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-18 13:11:39,402 INFO L353 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-01-18 13:11:39,402 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 26 [2022-01-18 13:11:39,657 INFO L353 Elim1Store]: treesize reduction 36, result has 54.4 percent of original size [2022-01-18 13:11:39,657 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 58 [2022-01-18 13:11:47,656 INFO L353 Elim1Store]: treesize reduction 12, result has 67.6 percent of original size [2022-01-18 13:11:47,657 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 77 treesize of output 77 [2022-01-18 13:11:47,736 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-18 13:11:47,737 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 13:11:49,867 WARN L838 $PredicateComparison]: unable to prove that (forall ((~C~0.base Int)) (= (mod (+ c_~csum~0 (select (let ((.cse0 (* c_thread2Thread1of1ForFork1_~i~1 4))) (store (select |c_#memory_int| ~C~0.base) (+ .cse0 c_~C~0.offset) (+ (select (select |c_#memory_int| c_~A~0.base) (+ c_~A~0.offset .cse0)) (select (select |c_#memory_int| c_~B~0.base) (+ .cse0 c_~B~0.offset))))) (+ (* c_thread3Thread1of1ForFork2_~i~2 4) c_~C~0.offset))) 4294967296) (mod (+ c_~asum~0 c_~bsum~0) 4294967296))) is different from false [2022-01-18 13:12:02,011 WARN L838 $PredicateComparison]: unable to prove that (forall ((~C~0.base Int) (v_ArrVal_300 (Array Int Int))) (= (mod (+ c_~asum~0 c_~bsum~0) 4294967296) (mod (+ (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_300)) (.cse1 (* c_thread2Thread1of1ForFork1_~i~1 4))) (store (select .cse0 ~C~0.base) (+ .cse1 c_~C~0.offset) (+ (select (select .cse0 c_~A~0.base) (+ c_~A~0.offset .cse1)) (select (select .cse0 c_~B~0.base) (+ .cse1 c_~B~0.offset))))) c_~C~0.offset) c_~csum~0) 4294967296))) is different from false [2022-01-18 13:12:02,062 WARN L838 $PredicateComparison]: unable to prove that (forall ((~C~0.base Int) (v_ArrVal_300 (Array Int Int))) (= (mod (+ |c_thread1Thread1of1ForFork0_#t~mem3| c_~asum~0 c_~bsum~0) 4294967296) (mod (+ (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_300)) (.cse1 (* c_thread2Thread1of1ForFork1_~i~1 4))) (store (select .cse0 ~C~0.base) (+ .cse1 c_~C~0.offset) (+ (select (select .cse0 c_~A~0.base) (+ c_~A~0.offset .cse1)) (select (select .cse0 c_~B~0.base) (+ .cse1 c_~B~0.offset))))) c_~C~0.offset) c_~csum~0) 4294967296))) is different from false [2022-01-18 13:12:02,071 WARN L838 $PredicateComparison]: unable to prove that (forall ((~C~0.base Int) (v_ArrVal_300 (Array Int Int))) (= (mod (+ c_~asum~0 c_~bsum~0 (select (select |c_#memory_int| c_~B~0.base) (+ (* c_thread1Thread1of1ForFork0_~i~0 4) c_~B~0.offset))) 4294967296) (mod (+ (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_300)) (.cse1 (* c_thread2Thread1of1ForFork1_~i~1 4))) (store (select .cse0 ~C~0.base) (+ .cse1 c_~C~0.offset) (+ (select (select .cse0 c_~A~0.base) (+ c_~A~0.offset .cse1)) (select (select .cse0 c_~B~0.base) (+ .cse1 c_~B~0.offset))))) c_~C~0.offset) c_~csum~0) 4294967296))) is different from false [2022-01-18 13:12:02,085 WARN L838 $PredicateComparison]: unable to prove that (forall ((~C~0.base Int) (v_ArrVal_300 (Array Int Int))) (= (mod (+ c_~asum~0 c_~bsum~0 |c_thread1Thread1of1ForFork0_#t~mem2| (select (select |c_#memory_int| c_~B~0.base) (+ (* c_thread1Thread1of1ForFork0_~i~0 4) c_~B~0.offset))) 4294967296) (mod (+ (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_300)) (.cse1 (* c_thread2Thread1of1ForFork1_~i~1 4))) (store (select .cse0 ~C~0.base) (+ .cse1 c_~C~0.offset) (+ (select (select .cse0 c_~A~0.base) (+ c_~A~0.offset .cse1)) (select (select .cse0 c_~B~0.base) (+ .cse1 c_~B~0.offset))))) c_~C~0.offset) c_~csum~0) 4294967296))) is different from false [2022-01-18 13:12:02,111 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 13:12:02,111 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 510 treesize of output 478 [2022-01-18 13:12:02,134 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 13:12:02,134 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 594 treesize of output 578 [2022-01-18 13:12:02,266 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 678 treesize of output 670 [2022-01-18 13:12:08,292 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 13:12:08,292 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 187 treesize of output 167 [2022-01-18 13:12:08,308 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 13:12:08,309 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 237 treesize of output 217 [2022-01-18 13:13:34,548 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 13:13:34,549 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 291 treesize of output 321 [2022-01-18 13:13:52,902 WARN L228 SmtUtils]: Spent 7.50s on a formula simplification. DAG size of input: 93 DAG size of output: 79 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-01-18 13:14:14,628 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 10 treesize of output 8 [2022-01-18 13:14:15,180 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 2 not checked. [2022-01-18 13:14:15,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [749795871] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-18 13:14:15,180 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-18 13:14:15,180 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 33, 27] total 86 [2022-01-18 13:14:15,180 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684869042] [2022-01-18 13:14:15,180 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-18 13:14:15,181 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2022-01-18 13:14:15,181 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 13:14:15,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2022-01-18 13:14:15,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=621, Invalid=5868, Unknown=11, NotChecked=810, Total=7310 [2022-01-18 13:14:15,183 INFO L87 Difference]: Start difference. First operand 8565 states and 31020 transitions. Second operand has 86 states, 86 states have (on average 6.232558139534884) internal successors, (536), 86 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:14:21,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 13:14:21,563 INFO L93 Difference]: Finished difference Result 18169 states and 67273 transitions. [2022-01-18 13:14:21,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-18 13:14:21,564 INFO L78 Accepts]: Start accepts. Automaton has has 86 states, 86 states have (on average 6.232558139534884) internal successors, (536), 86 states have internal predecessors, (536), 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 193 [2022-01-18 13:14:21,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 13:14:21,611 INFO L225 Difference]: With dead ends: 18169 [2022-01-18 13:14:21,611 INFO L226 Difference]: Without dead ends: 17794 [2022-01-18 13:14:21,615 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 473 GetRequests, 336 SyntacticMatches, 12 SemanticMatches, 125 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 5137 ImplicationChecksByTransitivity, 43.0s TimeCoverageRelationStatistics Valid=1843, Invalid=12928, Unknown=11, NotChecked=1220, Total=16002 [2022-01-18 13:14:21,615 INFO L933 BasicCegarLoop]: 315 mSDtfsCounter, 2189 mSDsluCounter, 8725 mSDsCounter, 0 mSdLazyCounter, 3240 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2189 SdHoareTripleChecker+Valid, 8627 SdHoareTripleChecker+Invalid, 6204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 3240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 2907 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-18 13:14:21,615 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2189 Valid, 8627 Invalid, 6204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 3240 Invalid, 0 Unknown, 2907 Unchecked, 1.5s Time] [2022-01-18 13:14:21,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17794 states. [2022-01-18 13:14:21,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17794 to 11310. [2022-01-18 13:14:21,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11310 states, 11309 states have (on average 3.6588557785834293) internal successors, (41378), 11309 states have internal predecessors, (41378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:14:21,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11310 states to 11310 states and 41378 transitions. [2022-01-18 13:14:21,876 INFO L78 Accepts]: Start accepts. Automaton has 11310 states and 41378 transitions. Word has length 193 [2022-01-18 13:14:21,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 13:14:21,878 INFO L470 AbstractCegarLoop]: Abstraction has 11310 states and 41378 transitions. [2022-01-18 13:14:21,878 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 86 states have (on average 6.232558139534884) internal successors, (536), 86 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:14:21,878 INFO L276 IsEmpty]: Start isEmpty. Operand 11310 states and 41378 transitions. [2022-01-18 13:14:21,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-18 13:14:21,897 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 13:14:21,897 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 13:14:21,914 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-01-18 13:14:22,098 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 13:14:22,098 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-18 13:14:22,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 13:14:22,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1241531059, now seen corresponding path program 3 times [2022-01-18 13:14:22,099 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 13:14:22,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702355827] [2022-01-18 13:14:22,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 13:14:22,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 13:14:22,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 13:14:23,625 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-18 13:14:23,625 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 13:14:23,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702355827] [2022-01-18 13:14:23,625 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702355827] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-18 13:14:23,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1491209272] [2022-01-18 13:14:23,626 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-18 13:14:23,626 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-18 13:14:23,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 13:14:23,627 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-18 13:14:23,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-01-18 13:14:23,746 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-01-18 13:14:23,747 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-18 13:14:23,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 63 conjunts are in the unsatisfiable core [2022-01-18 13:14:23,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-18 13:14:26,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-18 13:14:26,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-18 13:14:26,740 INFO L353 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-01-18 13:14:26,740 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 30 [2022-01-18 13:14:27,016 INFO L353 Elim1Store]: treesize reduction 36, result has 52.0 percent of original size [2022-01-18 13:14:27,016 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 58 [2022-01-18 13:14:31,711 INFO L353 Elim1Store]: treesize reduction 8, result has 75.8 percent of original size [2022-01-18 13:14:31,711 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 78 treesize of output 78 [2022-01-18 13:14:31,765 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-18 13:14:31,766 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-18 13:16:04,683 WARN L838 $PredicateComparison]: unable to prove that (forall ((~C~0.offset Int) (~C~0.base Int) (v_ArrVal_355 (Array Int Int))) (= (mod (+ (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_355)) (.cse1 (* c_thread2Thread1of1ForFork1_~i~1 4))) (store (select .cse0 ~C~0.base) (+ .cse1 ~C~0.offset) (+ (select (select .cse0 c_~A~0.base) (+ c_~A~0.offset .cse1)) (select (select .cse0 c_~B~0.base) (+ .cse1 c_~B~0.offset))))) ~C~0.offset) c_~csum~0) 4294967296) (mod (+ c_~asum~0 c_~bsum~0) 4294967296))) is different from false [2022-01-18 13:16:04,754 WARN L838 $PredicateComparison]: unable to prove that (forall ((~C~0.offset Int) (~C~0.base Int) (v_ArrVal_355 (Array Int Int))) (= (mod (+ (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_355)) (.cse1 (* c_thread2Thread1of1ForFork1_~i~1 4))) (store (select .cse0 ~C~0.base) (+ .cse1 ~C~0.offset) (+ (select (select .cse0 c_~A~0.base) (+ c_~A~0.offset .cse1)) (select (select .cse0 c_~B~0.base) (+ .cse1 c_~B~0.offset))))) ~C~0.offset) c_~csum~0) 4294967296) (mod (+ |c_thread1Thread1of1ForFork0_#t~mem3| c_~asum~0 c_~bsum~0) 4294967296))) is different from false [2022-01-18 13:16:04,767 WARN L838 $PredicateComparison]: unable to prove that (forall ((~C~0.offset Int) (~C~0.base Int) (v_ArrVal_355 (Array Int Int))) (= (mod (+ (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_355)) (.cse1 (* c_thread2Thread1of1ForFork1_~i~1 4))) (store (select .cse0 ~C~0.base) (+ .cse1 ~C~0.offset) (+ (select (select .cse0 c_~A~0.base) (+ c_~A~0.offset .cse1)) (select (select .cse0 c_~B~0.base) (+ .cse1 c_~B~0.offset))))) ~C~0.offset) c_~csum~0) 4294967296) (mod (+ c_~asum~0 c_~bsum~0 (select (select |c_#memory_int| c_~B~0.base) (+ (* c_thread1Thread1of1ForFork0_~i~0 4) c_~B~0.offset))) 4294967296))) is different from false [2022-01-18 13:16:04,786 WARN L838 $PredicateComparison]: unable to prove that (forall ((~C~0.offset Int) (~C~0.base Int) (v_ArrVal_355 (Array Int Int))) (= (mod (+ (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_355)) (.cse1 (* c_thread2Thread1of1ForFork1_~i~1 4))) (store (select .cse0 ~C~0.base) (+ .cse1 ~C~0.offset) (+ (select (select .cse0 c_~A~0.base) (+ c_~A~0.offset .cse1)) (select (select .cse0 c_~B~0.base) (+ .cse1 c_~B~0.offset))))) ~C~0.offset) c_~csum~0) 4294967296) (mod (+ c_~asum~0 c_~bsum~0 |c_thread1Thread1of1ForFork0_#t~mem2| (select (select |c_#memory_int| c_~B~0.base) (+ (* c_thread1Thread1of1ForFork0_~i~0 4) c_~B~0.offset))) 4294967296))) is different from false [2022-01-18 13:16:04,833 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 13:16:04,834 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 510 treesize of output 478 [2022-01-18 13:16:04,887 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-18 13:16:04,887 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 594 treesize of output 578 Received shutdown request... [2022-01-18 13:25:37,850 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-01-18 13:25:37,852 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-01-18 13:25:37,870 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-01-18 13:25:37,870 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-01-18 13:25:37,870 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 [2022-01-18 13:25:38,052 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-01-18 13:25:38,053 WARN L594 AbstractCegarLoop]: Verification canceled: while BasicCegarLoop was analyzing trace of length 194 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 37 for 42ms.. [2022-01-18 13:25:38,055 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-01-18 13:25:38,055 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-01-18 13:25:38,055 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-01-18 13:25:38,058 INFO L732 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 13:25:38,060 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-18 13:25:38,060 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-18 13:25:38,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.01 01:25:38 BasicIcfg [2022-01-18 13:25:38,062 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-18 13:25:38,063 INFO L158 Benchmark]: Toolchain (without parser) took 851764.67ms. Allocated memory was 404.8MB in the beginning and 3.6GB in the end (delta: 3.2GB). Free memory was 346.8MB in the beginning and 1.9GB in the end (delta: -1.5GB). Peak memory consumption was 2.5GB. Max. memory is 16.0GB. [2022-01-18 13:25:38,063 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 404.8MB. Free memory is still 363.9MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 13:25:38,063 INFO L158 Benchmark]: CACSL2BoogieTranslator took 191.91ms. Allocated memory was 404.8MB in the beginning and 486.5MB in the end (delta: 81.8MB). Free memory was 346.6MB in the beginning and 455.8MB in the end (delta: -109.1MB). Peak memory consumption was 6.7MB. Max. memory is 16.0GB. [2022-01-18 13:25:38,064 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.67ms. Allocated memory is still 486.5MB. Free memory was 455.8MB in the beginning and 453.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 13:25:38,064 INFO L158 Benchmark]: Boogie Preprocessor took 20.11ms. Allocated memory is still 486.5MB. Free memory was 453.7MB in the beginning and 451.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 13:25:38,066 INFO L158 Benchmark]: RCFGBuilder took 443.96ms. Allocated memory is still 486.5MB. Free memory was 451.6MB in the beginning and 430.6MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. [2022-01-18 13:25:38,067 INFO L158 Benchmark]: TraceAbstraction took 851077.25ms. Allocated memory was 486.5MB in the beginning and 3.6GB in the end (delta: 3.1GB). Free memory was 430.6MB in the beginning and 1.9GB in the end (delta: -1.4GB). Peak memory consumption was 2.5GB. Max. memory is 16.0GB. [2022-01-18 13:25:38,068 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 404.8MB. Free memory is still 363.9MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 191.91ms. Allocated memory was 404.8MB in the beginning and 486.5MB in the end (delta: 81.8MB). Free memory was 346.6MB in the beginning and 455.8MB in the end (delta: -109.1MB). Peak memory consumption was 6.7MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 27.67ms. Allocated memory is still 486.5MB. Free memory was 455.8MB in the beginning and 453.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 20.11ms. Allocated memory is still 486.5MB. Free memory was 453.7MB in the beginning and 451.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 443.96ms. Allocated memory is still 486.5MB. Free memory was 451.6MB in the beginning and 430.6MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. * TraceAbstraction took 851077.25ms. Allocated memory was 486.5MB in the beginning and 3.6GB in the end (delta: 3.1GB). Free memory was 430.6MB in the beginning and 1.9GB in the end (delta: -1.4GB). Peak memory consumption was 2.5GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 102]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was analyzing trace of length 194 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 37 for 42ms.. - TimeoutResultAtElement [Line: 94]: 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 194 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 37 for 42ms.. - TimeoutResultAtElement [Line: 95]: 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 194 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 37 for 42ms.. - TimeoutResultAtElement [Line: 96]: 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 194 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 37 for 42ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 246 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 851.0s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.3s, AutomataDifference: 8.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5929 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5929 mSDsluCounter, 12830 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 2907 IncrementalHoareTripleChecker+Unchecked, 11478 mSDsCounter, 107 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3980 IncrementalHoareTripleChecker+Invalid, 6994 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 107 mSolverCounterUnsat, 1879 mSDtfsCounter, 3980 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1638 GetRequests, 1415 SyntacticMatches, 18 SemanticMatches, 205 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 5358 ImplicationChecksByTransitivity, 43.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11310occurred in iteration=9, InterpolantAutomatonStates: 107, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 17213 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 162.1s InterpolantComputationTime, 2298 NumberOfCodeBlocks, 2298 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 3019 ConstructedInterpolants, 150 QuantifiedInterpolants, 24408 SizeOfPredicates, 60 NumberOfNonLiveVariables, 1698 ConjunctsInSsa, 95 ConjunctsInUnsatCore, 17 InterpolantComputations, 8 PerfectInterpolantSequences, 49/65 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