/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-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-min-array.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-ba0fd47f62a02cd5486659f03d300faf678a2e90-ba0fd47 [2021-11-14 05:02:43,986 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-14 05:02:43,988 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-14 05:02:44,054 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-14 05:02:44,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-14 05:02:44,055 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-14 05:02:44,056 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-14 05:02:44,058 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-14 05:02:44,064 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-14 05:02:44,068 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-14 05:02:44,069 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-14 05:02:44,070 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-14 05:02:44,071 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-14 05:02:44,072 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-14 05:02:44,074 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-14 05:02:44,077 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-14 05:02:44,078 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-14 05:02:44,079 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-14 05:02:44,083 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-14 05:02:44,084 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-14 05:02:44,085 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-14 05:02:44,087 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-14 05:02:44,088 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-14 05:02:44,089 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-14 05:02:44,091 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-11-14 05:02:44,093 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-14 05:02:44,093 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-14 05:02:44,094 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-14 05:02:44,094 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-14 05:02:44,095 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-14 05:02:44,095 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-14 05:02:44,096 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-14 05:02:44,096 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-14 05:02:44,096 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-14 05:02:44,097 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-14 05:02:44,097 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-14 05:02:44,102 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-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf [2021-11-14 05:02:44,132 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-14 05:02:44,132 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-14 05:02:44,133 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-14 05:02:44,133 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-14 05:02:44,133 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-14 05:02:44,133 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-14 05:02:44,134 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-14 05:02:44,134 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-14 05:02:44,134 INFO L138 SettingsManager]: * Use SBE=true [2021-11-14 05:02:44,134 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-14 05:02:44,134 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-14 05:02:44,134 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-14 05:02:44,134 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-14 05:02:44,135 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-14 05:02:44,135 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-14 05:02:44,135 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-14 05:02:44,137 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-14 05:02:44,137 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-14 05:02:44,137 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-14 05:02:44,137 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-14 05:02:44,137 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-14 05:02:44,137 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-14 05:02:44,138 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-14 05:02:44,138 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-14 05:02:44,138 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-14 05:02:44,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-14 05:02:44,138 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-14 05:02:44,138 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-14 05:02:44,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-14 05:02:44,139 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-14 05:02:44,139 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-11-14 05:02:44,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-14 05:02:44,139 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-14 05:02:44,140 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-14 05:02:44,140 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-14 05:02:44,140 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-14 05:02:44,140 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-14 05:02:44,141 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-11-14 05:02:44,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-14 05:02:44,385 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-14 05:02:44,387 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-14 05:02:44,388 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-14 05:02:44,389 INFO L275 PluginConnector]: CDTParser initialized [2021-11-14 05:02:44,390 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-min-array.wvr.c [2021-11-14 05:02:44,441 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76c22af54/479c2e8f42b04057ac5097bc430e63c4/FLAGcfab44e67 [2021-11-14 05:02:44,827 INFO L306 CDTParser]: Found 1 translation units. [2021-11-14 05:02:44,827 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-min-array.wvr.c [2021-11-14 05:02:44,832 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76c22af54/479c2e8f42b04057ac5097bc430e63c4/FLAGcfab44e67 [2021-11-14 05:02:45,230 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76c22af54/479c2e8f42b04057ac5097bc430e63c4 [2021-11-14 05:02:45,232 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-14 05:02:45,233 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-14 05:02:45,239 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-14 05:02:45,239 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-14 05:02:45,244 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-14 05:02:45,245 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:02:45" (1/1) ... [2021-11-14 05:02:45,247 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40c71dad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:45, skipping insertion in model container [2021-11-14 05:02:45,247 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:02:45" (1/1) ... [2021-11-14 05:02:45,253 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-14 05:02:45,272 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-14 05:02:45,420 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-min-array.wvr.c[2553,2566] [2021-11-14 05:02:45,426 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-14 05:02:45,431 INFO L203 MainTranslator]: Completed pre-run [2021-11-14 05:02:45,449 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-min-array.wvr.c[2553,2566] [2021-11-14 05:02:45,452 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-14 05:02:45,463 INFO L208 MainTranslator]: Completed translation [2021-11-14 05:02:45,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:45 WrapperNode [2021-11-14 05:02:45,463 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-14 05:02:45,464 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-14 05:02:45,464 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-14 05:02:45,464 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-14 05:02:45,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:45" (1/1) ... [2021-11-14 05:02:45,476 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:45" (1/1) ... [2021-11-14 05:02:45,493 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-14 05:02:45,493 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-14 05:02:45,494 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-14 05:02:45,494 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-14 05:02:45,500 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:45" (1/1) ... [2021-11-14 05:02:45,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:45" (1/1) ... [2021-11-14 05:02:45,502 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:45" (1/1) ... [2021-11-14 05:02:45,503 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:45" (1/1) ... [2021-11-14 05:02:45,508 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:45" (1/1) ... [2021-11-14 05:02:45,511 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:45" (1/1) ... [2021-11-14 05:02:45,512 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:45" (1/1) ... [2021-11-14 05:02:45,514 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-14 05:02:45,515 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-14 05:02:45,515 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-14 05:02:45,515 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-14 05:02:45,516 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:45" (1/1) ... [2021-11-14 05:02:45,521 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-14 05:02:45,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 05:02:45,548 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) [2021-11-14 05:02:45,570 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 [2021-11-14 05:02:45,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-14 05:02:45,588 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-14 05:02:45,589 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-14 05:02:45,589 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-14 05:02:45,589 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-14 05:02:45,589 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-14 05:02:45,589 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-14 05:02:45,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-14 05:02:45,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-14 05:02:45,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-14 05:02:45,589 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-14 05:02:45,590 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-14 05:02:45,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-14 05:02:45,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-14 05:02:45,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-14 05:02:45,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-14 05:02:45,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-14 05:02:45,591 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-14 05:02:46,003 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-14 05:02:46,004 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-14 05:02:46,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:02:46 BoogieIcfgContainer [2021-11-14 05:02:46,006 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-14 05:02:46,007 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-14 05:02:46,007 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-14 05:02:46,014 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-14 05:02:46,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:02:45" (1/3) ... [2021-11-14 05:02:46,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7741d8de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:02:46, skipping insertion in model container [2021-11-14 05:02:46,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:45" (2/3) ... [2021-11-14 05:02:46,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7741d8de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:02:46, skipping insertion in model container [2021-11-14 05:02:46,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:02:46" (3/3) ... [2021-11-14 05:02:46,017 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-more-min-array.wvr.c [2021-11-14 05:02:46,021 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-14 05:02:46,021 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-14 05:02:46,021 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-14 05:02:46,021 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-14 05:02:46,063 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,064 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,064 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,064 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,064 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,065 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,065 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,065 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,065 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,065 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,065 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,065 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,066 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,066 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,067 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,067 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,067 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,067 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,068 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,068 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,068 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,068 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,068 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,069 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,070 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,070 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,070 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,070 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,071 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,071 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,071 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,072 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,072 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,072 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,072 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,072 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,072 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,072 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,073 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,074 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,074 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,074 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,074 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,074 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,074 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,074 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,075 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,075 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,075 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,075 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,075 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,076 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,076 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,076 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,076 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,076 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,077 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,077 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,077 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,078 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,078 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,078 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,079 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,079 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,079 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,079 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,079 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,079 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,080 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,080 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,080 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,080 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,080 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,080 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,080 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,081 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,081 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,081 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,081 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,081 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,081 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,081 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,081 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,083 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,087 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,088 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,088 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,090 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,094 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,094 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,096 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,096 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,096 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,097 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,097 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,097 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,098 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,098 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,098 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,098 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,098 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,098 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 05:02:46,106 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-11-14 05:02:46,156 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-14 05:02:46,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 05:02:46,163 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-14 05:02:46,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-14 05:02:46,200 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-14 05:02:46,206 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=PARTIAL_ORDER_FA, 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 [2021-11-14 05:02:46,206 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-14 05:02:46,344 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 05:02:46,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 05:02:46,348 INFO L85 PathProgramCache]: Analyzing trace with hash 128930732, now seen corresponding path program 1 times [2021-11-14 05:02:46,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 05:02:46,355 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508543667] [2021-11-14 05:02:46,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 05:02:46,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 05:02:46,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 05:02:46,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 05:02:46,510 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 05:02:46,510 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508543667] [2021-11-14 05:02:46,511 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508543667] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 05:02:46,511 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 05:02:46,511 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-14 05:02:46,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497278472] [2021-11-14 05:02:46,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 05:02:46,520 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-14 05:02:46,520 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 05:02:46,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-14 05:02:46,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-14 05:02:46,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 05:02:46,544 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 05:02:46,546 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 54.5) internal successors, (109), 2 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 05:02:46,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 05:02:46,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 05:02:46,596 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-14 05:02:46,596 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 05:02:46,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 05:02:46,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1959098234, now seen corresponding path program 1 times [2021-11-14 05:02:46,599 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 05:02:46,599 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522652231] [2021-11-14 05:02:46,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 05:02:46,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 05:02:46,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 05:02:46,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 05:02:46,934 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 05:02:46,934 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522652231] [2021-11-14 05:02:46,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522652231] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 05:02:46,934 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 05:02:46,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-14 05:02:46,934 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439581974] [2021-11-14 05:02:46,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 05:02:46,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-14 05:02:46,937 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 05:02:46,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-14 05:02:46,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-14 05:02:46,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 05:02:46,937 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 05:02:46,938 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.5) internal successors, (105), 6 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 05:02:46,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 05:02:46,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 05:02:47,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 05:02:47,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 05:02:47,078 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-14 05:02:47,078 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 05:02:47,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 05:02:47,079 INFO L85 PathProgramCache]: Analyzing trace with hash 137387037, now seen corresponding path program 1 times [2021-11-14 05:02:47,079 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 05:02:47,079 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152749693] [2021-11-14 05:02:47,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 05:02:47,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 05:02:47,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 05:02:47,340 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 05:02:47,340 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 05:02:47,341 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152749693] [2021-11-14 05:02:47,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152749693] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 05:02:47,341 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 05:02:47,341 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-14 05:02:47,341 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617636483] [2021-11-14 05:02:47,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 05:02:47,342 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-14 05:02:47,342 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 05:02:47,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-14 05:02:47,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-14 05:02:47,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 05:02:47,343 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 05:02:47,343 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 9 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 05:02:47,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 05:02:47,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 05:02:47,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 05:02:47,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 05:02:47,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 05:02:47,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 05:02:47,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-14 05:02:47,500 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 05:02:47,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 05:02:47,500 INFO L85 PathProgramCache]: Analyzing trace with hash 136051847, now seen corresponding path program 1 times [2021-11-14 05:02:47,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 05:02:47,501 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441825079] [2021-11-14 05:02:47,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 05:02:47,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 05:02:47,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 05:02:47,619 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-14 05:02:47,619 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 05:02:47,621 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441825079] [2021-11-14 05:02:47,621 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441825079] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 05:02:47,622 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [664929728] [2021-11-14 05:02:47,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 05:02:47,622 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 05:02:47,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 05:02:47,627 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) [2021-11-14 05:02:47,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-14 05:02:47,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 05:02:47,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-14 05:02:47,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 05:02:48,091 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-14 05:02:48,091 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 05:02:48,403 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-14 05:02:48,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [664929728] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-14 05:02:48,404 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-14 05:02:48,404 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2021-11-14 05:02:48,404 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242400042] [2021-11-14 05:02:48,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 05:02:48,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-14 05:02:48,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 05:02:48,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-14 05:02:48,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2021-11-14 05:02:48,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 05:02:48,406 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 05:02:48,406 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 7 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 05:02:48,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 05:02:48,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 05:02:48,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 05:02:48,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 05:02:48,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 05:02:48,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 05:02:48,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 05:02:48,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 05:02:48,542 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-14 05:02:48,739 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,SelfDestructingSolverStorable3 [2021-11-14 05:02:48,740 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 05:02:48,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 05:02:48,740 INFO L85 PathProgramCache]: Analyzing trace with hash 595371588, now seen corresponding path program 1 times [2021-11-14 05:02:48,740 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 05:02:48,740 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533040627] [2021-11-14 05:02:48,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 05:02:48,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 05:02:48,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 05:02:49,937 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 05:02:49,938 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 05:02:49,938 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533040627] [2021-11-14 05:02:49,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533040627] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 05:02:49,938 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1069862751] [2021-11-14 05:02:49,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 05:02:49,939 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 05:02:49,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 05:02:49,943 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) [2021-11-14 05:02:49,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-14 05:02:50,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 05:02:50,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-14 05:02:50,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 05:02:50,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-14 05:02:50,139 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-14 05:02:50,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2021-11-14 05:02:50,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-14 05:02:50,636 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-14 05:02:50,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 14 [2021-11-14 05:02:52,066 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-14 05:02:52,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 34 [2021-11-14 05:02:52,520 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-14 05:02:52,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 35 [2021-11-14 05:02:52,760 INFO L354 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2021-11-14 05:02:52,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 40 [2021-11-14 05:02:52,964 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 05:02:52,964 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 05:03:06,262 WARN L227 SmtUtils]: Spent 5.55s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-14 05:03:06,370 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-14 05:03:06,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 343 treesize of output 311 [2021-11-14 05:03:11,070 INFO L388 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 26 treesize of output 24 [2021-11-14 05:03:11,105 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 05:03:11,105 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1069862751] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 05:03:11,105 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 05:03:11,105 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 28, 27] total 73 [2021-11-14 05:03:11,106 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607409194] [2021-11-14 05:03:11,106 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 05:03:11,106 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2021-11-14 05:03:11,107 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 05:03:11,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2021-11-14 05:03:11,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=498, Invalid=4753, Unknown=5, NotChecked=0, Total=5256 [2021-11-14 05:03:11,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 05:03:11,115 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 05:03:11,116 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 4.397260273972603) internal successors, (321), 73 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 05:03:11,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 05:03:11,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 05:03:11,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 05:03:11,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 05:03:11,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 05:03:15,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 05:03:15,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 05:03:15,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 05:03:15,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 05:03:15,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-14 05:03:15,147 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-14 05:03:15,326 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 05:03:15,327 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 05:03:15,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 05:03:15,327 INFO L85 PathProgramCache]: Analyzing trace with hash -1942152285, now seen corresponding path program 2 times [2021-11-14 05:03:15,327 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 05:03:15,328 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647355225] [2021-11-14 05:03:15,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 05:03:15,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 05:03:15,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 05:03:15,641 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-14 05:03:15,641 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 05:03:15,641 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647355225] [2021-11-14 05:03:15,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647355225] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 05:03:15,642 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [928911502] [2021-11-14 05:03:15,642 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-14 05:03:15,642 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 05:03:15,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 05:03:15,647 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) [2021-11-14 05:03:15,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-14 05:03:15,725 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-14 05:03:15,725 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 05:03:15,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-14 05:03:15,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 05:03:16,416 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-14 05:03:16,416 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 05:03:16,807 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-14 05:03:16,808 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [928911502] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 05:03:16,808 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 05:03:16,808 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 12] total 31 [2021-11-14 05:03:16,808 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879165308] [2021-11-14 05:03:16,808 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 05:03:16,809 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-11-14 05:03:16,809 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 05:03:16,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-11-14 05:03:16,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=804, Unknown=0, NotChecked=0, Total=930 [2021-11-14 05:03:16,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 05:03:16,810 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 05:03:16,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 7.903225806451613) internal successors, (245), 31 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 05:03:16,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 05:03:16,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 05:03:16,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 05:03:16,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 05:03:16,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-14 05:03:16,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 05:03:18,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 05:03:18,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 05:03:18,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 05:03:18,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 05:03:18,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-14 05:03:18,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-14 05:03:18,317 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-14 05:03:18,501 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 05:03:18,502 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 05:03:18,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 05:03:18,502 INFO L85 PathProgramCache]: Analyzing trace with hash -1026379131, now seen corresponding path program 1 times [2021-11-14 05:03:18,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 05:03:18,502 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552320357] [2021-11-14 05:03:18,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 05:03:18,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 05:03:18,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 05:03:18,621 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-14 05:03:18,621 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 05:03:18,622 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552320357] [2021-11-14 05:03:18,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552320357] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 05:03:18,622 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [818868041] [2021-11-14 05:03:18,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 05:03:18,622 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 05:03:18,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 05:03:18,623 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) [2021-11-14 05:03:18,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-14 05:03:18,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 05:03:18,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-14 05:03:18,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 05:03:19,047 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-14 05:03:19,048 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 05:03:19,383 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-14 05:03:19,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [818868041] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 05:03:19,383 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 05:03:19,384 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 24 [2021-11-14 05:03:19,384 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764783692] [2021-11-14 05:03:19,384 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 05:03:19,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-14 05:03:19,384 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 05:03:19,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-14 05:03:19,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=444, Unknown=0, NotChecked=0, Total=552 [2021-11-14 05:03:19,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 05:03:19,385 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 05:03:19,385 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 8.041666666666666) internal successors, (193), 24 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) [2021-11-14 05:03:19,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 05:03:19,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 05:03:19,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 05:03:19,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 05:03:19,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-14 05:03:19,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-11-14 05:03:19,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 05:03:19,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 05:03:19,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 05:03:19,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 05:03:19,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 05:03:19,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-14 05:03:19,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-14 05:03:19,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-14 05:03:19,979 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-14 05:03:20,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 05:03:20,153 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 05:03:20,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 05:03:20,154 INFO L85 PathProgramCache]: Analyzing trace with hash 263706653, now seen corresponding path program 3 times [2021-11-14 05:03:20,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 05:03:20,154 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880473550] [2021-11-14 05:03:20,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 05:03:20,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 05:03:20,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 05:03:20,260 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-14 05:03:20,260 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 05:03:20,260 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880473550] [2021-11-14 05:03:20,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880473550] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 05:03:20,261 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [437512952] [2021-11-14 05:03:20,261 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-14 05:03:20,261 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 05:03:20,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 05:03:20,262 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 05:03:20,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-14 05:03:20,353 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-14 05:03:20,353 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 05:03:20,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-14 05:03:20,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 05:03:20,711 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-14 05:03:20,711 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 05:03:21,082 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-14 05:03:21,083 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [437512952] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 05:03:21,083 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 05:03:21,083 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2021-11-14 05:03:21,083 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870147858] [2021-11-14 05:03:21,083 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 05:03:21,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-14 05:03:21,084 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 05:03:21,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-14 05:03:21,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2021-11-14 05:03:21,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 05:03:21,085 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 05:03:21,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 7.75) internal successors, (186), 24 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) [2021-11-14 05:03:21,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 05:03:21,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 05:03:21,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 05:03:21,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 05:03:21,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-14 05:03:21,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-11-14 05:03:21,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-11-14 05:03:21,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 05:03:23,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 05:03:23,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 05:03:23,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 05:03:23,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 05:03:23,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-14 05:03:23,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-11-14 05:03:23,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 05:03:23,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-14 05:03:23,347 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-11-14 05:03:23,535 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 05:03:23,535 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 05:03:23,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 05:03:23,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1094252462, now seen corresponding path program 4 times [2021-11-14 05:03:23,536 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 05:03:23,536 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034350592] [2021-11-14 05:03:23,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 05:03:23,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 05:03:23,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 05:03:23,637 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-14 05:03:23,638 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 05:03:23,638 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034350592] [2021-11-14 05:03:23,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034350592] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 05:03:23,638 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1355986773] [2021-11-14 05:03:23,638 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-14 05:03:23,638 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 05:03:23,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 05:03:23,639 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 05:03:23,640 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-14 05:03:23,690 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-14 05:03:23,690 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 05:03:23,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-14 05:03:23,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 05:03:24,016 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-14 05:03:24,016 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 05:03:24,367 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-14 05:03:24,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1355986773] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 05:03:24,368 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 05:03:24,368 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2021-11-14 05:03:24,368 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569443586] [2021-11-14 05:03:24,368 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 05:03:24,369 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-14 05:03:24,369 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 05:03:24,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-14 05:03:24,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=435, Unknown=0, NotChecked=0, Total=552 [2021-11-14 05:03:24,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 05:03:24,370 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 05:03:24,370 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 7.833333333333333) internal successors, (188), 24 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 05:03:24,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 05:03:24,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 05:03:24,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 05:03:24,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 05:03:24,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-11-14 05:03:24,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-11-14 05:03:24,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-14 05:03:24,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-14 05:03:24,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 05:03:24,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 05:03:24,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 05:03:24,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 05:03:24,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 05:03:24,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-14 05:03:24,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-14 05:03:24,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 05:03:24,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-14 05:03:24,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-14 05:03:24,940 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-14 05:03:25,127 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 05:03:25,128 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 05:03:25,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 05:03:25,128 INFO L85 PathProgramCache]: Analyzing trace with hash 350738675, now seen corresponding path program 5 times [2021-11-14 05:03:25,128 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 05:03:25,128 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542652219] [2021-11-14 05:03:25,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 05:03:25,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 05:03:25,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 05:03:25,300 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-14 05:03:25,300 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 05:03:25,300 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542652219] [2021-11-14 05:03:25,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542652219] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 05:03:25,300 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [353860790] [2021-11-14 05:03:25,300 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-14 05:03:25,301 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 05:03:25,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 05:03:25,302 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 05:03:25,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-14 05:03:25,361 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-11-14 05:03:25,361 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 05:03:25,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-14 05:03:25,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 05:03:25,709 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-14 05:03:25,709 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 05:03:25,903 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-14 05:03:25,903 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [353860790] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 05:03:25,903 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-14 05:03:25,903 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 11] total 22 [2021-11-14 05:03:25,903 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859414978] [2021-11-14 05:03:25,904 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-14 05:03:25,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-14 05:03:25,904 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 05:03:25,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-14 05:03:25,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=402, Unknown=0, NotChecked=0, Total=462 [2021-11-14 05:03:25,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 05:03:25,905 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 05:03:25,905 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 10.227272727272727) internal successors, (225), 22 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 05:03:25,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 05:03:25,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 05:03:25,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 05:03:25,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 05:03:25,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-11-14 05:03:25,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-14 05:03:25,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-11-14 05:03:25,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-14 05:03:25,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-11-14 05:03:25,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 05:03:26,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 05:03:26,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 05:03:26,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 05:03:26,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 05:03:26,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-11-14 05:03:26,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-14 05:03:26,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-14 05:03:26,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-14 05:03:26,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-14 05:03:26,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-14 05:03:26,475 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-14 05:03:26,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-14 05:03:26,659 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 05:03:26,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 05:03:26,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1117863508, now seen corresponding path program 6 times [2021-11-14 05:03:26,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 05:03:26,660 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469275598] [2021-11-14 05:03:26,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 05:03:26,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 05:03:26,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 05:03:29,040 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 05:03:29,040 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 05:03:29,040 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469275598] [2021-11-14 05:03:29,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469275598] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 05:03:29,040 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1469592374] [2021-11-14 05:03:29,041 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-11-14 05:03:29,041 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 05:03:29,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 05:03:29,042 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 05:03:29,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-14 05:03:29,109 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-11-14 05:03:29,109 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-14 05:03:29,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 56 conjunts are in the unsatisfiable core [2021-11-14 05:03:29,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 05:03:30,650 INFO L354 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2021-11-14 05:03:30,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 40 [2021-11-14 05:03:31,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-14 05:03:31,643 INFO L354 Elim1Store]: treesize reduction 54, result has 23.9 percent of original size [2021-11-14 05:03:31,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 112 treesize of output 68 [2021-11-14 05:03:33,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-14 05:03:33,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-14 05:03:33,082 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-14 05:03:33,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 165 treesize of output 111 [2021-11-14 05:03:34,485 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-14 05:03:34,485 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 05:03:58,056 WARN L838 $PredicateComparison]: unable to prove that (forall ((~M~0 Int)) (or (< 0 ~M~0) (and (forall ((|ULTIMATE.start_main_~#t2~0#1.offset| Int) (|ULTIMATE.start_main_#t~pre15#1| Int)) (or (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset| |ULTIMATE.start_main_#t~pre15#1|)) c_~A~0.base) (+ (* c_thread1Thread1of1ForFork2_~i~0 4) c_~A~0.offset)) c_~min1~0) (and (forall ((|ULTIMATE.start_main_~#t3~0#1.offset| Int) (|ULTIMATE.start_main_#t~pre17#1| Int)) (let ((.cse1 (select (let ((.cse3 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset| |ULTIMATE.start_main_#t~pre15#1|)))) (store .cse3 |c_ULTIMATE.start_main_~#t3~0#1.base| (store (select .cse3 |c_ULTIMATE.start_main_~#t3~0#1.base|) |ULTIMATE.start_main_~#t3~0#1.offset| |ULTIMATE.start_main_#t~pre17#1|))) c_~A~0.base)) (.cse2 (* ~M~0 4))) (or (let ((.cse0 (select .cse1 (+ c_~A~0.offset .cse2 4)))) (and (or (< .cse0 c_~min2~0) (= c_~min2~0 c_~min1~0)) (or (<= c_~min2~0 .cse0) (= .cse0 c_~min1~0)))) (< (select .cse1 (+ c_~A~0.offset .cse2)) c_~min2~0)))) (forall ((|ULTIMATE.start_main_~#t3~0#1.offset| Int) (|ULTIMATE.start_main_#t~pre17#1| Int)) (let ((.cse6 (select (let ((.cse8 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset| |ULTIMATE.start_main_#t~pre15#1|)))) (store .cse8 |c_ULTIMATE.start_main_~#t3~0#1.base| (store (select .cse8 |c_ULTIMATE.start_main_~#t3~0#1.base|) |ULTIMATE.start_main_~#t3~0#1.offset| |ULTIMATE.start_main_#t~pre17#1|))) c_~A~0.base)) (.cse7 (* ~M~0 4))) (let ((.cse4 (select .cse6 (+ c_~A~0.offset .cse7)))) (or (<= c_~min2~0 .cse4) (let ((.cse5 (select .cse6 (+ c_~A~0.offset .cse7 4)))) (and (or (= .cse4 c_~min1~0) (< .cse5 .cse4)) (or (= .cse5 c_~min1~0) (<= .cse4 .cse5))))))))))) (forall ((|ULTIMATE.start_main_~#t2~0#1.offset| Int) (|ULTIMATE.start_main_#t~pre15#1| Int)) (or (and (forall ((|ULTIMATE.start_main_~#t3~0#1.offset| Int) (|ULTIMATE.start_main_#t~pre17#1| Int)) (let ((.cse13 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset| |ULTIMATE.start_main_#t~pre15#1|)))) (let ((.cse9 (select (store .cse13 |c_ULTIMATE.start_main_~#t3~0#1.base| (store (select .cse13 |c_ULTIMATE.start_main_~#t3~0#1.base|) |ULTIMATE.start_main_~#t3~0#1.offset| |ULTIMATE.start_main_#t~pre17#1|)) c_~A~0.base)) (.cse10 (* ~M~0 4))) (or (< (select .cse9 (+ c_~A~0.offset .cse10)) c_~min2~0) (let ((.cse11 (select .cse9 (+ c_~A~0.offset .cse10 4))) (.cse12 (select (select .cse13 c_~A~0.base) (+ (* c_thread1Thread1of1ForFork2_~i~0 4) c_~A~0.offset)))) (and (or (< .cse11 c_~min2~0) (= c_~min2~0 .cse12)) (or (<= c_~min2~0 .cse11) (= .cse11 .cse12)))))))) (forall ((|ULTIMATE.start_main_~#t3~0#1.offset| Int) (|ULTIMATE.start_main_#t~pre17#1| Int)) (let ((.cse17 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset| |ULTIMATE.start_main_#t~pre15#1|)))) (let ((.cse18 (select (store .cse17 |c_ULTIMATE.start_main_~#t3~0#1.base| (store (select .cse17 |c_ULTIMATE.start_main_~#t3~0#1.base|) |ULTIMATE.start_main_~#t3~0#1.offset| |ULTIMATE.start_main_#t~pre17#1|)) c_~A~0.base)) (.cse19 (* ~M~0 4))) (let ((.cse14 (select .cse18 (+ c_~A~0.offset .cse19)))) (or (<= c_~min2~0 .cse14) (let ((.cse16 (select .cse18 (+ c_~A~0.offset .cse19 4))) (.cse15 (select (select .cse17 c_~A~0.base) (+ (* c_thread1Thread1of1ForFork2_~i~0 4) c_~A~0.offset)))) (and (or (= .cse14 .cse15) (< .cse16 .cse14)) (or (<= .cse14 .cse16) (= .cse16 .cse15)))))))))) (<= c_~min1~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset| |ULTIMATE.start_main_#t~pre15#1|)) c_~A~0.base) (+ (* c_thread1Thread1of1ForFork2_~i~0 4) c_~A~0.offset)))))) (<= (+ 2 ~M~0) c_thread1Thread1of1ForFork2_~i~0))) is different from false [2021-11-14 05:04:04,692 WARN L838 $PredicateComparison]: unable to prove that (forall ((~M~0 Int)) (or (and (forall ((|ULTIMATE.start_main_~#t2~0#1.offset| Int) (|ULTIMATE.start_main_#t~pre15#1| Int)) (or (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset| |ULTIMATE.start_main_#t~pre15#1|)) c_~A~0.base) (+ c_~A~0.offset (* |c_thread1Thread1of1ForFork2_#t~post1| 4) 4)) c_~min1~0) (and (forall ((|ULTIMATE.start_main_~#t3~0#1.offset| Int) (|ULTIMATE.start_main_#t~pre17#1| Int)) (let ((.cse1 (select (let ((.cse3 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset| |ULTIMATE.start_main_#t~pre15#1|)))) (store .cse3 |c_ULTIMATE.start_main_~#t3~0#1.base| (store (select .cse3 |c_ULTIMATE.start_main_~#t3~0#1.base|) |ULTIMATE.start_main_~#t3~0#1.offset| |ULTIMATE.start_main_#t~pre17#1|))) c_~A~0.base)) (.cse2 (* ~M~0 4))) (or (let ((.cse0 (select .cse1 (+ c_~A~0.offset .cse2 4)))) (and (or (< .cse0 c_~min2~0) (= c_~min2~0 c_~min1~0)) (or (<= c_~min2~0 .cse0) (= .cse0 c_~min1~0)))) (< (select .cse1 (+ c_~A~0.offset .cse2)) c_~min2~0)))) (forall ((|ULTIMATE.start_main_~#t3~0#1.offset| Int) (|ULTIMATE.start_main_#t~pre17#1| Int)) (let ((.cse6 (select (let ((.cse8 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset| |ULTIMATE.start_main_#t~pre15#1|)))) (store .cse8 |c_ULTIMATE.start_main_~#t3~0#1.base| (store (select .cse8 |c_ULTIMATE.start_main_~#t3~0#1.base|) |ULTIMATE.start_main_~#t3~0#1.offset| |ULTIMATE.start_main_#t~pre17#1|))) c_~A~0.base)) (.cse7 (* ~M~0 4))) (let ((.cse4 (select .cse6 (+ c_~A~0.offset .cse7)))) (or (<= c_~min2~0 .cse4) (let ((.cse5 (select .cse6 (+ c_~A~0.offset .cse7 4)))) (and (or (= .cse4 c_~min1~0) (< .cse5 .cse4)) (or (= .cse5 c_~min1~0) (<= .cse4 .cse5))))))))))) (forall ((|ULTIMATE.start_main_~#t2~0#1.offset| Int) (|ULTIMATE.start_main_#t~pre15#1| Int)) (or (<= c_~min1~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset| |ULTIMATE.start_main_#t~pre15#1|)) c_~A~0.base) (+ c_~A~0.offset (* |c_thread1Thread1of1ForFork2_#t~post1| 4) 4))) (and (forall ((|ULTIMATE.start_main_~#t3~0#1.offset| Int) (|ULTIMATE.start_main_#t~pre17#1| Int)) (let ((.cse14 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset| |ULTIMATE.start_main_#t~pre15#1|)))) (let ((.cse12 (select (store .cse14 |c_ULTIMATE.start_main_~#t3~0#1.base| (store (select .cse14 |c_ULTIMATE.start_main_~#t3~0#1.base|) |ULTIMATE.start_main_~#t3~0#1.offset| |ULTIMATE.start_main_#t~pre17#1|)) c_~A~0.base)) (.cse13 (* ~M~0 4))) (let ((.cse9 (select .cse12 (+ c_~A~0.offset .cse13)))) (or (<= c_~min2~0 .cse9) (let ((.cse11 (select (select .cse14 c_~A~0.base) (+ c_~A~0.offset (* |c_thread1Thread1of1ForFork2_#t~post1| 4) 4))) (.cse10 (select .cse12 (+ c_~A~0.offset .cse13 4)))) (and (or (= .cse10 .cse11) (<= .cse9 .cse10)) (or (= .cse9 .cse11) (< .cse10 .cse9))))))))) (forall ((|ULTIMATE.start_main_~#t3~0#1.offset| Int) (|ULTIMATE.start_main_#t~pre17#1| Int)) (let ((.cse19 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset| |ULTIMATE.start_main_#t~pre15#1|)))) (let ((.cse15 (select (store .cse19 |c_ULTIMATE.start_main_~#t3~0#1.base| (store (select .cse19 |c_ULTIMATE.start_main_~#t3~0#1.base|) |ULTIMATE.start_main_~#t3~0#1.offset| |ULTIMATE.start_main_#t~pre17#1|)) c_~A~0.base)) (.cse16 (* ~M~0 4))) (or (< (select .cse15 (+ c_~A~0.offset .cse16)) c_~min2~0) (let ((.cse17 (select .cse15 (+ c_~A~0.offset .cse16 4))) (.cse18 (select (select .cse19 c_~A~0.base) (+ c_~A~0.offset (* |c_thread1Thread1of1ForFork2_#t~post1| 4) 4)))) (and (or (< .cse17 c_~min2~0) (= c_~min2~0 .cse18)) (or (<= c_~min2~0 .cse17) (= .cse17 .cse18)))))))))))) (<= (+ ~M~0 1) |c_thread1Thread1of1ForFork2_#t~post1|) (< 0 ~M~0))) is different from false [2021-11-14 05:04:33,577 INFO L354 Elim1Store]: treesize reduction 64, result has 37.9 percent of original size [2021-11-14 05:04:33,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 5459 treesize of output 4748 Received shutdown request... [2021-11-14 05:15:27,384 WARN L243 SmtUtils]: Removed 1 from assertion stack [2021-11-14 05:15:27,386 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2021-11-14 05:15:27,402 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-14 05:15:27,420 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-11-14 05:15:27,421 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 [2021-11-14 05:15:27,429 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-11-14 05:15:27,587 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 05:15:27,587 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 140 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 7 for 4ms.. [2021-11-14 05:15:27,588 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2021-11-14 05:15:27,588 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2021-11-14 05:15:27,589 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2021-11-14 05:15:27,593 INFO L732 BasicCegarLoop]: Path program histogram: [6, 1, 1, 1, 1, 1] [2021-11-14 05:15:27,595 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-14 05:15:27,595 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-14 05:15:27,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:15:27 BasicIcfg [2021-11-14 05:15:27,597 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-14 05:15:27,597 INFO L158 Benchmark]: Toolchain (without parser) took 762364.18ms. Allocated memory was 341.8MB in the beginning and 503.3MB in the end (delta: 161.5MB). Free memory was 286.3MB in the beginning and 309.9MB in the end (delta: -23.5MB). Peak memory consumption was 298.6MB. Max. memory is 16.0GB. [2021-11-14 05:15:27,597 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 341.8MB. Free memory is still 302.7MB. There was no memory consumed. Max. memory is 16.0GB. [2021-11-14 05:15:27,598 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.38ms. Allocated memory was 341.8MB in the beginning and 419.4MB in the end (delta: 77.6MB). Free memory was 286.2MB in the beginning and 390.0MB in the end (delta: -103.8MB). Peak memory consumption was 10.9MB. Max. memory is 16.0GB. [2021-11-14 05:15:27,598 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.62ms. Allocated memory is still 419.4MB. Free memory was 390.0MB in the beginning and 387.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2021-11-14 05:15:27,598 INFO L158 Benchmark]: Boogie Preprocessor took 20.92ms. Allocated memory is still 419.4MB. Free memory was 387.9MB in the beginning and 386.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. [2021-11-14 05:15:27,598 INFO L158 Benchmark]: RCFGBuilder took 490.81ms. Allocated memory is still 419.4MB. Free memory was 386.8MB in the beginning and 366.9MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. [2021-11-14 05:15:27,599 INFO L158 Benchmark]: TraceAbstraction took 761589.69ms. Allocated memory was 419.4MB in the beginning and 503.3MB in the end (delta: 83.9MB). Free memory was 366.9MB in the beginning and 309.9MB in the end (delta: 57.0MB). Peak memory consumption was 301.2MB. Max. memory is 16.0GB. [2021-11-14 05:15:27,600 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 341.8MB. Free memory is still 302.7MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 224.38ms. Allocated memory was 341.8MB in the beginning and 419.4MB in the end (delta: 77.6MB). Free memory was 286.2MB in the beginning and 390.0MB in the end (delta: -103.8MB). Peak memory consumption was 10.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 28.62ms. Allocated memory is still 419.4MB. Free memory was 390.0MB in the beginning and 387.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 20.92ms. Allocated memory is still 419.4MB. Free memory was 387.9MB in the beginning and 386.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 490.81ms. Allocated memory is still 419.4MB. Free memory was 386.8MB in the beginning and 366.9MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. * TraceAbstraction took 761589.69ms. Allocated memory was 419.4MB in the beginning and 503.3MB in the end (delta: 83.9MB). Free memory was 366.9MB in the beginning and 309.9MB in the end (delta: 57.0MB). Peak memory consumption was 301.2MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7550, positive: 6851, positive conditional: 4951, positive unconditional: 1900, negative: 699, negative conditional: 684, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6891, positive: 6851, positive conditional: 4951, positive unconditional: 1900, negative: 40, negative conditional: 25, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6891, positive: 6851, positive conditional: 4951, positive unconditional: 1900, negative: 40, negative conditional: 25, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7106, positive: 6851, positive conditional: 4883, positive unconditional: 1968, negative: 255, negative conditional: 215, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7106, positive: 6851, positive conditional: 2067, positive unconditional: 4784, negative: 255, negative conditional: 52, negative unconditional: 203, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7106, positive: 6851, positive conditional: 2067, positive unconditional: 4784, negative: 255, negative conditional: 52, negative unconditional: 203, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1685, positive: 1663, positive conditional: 27, positive unconditional: 1636, negative: 22, negative conditional: 7, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1685, positive: 1657, positive conditional: 0, positive unconditional: 1657, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 22, negative conditional: 7, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 115, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 97, negative conditional: 22, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 7106, positive: 5188, positive conditional: 2040, positive unconditional: 3148, negative: 233, negative conditional: 45, negative unconditional: 188, unknown: 1685, unknown conditional: 34, unknown unconditional: 1651] , Statistics on independence cache: Total cache size (in pairs): 1685, Positive cache size: 1663, Positive conditional cache size: 27, Positive unconditional cache size: 1636, Negative cache size: 22, Negative conditional cache size: 7, Negative unconditional cache size: 15, Eliminated conditions: 2979, Maximal queried relation: 7, Independence queries for same thread: 659 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 201.39ms, Number of persistent set computation: 571, Number of trivial persistent sets: 373, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1915, positive: 1900, positive conditional: 0, positive unconditional: 1900, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7550, positive: 6851, positive conditional: 4951, positive unconditional: 1900, negative: 699, negative conditional: 684, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6891, positive: 6851, positive conditional: 4951, positive unconditional: 1900, negative: 40, negative conditional: 25, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6891, positive: 6851, positive conditional: 4951, positive unconditional: 1900, negative: 40, negative conditional: 25, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7106, positive: 6851, positive conditional: 4883, positive unconditional: 1968, negative: 255, negative conditional: 215, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7106, positive: 6851, positive conditional: 2067, positive unconditional: 4784, negative: 255, negative conditional: 52, negative unconditional: 203, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7106, positive: 6851, positive conditional: 2067, positive unconditional: 4784, negative: 255, negative conditional: 52, negative unconditional: 203, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1685, positive: 1663, positive conditional: 27, positive unconditional: 1636, negative: 22, negative conditional: 7, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1685, positive: 1657, positive conditional: 0, positive unconditional: 1657, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 22, negative conditional: 7, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 115, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 97, negative conditional: 22, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 7106, positive: 5188, positive conditional: 2040, positive unconditional: 3148, negative: 233, negative conditional: 45, negative unconditional: 188, unknown: 1685, unknown conditional: 34, unknown unconditional: 1651] , Statistics on independence cache: Total cache size (in pairs): 1685, Positive cache size: 1663, Positive conditional cache size: 27, Positive unconditional cache size: 1636, Negative cache size: 22, Negative conditional cache size: 7, Negative unconditional cache size: 15, Eliminated conditions: 2979, Maximal queried relation: 7, Independence queries for same thread: 659 - 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: 100]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 140 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 7 for 4ms.. - TimeoutResultAtElement [Line: 92]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 140 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 7 for 4ms.. - 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 PartialOrderCegarLoop was analyzing trace of length 140 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 7 for 4ms.. - TimeoutResultAtElement [Line: 93]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 140 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 7 for 4ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 172 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 761.4s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 10.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 192, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 27.9s InterpolantComputationTime, 2090 NumberOfCodeBlocks, 2080 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 2949 ConstructedInterpolants, 44 QuantifiedInterpolants, 16779 SizeOfPredicates, 101 NumberOfNonLiveVariables, 1792 ConjunctsInSsa, 112 ConjunctsInUnsatCore, 24 InterpolantComputations, 4 PerfectInterpolantSequences, 93/166 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