/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-lit/sssc12_variant.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-?-bc289cb [2022-01-28 22:45:36,216 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-28 22:45:36,218 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-28 22:45:36,260 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-28 22:45:36,264 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-28 22:45:36,267 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-28 22:45:36,268 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-28 22:45:36,272 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-28 22:45:36,274 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-28 22:45:36,278 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-28 22:45:36,278 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-28 22:45:36,279 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-28 22:45:36,279 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-28 22:45:36,280 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-28 22:45:36,280 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-28 22:45:36,281 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-28 22:45:36,281 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-28 22:45:36,282 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-28 22:45:36,283 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-28 22:45:36,284 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-28 22:45:36,284 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-28 22:45:36,287 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-28 22:45:36,290 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-28 22:45:36,291 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-28 22:45:36,299 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-28 22:45:36,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-28 22:45:36,304 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-28 22:45:36,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-28 22:45:36,308 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.epf [2022-01-28 22:45:36,334 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-28 22:45:36,334 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-28 22:45:36,334 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-28 22:45:36,334 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-28 22:45:36,335 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-28 22:45:36,335 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-28 22:45:36,335 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-28 22:45:36,336 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-28 22:45:36,336 INFO L138 SettingsManager]: * Use SBE=true [2022-01-28 22:45:36,336 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-28 22:45:36,336 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-28 22:45:36,336 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-28 22:45:36,337 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-28 22:45:36,337 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-28 22:45:36,337 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-28 22:45:36,337 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-28 22:45:36,337 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-28 22:45:36,337 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-28 22:45:36,337 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-28 22:45:36,337 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-28 22:45:36,337 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-28 22:45:36,337 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-28 22:45:36,337 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-28 22:45:36,337 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-28 22:45:36,338 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-28 22:45:36,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-28 22:45:36,339 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-28 22:45:36,339 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-28 22:45:36,339 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-28 22:45:36,339 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-28 22:45:36,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-28 22:45:36,339 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-28 22:45:36,339 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-01-28 22:45:36,340 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-28 22:45:36,340 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-01-28 22:45:36,340 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-01-28 22:45:36,340 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-28 22:45:36,543 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-28 22:45:36,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-28 22:45:36,569 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-28 22:45:36,570 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-28 22:45:36,571 INFO L275 PluginConnector]: CDTParser initialized [2022-01-28 22:45:36,572 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-lit/sssc12_variant.i [2022-01-28 22:45:36,615 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab4f23d1e/117d946456394624a03324d3c0bdb064/FLAGe4cf3e2b8 [2022-01-28 22:45:37,041 INFO L306 CDTParser]: Found 1 translation units. [2022-01-28 22:45:37,041 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/sssc12_variant.i [2022-01-28 22:45:37,057 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab4f23d1e/117d946456394624a03324d3c0bdb064/FLAGe4cf3e2b8 [2022-01-28 22:45:37,373 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab4f23d1e/117d946456394624a03324d3c0bdb064 [2022-01-28 22:45:37,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-28 22:45:37,377 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-28 22:45:37,391 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-28 22:45:37,391 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-28 22:45:37,394 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-28 22:45:37,394 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 10:45:37" (1/1) ... [2022-01-28 22:45:37,395 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25db4728 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:45:37, skipping insertion in model container [2022-01-28 22:45:37,395 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 10:45:37" (1/1) ... [2022-01-28 22:45:37,399 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-28 22:45:37,422 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-28 22:45:37,706 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/sssc12_variant.i[46865,46878] [2022-01-28 22:45:37,721 INFO L209 PostProcessor]: Analyzing one entry point: main [2022-01-28 22:45:37,726 INFO L203 MainTranslator]: Completed pre-run [2022-01-28 22:45:37,746 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/sssc12_variant.i[46865,46878] [2022-01-28 22:45:37,749 INFO L209 PostProcessor]: Analyzing one entry point: main [2022-01-28 22:45:37,790 INFO L208 MainTranslator]: Completed translation [2022-01-28 22:45:37,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:45:37 WrapperNode [2022-01-28 22:45:37,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-28 22:45:37,791 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-28 22:45:37,791 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-28 22:45:37,791 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-28 22:45:37,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:45:37" (1/1) ... [2022-01-28 22:45:37,814 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:45:37" (1/1) ... [2022-01-28 22:45:37,830 INFO L137 Inliner]: procedures = 275, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 87 [2022-01-28 22:45:37,830 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-28 22:45:37,831 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-28 22:45:37,831 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-28 22:45:37,831 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-28 22:45:37,836 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:45:37" (1/1) ... [2022-01-28 22:45:37,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:45:37" (1/1) ... [2022-01-28 22:45:37,840 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:45:37" (1/1) ... [2022-01-28 22:45:37,841 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:45:37" (1/1) ... [2022-01-28 22:45:37,845 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:45:37" (1/1) ... [2022-01-28 22:45:37,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:45:37" (1/1) ... [2022-01-28 22:45:37,848 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:45:37" (1/1) ... [2022-01-28 22:45:37,850 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-28 22:45:37,850 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-28 22:45:37,850 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-28 22:45:37,851 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-28 22:45:37,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:45:37" (1/1) ... [2022-01-28 22:45:37,871 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-28 22:45:37,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 22:45:37,887 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-28 22:45:37,892 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-28 22:45:37,912 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-01-28 22:45:37,913 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2022-01-28 22:45:37,913 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2022-01-28 22:45:37,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-28 22:45:37,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-28 22:45:37,913 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-01-28 22:45:37,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-28 22:45:37,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-28 22:45:37,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-28 22:45:37,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-28 22:45:37,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-28 22:45:37,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-28 22:45:37,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-28 22:45:37,914 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-28 22:45:37,983 INFO L234 CfgBuilder]: Building ICFG [2022-01-28 22:45:37,984 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-28 22:45:38,116 INFO L275 CfgBuilder]: Performing block encoding [2022-01-28 22:45:38,152 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-28 22:45:38,153 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-28 22:45:38,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 10:45:38 BoogieIcfgContainer [2022-01-28 22:45:38,154 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-28 22:45:38,155 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-28 22:45:38,155 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-28 22:45:38,179 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-28 22:45:38,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.01 10:45:37" (1/3) ... [2022-01-28 22:45:38,180 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e33ef89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 10:45:38, skipping insertion in model container [2022-01-28 22:45:38,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:45:37" (2/3) ... [2022-01-28 22:45:38,180 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e33ef89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 10:45:38, skipping insertion in model container [2022-01-28 22:45:38,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 10:45:38" (3/3) ... [2022-01-28 22:45:38,181 INFO L111 eAbstractionObserver]: Analyzing ICFG sssc12_variant.i [2022-01-28 22:45:38,184 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-28 22:45:38,184 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-28 22:45:38,184 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-28 22:45:38,184 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-28 22:45:38,203 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,204 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,204 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,204 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,204 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,204 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,204 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,204 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,205 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,205 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,205 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,205 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,205 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,205 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,205 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,205 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,206 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,206 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,206 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,206 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,206 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,206 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,207 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,207 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,207 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,207 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,207 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,207 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,207 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,208 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,208 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,208 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,208 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,208 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,208 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,208 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,208 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,208 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,209 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,209 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,209 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,209 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,209 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,209 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,210 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,210 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,210 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,210 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,210 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,210 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,210 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,210 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,211 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,211 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,211 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,211 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,211 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,211 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,211 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,211 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,211 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,212 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,212 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,212 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,219 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,219 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,219 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,219 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,219 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,220 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,222 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,222 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,222 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,222 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,222 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,222 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,222 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,223 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,223 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,223 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,223 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,223 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-01-28 22:45:38,251 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-01-28 22:45:38,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 22:45:38,253 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) [2022-01-28 22:45:38,254 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 [2022-01-28 22:45:38,275 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-01-28 22:45:38,279 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 [2022-01-28 22:45:38,279 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-28 22:45:38,358 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-28 22:45:38,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 22:45:38,362 INFO L85 PathProgramCache]: Analyzing trace with hash -147767055, now seen corresponding path program 1 times [2022-01-28 22:45:38,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 22:45:38,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515773310] [2022-01-28 22:45:38,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 22:45:38,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 22:45:38,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 22:45:38,519 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-28 22:45:38,519 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 22:45:38,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515773310] [2022-01-28 22:45:38,520 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515773310] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 22:45:38,520 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 22:45:38,520 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-28 22:45:38,522 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569906610] [2022-01-28 22:45:38,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 22:45:38,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-28 22:45:38,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 22:45:38,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-28 22:45:38,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-28 22:45:38,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:45:38,546 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 22:45:38,548 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 22:45:38,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:45:38,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:45:38,564 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-28 22:45:38,564 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-28 22:45:38,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 22:45:38,567 INFO L85 PathProgramCache]: Analyzing trace with hash 178627719, now seen corresponding path program 1 times [2022-01-28 22:45:38,567 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 22:45:38,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268295061] [2022-01-28 22:45:38,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 22:45:38,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 22:45:38,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-28 22:45:38,601 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-28 22:45:38,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-28 22:45:38,644 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-28 22:45:38,644 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-28 22:45:38,645 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 1 remaining) [2022-01-28 22:45:38,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-28 22:45:38,656 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-28 22:45:38,657 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (1/2) [2022-01-28 22:45:38,658 WARN L234 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-01-28 22:45:38,658 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-01-28 22:45:38,678 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,678 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,678 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,678 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,679 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,679 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,679 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,679 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,679 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,680 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,680 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,680 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,680 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,680 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,680 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,680 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,680 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,680 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,680 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,680 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,681 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,681 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,681 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,681 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,681 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,681 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,681 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,681 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,681 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,682 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,682 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,683 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,683 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,683 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,683 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,683 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,683 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,683 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,683 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,683 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,683 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,683 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,684 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,684 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,684 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,684 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,684 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,684 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,684 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,684 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,685 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,685 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,685 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,685 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,685 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,685 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,686 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,686 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,686 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,686 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,686 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,686 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,686 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,687 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,687 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,687 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,687 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,687 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,687 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,687 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,688 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,688 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,689 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,689 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,689 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,689 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,689 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,689 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,689 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,689 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,689 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,689 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,690 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,692 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,695 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,695 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,695 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,695 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,695 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,695 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,695 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,696 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,696 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,696 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,696 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,696 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,696 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,696 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,696 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,696 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,696 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,696 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,697 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,697 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,697 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,697 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,697 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,697 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,697 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,697 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,697 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,697 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,697 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,697 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,697 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,698 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,698 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,698 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,698 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,698 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,698 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,698 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,698 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,698 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,698 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,698 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,699 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,699 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,699 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,699 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,699 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,699 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,699 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,699 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,699 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,699 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,699 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,700 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,700 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,700 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,700 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,700 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,700 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,700 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,700 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,700 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,701 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,701 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,701 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,701 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,701 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,701 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,701 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,701 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,702 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,702 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,702 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,702 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,702 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,702 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,702 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,702 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:45:38,702 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-01-28 22:45:38,714 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-01-28 22:45:38,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 22:45:38,715 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-01-28 22:45:38,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-01-28 22:45:38,769 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thrThread2of2ForFork0 ======== [2022-01-28 22:45:38,769 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 [2022-01-28 22:45:38,769 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-28 22:45:38,899 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-28 22:45:38,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 22:45:38,899 INFO L85 PathProgramCache]: Analyzing trace with hash -495900000, now seen corresponding path program 1 times [2022-01-28 22:45:38,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 22:45:38,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642398016] [2022-01-28 22:45:38,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 22:45:38,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 22:45:38,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 22:45:38,934 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-28 22:45:38,934 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 22:45:38,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642398016] [2022-01-28 22:45:38,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642398016] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 22:45:38,935 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 22:45:38,935 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-28 22:45:38,935 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709215608] [2022-01-28 22:45:38,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 22:45:38,935 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-28 22:45:38,935 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 22:45:38,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-28 22:45:38,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-28 22:45:38,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:45:38,936 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 22:45:38,936 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 43.0) internal successors, (86), 2 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 22:45:38,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:45:38,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:45:38,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-28 22:45:38,951 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-28 22:45:38,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 22:45:38,951 INFO L85 PathProgramCache]: Analyzing trace with hash 712477608, now seen corresponding path program 1 times [2022-01-28 22:45:38,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 22:45:38,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595657579] [2022-01-28 22:45:38,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 22:45:38,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 22:45:38,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 22:45:39,058 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-28 22:45:39,058 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 22:45:39,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595657579] [2022-01-28 22:45:39,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595657579] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 22:45:39,059 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 22:45:39,059 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-28 22:45:39,060 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297003999] [2022-01-28 22:45:39,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 22:45:39,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-28 22:45:39,061 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 22:45:39,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-28 22:45:39,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-28 22:45:39,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:45:39,061 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 22:45:39,062 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 22:45:39,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:45:39,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:45:39,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:45:39,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-28 22:45:39,229 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-28 22:45:39,229 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-28 22:45:39,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 22:45:39,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1020135921, now seen corresponding path program 1 times [2022-01-28 22:45:39,230 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 22:45:39,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622610228] [2022-01-28 22:45:39,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 22:45:39,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 22:45:39,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 22:45:39,312 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-01-28 22:45:39,313 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 22:45:39,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622610228] [2022-01-28 22:45:39,313 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622610228] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 22:45:39,313 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 22:45:39,313 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-28 22:45:39,313 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756589029] [2022-01-28 22:45:39,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 22:45:39,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-28 22:45:39,314 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 22:45:39,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-28 22:45:39,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-28 22:45:39,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:45:39,315 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 22:45:39,316 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 22:45:39,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:45:39,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-28 22:45:39,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:45:39,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:45:39,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-28 22:45:39,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-28 22:45:39,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-28 22:45:39,408 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-28 22:45:39,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 22:45:39,409 INFO L85 PathProgramCache]: Analyzing trace with hash -469146024, now seen corresponding path program 1 times [2022-01-28 22:45:39,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 22:45:39,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651196721] [2022-01-28 22:45:39,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 22:45:39,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 22:45:39,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 22:45:39,488 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-01-28 22:45:39,489 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 22:45:39,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651196721] [2022-01-28 22:45:39,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651196721] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 22:45:39,489 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 22:45:39,489 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-28 22:45:39,489 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638813971] [2022-01-28 22:45:39,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 22:45:39,489 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-28 22:45:39,489 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 22:45:39,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-28 22:45:39,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-28 22:45:39,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:45:39,490 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 22:45:39,490 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.0) internal successors, (102), 6 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 22:45:39,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:45:39,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-28 22:45:39,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-01-28 22:45:39,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:45:39,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:45:39,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-28 22:45:39,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-28 22:45:39,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-28 22:45:39,592 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-28 22:45:39,592 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-28 22:45:39,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 22:45:39,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1873658618, now seen corresponding path program 1 times [2022-01-28 22:45:39,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 22:45:39,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664826098] [2022-01-28 22:45:39,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 22:45:39,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 22:45:39,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 22:45:39,724 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-01-28 22:45:39,724 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 22:45:39,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664826098] [2022-01-28 22:45:39,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664826098] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 22:45:39,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [51694164] [2022-01-28 22:45:39,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 22:45:39,724 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 22:45:39,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 22:45:39,759 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-28 22:45:39,794 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-28 22:45:39,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 22:45:39,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-28 22:45:39,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 22:45:40,113 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-01-28 22:45:40,113 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-28 22:45:40,293 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-01-28 22:45:40,293 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [51694164] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-28 22:45:40,293 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-28 22:45:40,293 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2022-01-28 22:45:40,294 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527437972] [2022-01-28 22:45:40,294 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-28 22:45:40,294 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-28 22:45:40,294 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 22:45:40,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-28 22:45:40,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-01-28 22:45:40,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:45:40,295 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 22:45:40,295 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 15.727272727272727) internal successors, (173), 11 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 22:45:40,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:45:40,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-28 22:45:40,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-01-28 22:45:40,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-28 22:45:40,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:45:40,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:45:40,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-28 22:45:40,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-28 22:45:40,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-28 22:45:40,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-28 22:45:40,438 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-01-28 22:45:40,638 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 22:45:40,638 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-28 22:45:40,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 22:45:40,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1716499179, now seen corresponding path program 2 times [2022-01-28 22:45:40,639 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 22:45:40,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082113906] [2022-01-28 22:45:40,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 22:45:40,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 22:45:40,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 22:45:40,787 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 11 proven. 76 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-01-28 22:45:40,788 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 22:45:40,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082113906] [2022-01-28 22:45:40,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082113906] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 22:45:40,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1306873321] [2022-01-28 22:45:40,791 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-28 22:45:40,791 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 22:45:40,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 22:45:40,792 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-28 22:45:40,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-01-28 22:45:40,887 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-28 22:45:40,887 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 22:45:40,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 7 conjunts are in the unsatisfiable core [2022-01-28 22:45:40,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 22:45:41,131 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 11 proven. 76 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-01-28 22:45:41,131 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-28 22:45:41,412 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 11 proven. 76 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-01-28 22:45:41,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1306873321] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-28 22:45:41,412 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-28 22:45:41,412 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 17 [2022-01-28 22:45:41,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003036226] [2022-01-28 22:45:41,412 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-28 22:45:41,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-28 22:45:41,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 22:45:41,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-28 22:45:41,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2022-01-28 22:45:41,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:45:41,414 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 22:45:41,414 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 14.411764705882353) internal successors, (245), 17 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) [2022-01-28 22:45:41,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:45:41,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-28 22:45:41,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-01-28 22:45:41,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-28 22:45:41,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-28 22:45:41,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:45:41,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:45:41,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-28 22:45:41,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-28 22:45:41,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-28 22:45:41,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-28 22:45:41,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:45:41,595 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-01-28 22:45:41,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 22:45:41,780 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-28 22:45:41,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 22:45:41,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1446186187, now seen corresponding path program 3 times [2022-01-28 22:45:41,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 22:45:41,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846950891] [2022-01-28 22:45:41,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 22:45:41,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 22:45:41,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 22:45:41,901 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2022-01-28 22:45:41,901 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 22:45:41,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846950891] [2022-01-28 22:45:41,901 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846950891] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 22:45:41,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [191915578] [2022-01-28 22:45:41,901 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-28 22:45:41,901 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 22:45:41,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 22:45:41,902 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-28 22:45:41,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-01-28 22:45:41,985 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-01-28 22:45:41,985 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 22:45:41,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 17 conjunts are in the unsatisfiable core [2022-01-28 22:45:41,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 22:45:42,023 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 [2022-01-28 22:45:42,047 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-28 22:45:42,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-01-28 22:45:42,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-01-28 22:45:42,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-01-28 22:45:42,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2022-01-28 22:45:42,390 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2022-01-28 22:45:42,390 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-28 22:45:42,414 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_312 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_312) c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1)) is different from false [2022-01-28 22:45:42,432 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-28 22:45:42,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 27 [2022-01-28 22:45:42,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 26 [2022-01-28 22:45:42,768 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 558 trivial. 10 not checked. [2022-01-28 22:45:42,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [191915578] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-28 22:45:42,768 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-28 22:45:42,768 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 14 [2022-01-28 22:45:42,768 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412203075] [2022-01-28 22:45:42,768 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-28 22:45:42,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-01-28 22:45:42,769 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 22:45:42,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-01-28 22:45:42,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=129, Unknown=1, NotChecked=22, Total=182 [2022-01-28 22:45:42,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:45:42,769 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 22:45:42,770 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 9.785714285714286) internal successors, (137), 14 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 22:45:42,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:45:42,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-28 22:45:42,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-01-28 22:45:42,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-28 22:45:42,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-28 22:45:42,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:45:42,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:45:43,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:45:43,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-28 22:45:43,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-28 22:45:43,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-28 22:45:43,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-28 22:45:43,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:45:43,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-28 22:45:43,398 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-01-28 22:45:43,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 22:45:43,580 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-28 22:45:43,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 22:45:43,581 INFO L85 PathProgramCache]: Analyzing trace with hash 2043294425, now seen corresponding path program 1 times [2022-01-28 22:45:43,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 22:45:43,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823054352] [2022-01-28 22:45:43,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 22:45:43,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 22:45:43,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 22:45:43,828 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 469 proven. 120 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-01-28 22:45:43,829 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 22:45:43,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823054352] [2022-01-28 22:45:43,829 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823054352] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 22:45:43,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2038414129] [2022-01-28 22:45:43,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 22:45:43,829 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 22:45:43,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 22:45:43,836 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) [2022-01-28 22:45:43,837 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-01-28 22:45:43,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 22:45:43,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 13 conjunts are in the unsatisfiable core [2022-01-28 22:45:43,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 22:45:44,371 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 589 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-01-28 22:45:44,372 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-28 22:45:44,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2038414129] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 22:45:44,372 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-28 22:45:44,372 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [15] total 17 [2022-01-28 22:45:44,372 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268548083] [2022-01-28 22:45:44,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 22:45:44,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-01-28 22:45:44,373 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 22:45:44,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-01-28 22:45:44,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2022-01-28 22:45:44,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:45:44,374 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 22:45:44,374 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 15.642857142857142) internal successors, (219), 14 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 22:45:44,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:45:44,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-28 22:45:44,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-01-28 22:45:44,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-01-28 22:45:44,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-28 22:45:44,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:45:44,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-28 22:45:44,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:45:44,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:45:44,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:45:44,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-28 22:45:44,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-28 22:45:44,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-28 22:45:44,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:45:44,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-28 22:45:44,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:45:44,839 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-01-28 22:45:45,026 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 22:45:45,026 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-28 22:45:45,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 22:45:45,027 INFO L85 PathProgramCache]: Analyzing trace with hash 421905766, now seen corresponding path program 2 times [2022-01-28 22:45:45,027 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 22:45:45,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107389685] [2022-01-28 22:45:45,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 22:45:45,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 22:45:45,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 22:45:45,308 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 36 proven. 488 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-28 22:45:45,308 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 22:45:45,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107389685] [2022-01-28 22:45:45,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107389685] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 22:45:45,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1946197759] [2022-01-28 22:45:45,309 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-28 22:45:45,309 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 22:45:45,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 22:45:45,310 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) [2022-01-28 22:45:45,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-01-28 22:45:45,430 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-28 22:45:45,430 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 22:45:45,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 27 conjunts are in the unsatisfiable core [2022-01-28 22:45:45,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 22:45:45,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-01-28 22:45:45,853 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2022-01-28 22:45:45,854 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 27 treesize of output 26 [2022-01-28 22:45:45,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2022-01-28 22:45:45,892 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 56 proven. 468 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-28 22:45:45,892 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-28 22:45:46,373 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 47 proven. 477 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-28 22:45:46,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1946197759] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-28 22:45:46,373 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-28 22:45:46,373 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 23, 23] total 38 [2022-01-28 22:45:46,373 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289159197] [2022-01-28 22:45:46,373 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-28 22:45:46,374 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-01-28 22:45:46,374 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 22:45:46,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-01-28 22:45:46,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=225, Invalid=1181, Unknown=0, NotChecked=0, Total=1406 [2022-01-28 22:45:46,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:45:46,375 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 22:45:46,375 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 10.263157894736842) internal successors, (390), 38 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 22:45:46,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:45:46,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:45:46,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-01-28 22:45:46,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-01-28 22:45:46,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-28 22:45:46,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:45:46,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-28 22:45:46,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:45:46,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:45:47,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:45:47,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:45:47,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-28 22:45:47,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-28 22:45:47,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-28 22:45:47,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:45:47,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-28 22:45:47,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:45:47,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-01-28 22:45:47,949 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-01-28 22:45:48,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 22:45:48,133 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-28 22:45:48,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 22:45:48,133 INFO L85 PathProgramCache]: Analyzing trace with hash -91412896, now seen corresponding path program 1 times [2022-01-28 22:45:48,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 22:45:48,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377085695] [2022-01-28 22:45:48,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 22:45:48,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 22:45:48,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 22:45:48,188 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 506 trivial. 0 not checked. [2022-01-28 22:45:48,188 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 22:45:48,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377085695] [2022-01-28 22:45:48,188 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377085695] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 22:45:48,188 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 22:45:48,188 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-28 22:45:48,188 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357613522] [2022-01-28 22:45:48,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 22:45:48,189 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-28 22:45:48,189 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 22:45:48,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-28 22:45:48,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-28 22:45:48,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:45:48,190 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 22:45:48,190 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 22:45:48,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:45:48,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:45:48,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-01-28 22:45:48,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-01-28 22:45:48,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-28 22:45:48,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:45:48,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-28 22:45:48,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:45:48,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2022-01-28 22:45:48,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:45:49,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:45:49,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:45:49,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-28 22:45:49,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-28 22:45:49,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-28 22:45:49,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:45:49,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-28 22:45:49,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:45:49,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2022-01-28 22:45:49,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-28 22:45:49,477 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-28 22:45:49,477 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-28 22:45:49,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 22:45:49,477 INFO L85 PathProgramCache]: Analyzing trace with hash -2007965222, now seen corresponding path program 3 times [2022-01-28 22:45:49,477 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 22:45:49,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608257678] [2022-01-28 22:45:49,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 22:45:49,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 22:45:49,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 22:45:49,790 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 45 proven. 479 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-28 22:45:49,790 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 22:45:49,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608257678] [2022-01-28 22:45:49,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608257678] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 22:45:49,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1418750044] [2022-01-28 22:45:49,791 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-28 22:45:49,791 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 22:45:49,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 22:45:49,792 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) [2022-01-28 22:45:49,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-01-28 22:45:50,320 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-01-28 22:45:50,320 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 22:45:50,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 32 conjunts are in the unsatisfiable core [2022-01-28 22:45:50,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 22:45:50,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-01-28 22:45:50,763 INFO L354 Elim1Store]: treesize reduction 29, result has 39.6 percent of original size [2022-01-28 22:45:50,763 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 27 treesize of output 34 [2022-01-28 22:45:50,808 INFO L354 Elim1Store]: treesize reduction 29, result has 39.6 percent of original size [2022-01-28 22:45:50,809 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 35 treesize of output 42 [2022-01-28 22:45:50,917 INFO L354 Elim1Store]: treesize reduction 29, result has 39.6 percent of original size [2022-01-28 22:45:50,918 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 33 treesize of output 40 [2022-01-28 22:45:50,961 INFO L354 Elim1Store]: treesize reduction 29, result has 39.6 percent of original size [2022-01-28 22:45:50,962 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 40 treesize of output 47 [2022-01-28 22:45:51,130 INFO L354 Elim1Store]: treesize reduction 29, result has 39.6 percent of original size [2022-01-28 22:45:51,130 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 33 treesize of output 40 [2022-01-28 22:45:51,157 INFO L354 Elim1Store]: treesize reduction 29, result has 39.6 percent of original size [2022-01-28 22:45:51,157 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 40 treesize of output 47 [2022-01-28 22:45:51,270 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2022-01-28 22:45:51,270 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 27 treesize of output 26 [2022-01-28 22:45:51,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2022-01-28 22:45:51,306 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 56 proven. 319 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-01-28 22:45:51,307 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-28 22:45:55,542 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread1of2ForFork0_~c~0#1_83| Int) (|thrThread1of2ForFork0_~c~0#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_82| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_83| (+ |thrThread1of2ForFork0_~c~0#1| 1)) (< |v_thrThread1of2ForFork0_~c~0#1_82| (+ |v_thrThread1of2ForFork0_~c~0#1_83| 1)) (let ((.cse0 (+ |v_thrThread1of2ForFork0_~c~0#1_82| 1))) (and (or (<= |c_thrThread1of2ForFork0_~end~0#1| .cse0) (forall ((v_ArrVal_785 Int) (v_ArrVal_782 Int) (v_ArrVal_777 Int)) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |thrThread1of2ForFork0_~c~0#1| 4)) v_ArrVal_777) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_83| 4)) v_ArrVal_782) (+ (* |v_thrThread1of2ForFork0_~c~0#1_82| 4) c_~data~0.offset) v_ArrVal_785) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (or (<= |c_thrThread1of2ForFork0_~end~0#1| |c_thrThread2of2ForFork0_~c~0#1|) (< |c_thrThread2of2ForFork0_~c~0#1| .cse0)))))) is different from false [2022-01-28 22:45:56,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 53 [2022-01-28 22:45:57,021 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 88 proven. 211 refuted. 0 times theorem prover too weak. 139 trivial. 90 not checked. [2022-01-28 22:45:57,021 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1418750044] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-28 22:45:57,021 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-28 22:45:57,021 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 16, 20] total 48 [2022-01-28 22:45:57,022 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529860323] [2022-01-28 22:45:57,022 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-28 22:45:57,022 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-01-28 22:45:57,022 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 22:45:57,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-01-28 22:45:57,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=250, Invalid=1914, Unknown=2, NotChecked=90, Total=2256 [2022-01-28 22:45:57,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:45:57,024 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 22:45:57,024 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 10.458333333333334) internal successors, (502), 48 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 22:45:57,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:45:57,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:45:57,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-01-28 22:45:57,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-01-28 22:45:57,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-28 22:45:57,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:45:57,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-28 22:45:57,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:45:57,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2022-01-28 22:45:57,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-28 22:45:57,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:45:58,050 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 5 |c_thrThread1of2ForFork0_~c~0#1|) |c_thrThread2of2ForFork0_~c~0#1|) (<= |c_thrThread1of2ForFork0_~end~0#1| |c_thrThread2of2ForFork0_~c~0#1|) (forall ((|v_thrThread1of2ForFork0_~c~0#1_83| Int) (|thrThread1of2ForFork0_~c~0#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_82| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_83| (+ |thrThread1of2ForFork0_~c~0#1| 1)) (< |v_thrThread1of2ForFork0_~c~0#1_82| (+ |v_thrThread1of2ForFork0_~c~0#1_83| 1)) (let ((.cse0 (+ |v_thrThread1of2ForFork0_~c~0#1_82| 1))) (and (or (<= |c_thrThread1of2ForFork0_~end~0#1| .cse0) (forall ((v_ArrVal_785 Int) (v_ArrVal_782 Int) (v_ArrVal_777 Int)) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |thrThread1of2ForFork0_~c~0#1| 4)) v_ArrVal_777) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_83| 4)) v_ArrVal_782) (+ (* |v_thrThread1of2ForFork0_~c~0#1_82| 4) c_~data~0.offset) v_ArrVal_785) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (or (<= |c_thrThread1of2ForFork0_~end~0#1| |c_thrThread2of2ForFork0_~c~0#1|) (< |c_thrThread2of2ForFork0_~c~0#1| .cse0)))))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1)) is different from false [2022-01-28 22:45:58,736 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ |c_thrThread1of2ForFork0_~end~0#1| 1) |c_thrThread2of2ForFork0_~c~0#1|) (forall ((|v_thrThread1of2ForFork0_~c~0#1_83| Int) (|thrThread1of2ForFork0_~c~0#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_82| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_83| (+ |thrThread1of2ForFork0_~c~0#1| 1)) (< |v_thrThread1of2ForFork0_~c~0#1_82| (+ |v_thrThread1of2ForFork0_~c~0#1_83| 1)) (let ((.cse0 (+ |v_thrThread1of2ForFork0_~c~0#1_82| 1))) (and (or (<= |c_thrThread1of2ForFork0_~end~0#1| .cse0) (forall ((v_ArrVal_785 Int) (v_ArrVal_782 Int) (v_ArrVal_777 Int)) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |thrThread1of2ForFork0_~c~0#1| 4)) v_ArrVal_777) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_83| 4)) v_ArrVal_782) (+ (* |v_thrThread1of2ForFork0_~c~0#1_82| 4) c_~data~0.offset) v_ArrVal_785) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (or (<= |c_thrThread1of2ForFork0_~end~0#1| |c_thrThread2of2ForFork0_~c~0#1|) (< |c_thrThread2of2ForFork0_~c~0#1| .cse0)))))) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (<= (+ 6 |c_thrThread1of2ForFork0_~c~0#1|) |c_thrThread2of2ForFork0_~c~0#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|)) is different from false [2022-01-28 22:45:59,341 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread1of2ForFork0_~c~0#1_83| Int) (|thrThread1of2ForFork0_~c~0#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_82| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_83| (+ |thrThread1of2ForFork0_~c~0#1| 1)) (< |v_thrThread1of2ForFork0_~c~0#1_82| (+ |v_thrThread1of2ForFork0_~c~0#1_83| 1)) (let ((.cse0 (+ |v_thrThread1of2ForFork0_~c~0#1_82| 1))) (and (or (<= |c_thrThread1of2ForFork0_~end~0#1| .cse0) (forall ((v_ArrVal_785 Int) (v_ArrVal_782 Int) (v_ArrVal_777 Int)) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |thrThread1of2ForFork0_~c~0#1| 4)) v_ArrVal_777) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_83| 4)) v_ArrVal_782) (+ (* |v_thrThread1of2ForFork0_~c~0#1_82| 4) c_~data~0.offset) v_ArrVal_785) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (or (<= |c_thrThread1of2ForFork0_~end~0#1| |c_thrThread2of2ForFork0_~c~0#1|) (< |c_thrThread2of2ForFork0_~c~0#1| .cse0)))))) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ 2 |c_thrThread1of2ForFork0_~end~0#1|) |c_thrThread2of2ForFork0_~c~0#1|) (<= (+ 7 |c_thrThread1of2ForFork0_~c~0#1|) |c_thrThread2of2ForFork0_~c~0#1|)) is different from false [2022-01-28 22:45:59,934 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread1of2ForFork0_~c~0#1_83| Int) (|thrThread1of2ForFork0_~c~0#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_82| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_83| (+ |thrThread1of2ForFork0_~c~0#1| 1)) (< |v_thrThread1of2ForFork0_~c~0#1_82| (+ |v_thrThread1of2ForFork0_~c~0#1_83| 1)) (let ((.cse0 (+ |v_thrThread1of2ForFork0_~c~0#1_82| 1))) (and (or (<= |c_thrThread1of2ForFork0_~end~0#1| .cse0) (forall ((v_ArrVal_785 Int) (v_ArrVal_782 Int) (v_ArrVal_777 Int)) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |thrThread1of2ForFork0_~c~0#1| 4)) v_ArrVal_777) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_83| 4)) v_ArrVal_782) (+ (* |v_thrThread1of2ForFork0_~c~0#1_82| 4) c_~data~0.offset) v_ArrVal_785) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (or (<= |c_thrThread1of2ForFork0_~end~0#1| |c_thrThread2of2ForFork0_~c~0#1|) (< |c_thrThread2of2ForFork0_~c~0#1| .cse0)))))) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= (+ 3 |c_thrThread1of2ForFork0_~end~0#1|) |c_thrThread2of2ForFork0_~c~0#1|) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ 8 |c_thrThread1of2ForFork0_~c~0#1|) |c_thrThread2of2ForFork0_~c~0#1|)) is different from false [2022-01-28 22:46:00,507 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread1of2ForFork0_~c~0#1_83| Int) (|thrThread1of2ForFork0_~c~0#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_82| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_83| (+ |thrThread1of2ForFork0_~c~0#1| 1)) (< |v_thrThread1of2ForFork0_~c~0#1_82| (+ |v_thrThread1of2ForFork0_~c~0#1_83| 1)) (let ((.cse0 (+ |v_thrThread1of2ForFork0_~c~0#1_82| 1))) (and (or (<= |c_thrThread1of2ForFork0_~end~0#1| .cse0) (forall ((v_ArrVal_785 Int) (v_ArrVal_782 Int) (v_ArrVal_777 Int)) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |thrThread1of2ForFork0_~c~0#1| 4)) v_ArrVal_777) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_83| 4)) v_ArrVal_782) (+ (* |v_thrThread1of2ForFork0_~c~0#1_82| 4) c_~data~0.offset) v_ArrVal_785) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (or (<= |c_thrThread1of2ForFork0_~end~0#1| |c_thrThread2of2ForFork0_~c~0#1|) (< |c_thrThread2of2ForFork0_~c~0#1| .cse0)))))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (not (= |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1| 0)) (<= (+ 2 |c_thrThread1of2ForFork0_~end~0#1|) |c_thrThread2of2ForFork0_~c~0#1|) (<= (+ 7 |c_thrThread1of2ForFork0_~c~0#1|) |c_thrThread2of2ForFork0_~c~0#1|)) is different from false [2022-01-28 22:46:02,508 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread1of2ForFork0_~c~0#1_83| Int) (|thrThread1of2ForFork0_~c~0#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_82| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_83| (+ |thrThread1of2ForFork0_~c~0#1| 1)) (< |v_thrThread1of2ForFork0_~c~0#1_82| (+ |v_thrThread1of2ForFork0_~c~0#1_83| 1)) (let ((.cse0 (+ |v_thrThread1of2ForFork0_~c~0#1_82| 1))) (and (or (<= |c_thrThread1of2ForFork0_~end~0#1| .cse0) (forall ((v_ArrVal_785 Int) (v_ArrVal_782 Int) (v_ArrVal_777 Int)) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |thrThread1of2ForFork0_~c~0#1| 4)) v_ArrVal_777) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_83| 4)) v_ArrVal_782) (+ (* |v_thrThread1of2ForFork0_~c~0#1_82| 4) c_~data~0.offset) v_ArrVal_785) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (or (<= |c_thrThread1of2ForFork0_~end~0#1| |c_thrThread2of2ForFork0_~c~0#1|) (< |c_thrThread2of2ForFork0_~c~0#1| .cse0)))))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= (+ 7 |c_thrThread1of2ForFork0_~c~0#1|) |c_thrThread2of2ForFork0_~c~0#1|)) is different from false [2022-01-28 22:46:03,010 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread1of2ForFork0_~c~0#1_83| Int) (|thrThread1of2ForFork0_~c~0#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_82| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_83| (+ |thrThread1of2ForFork0_~c~0#1| 1)) (< |v_thrThread1of2ForFork0_~c~0#1_82| (+ |v_thrThread1of2ForFork0_~c~0#1_83| 1)) (let ((.cse0 (+ |v_thrThread1of2ForFork0_~c~0#1_82| 1))) (and (or (<= |c_thrThread1of2ForFork0_~end~0#1| .cse0) (forall ((v_ArrVal_785 Int) (v_ArrVal_782 Int) (v_ArrVal_777 Int)) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |thrThread1of2ForFork0_~c~0#1| 4)) v_ArrVal_777) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_83| 4)) v_ArrVal_782) (+ (* |v_thrThread1of2ForFork0_~c~0#1_82| 4) c_~data~0.offset) v_ArrVal_785) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (or (<= |c_thrThread1of2ForFork0_~end~0#1| |c_thrThread2of2ForFork0_~c~0#1|) (< |c_thrThread2of2ForFork0_~c~0#1| .cse0)))))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= (+ 3 |c_thrThread1of2ForFork0_~end~0#1|) |c_thrThread2of2ForFork0_~c~0#1|) (<= (+ 8 |c_thrThread1of2ForFork0_~c~0#1|) |c_thrThread2of2ForFork0_~c~0#1|)) is different from false [2022-01-28 22:46:03,465 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread1of2ForFork0_~c~0#1_83| Int) (|thrThread1of2ForFork0_~c~0#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_82| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_83| (+ |thrThread1of2ForFork0_~c~0#1| 1)) (< |v_thrThread1of2ForFork0_~c~0#1_82| (+ |v_thrThread1of2ForFork0_~c~0#1_83| 1)) (let ((.cse0 (+ |v_thrThread1of2ForFork0_~c~0#1_82| 1))) (and (or (<= |c_thrThread1of2ForFork0_~end~0#1| .cse0) (forall ((v_ArrVal_785 Int) (v_ArrVal_782 Int) (v_ArrVal_777 Int)) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |thrThread1of2ForFork0_~c~0#1| 4)) v_ArrVal_777) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_83| 4)) v_ArrVal_782) (+ (* |v_thrThread1of2ForFork0_~c~0#1_82| 4) c_~data~0.offset) v_ArrVal_785) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (or (<= |c_thrThread1of2ForFork0_~end~0#1| |c_thrThread2of2ForFork0_~c~0#1|) (< |c_thrThread2of2ForFork0_~c~0#1| .cse0)))))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= (+ 3 |c_thrThread1of2ForFork0_~end~0#1|) |c_thrThread2of2ForFork0_~c~0#1|) (<= (+ 7 |c_thrThread1of2ForFork0_~c~0#1|) |c_thrThread2of2ForFork0_~c~0#1|)) is different from false [2022-01-28 22:46:04,334 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread1of2ForFork0_~c~0#1_83| Int) (|thrThread1of2ForFork0_~c~0#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_82| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_83| (+ |thrThread1of2ForFork0_~c~0#1| 1)) (< |v_thrThread1of2ForFork0_~c~0#1_82| (+ |v_thrThread1of2ForFork0_~c~0#1_83| 1)) (let ((.cse0 (+ |v_thrThread1of2ForFork0_~c~0#1_82| 1))) (and (or (<= |c_thrThread1of2ForFork0_~end~0#1| .cse0) (forall ((v_ArrVal_785 Int) (v_ArrVal_782 Int) (v_ArrVal_777 Int)) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |thrThread1of2ForFork0_~c~0#1| 4)) v_ArrVal_777) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_83| 4)) v_ArrVal_782) (+ (* |v_thrThread1of2ForFork0_~c~0#1_82| 4) c_~data~0.offset) v_ArrVal_785) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (or (<= |c_thrThread1of2ForFork0_~end~0#1| |c_thrThread2of2ForFork0_~c~0#1|) (< |c_thrThread2of2ForFork0_~c~0#1| .cse0)))))) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= (+ 3 |c_thrThread1of2ForFork0_~end~0#1|) |c_thrThread2of2ForFork0_~c~0#1|) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|)) is different from false [2022-01-28 22:46:06,406 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread1of2ForFork0_~c~0#1_83| Int) (|thrThread1of2ForFork0_~c~0#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_82| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_83| (+ |thrThread1of2ForFork0_~c~0#1| 1)) (< |v_thrThread1of2ForFork0_~c~0#1_82| (+ |v_thrThread1of2ForFork0_~c~0#1_83| 1)) (let ((.cse0 (+ |v_thrThread1of2ForFork0_~c~0#1_82| 1))) (and (or (<= |c_thrThread1of2ForFork0_~end~0#1| .cse0) (forall ((v_ArrVal_785 Int) (v_ArrVal_782 Int) (v_ArrVal_777 Int)) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |thrThread1of2ForFork0_~c~0#1| 4)) v_ArrVal_777) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_83| 4)) v_ArrVal_782) (+ (* |v_thrThread1of2ForFork0_~c~0#1_82| 4) c_~data~0.offset) v_ArrVal_785) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (or (<= |c_thrThread1of2ForFork0_~end~0#1| |c_thrThread2of2ForFork0_~c~0#1|) (< |c_thrThread2of2ForFork0_~c~0#1| .cse0)))))) (<= (+ 6 |c_thrThread1of2ForFork0_~c~0#1|) |c_thrThread2of2ForFork0_~c~0#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1)) is different from false [2022-01-28 22:46:41,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:46:41,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:46:41,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-28 22:46:41,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-28 22:46:41,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-28 22:46:41,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:46:41,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-28 22:46:41,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:46:41,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2022-01-28 22:46:41,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-28 22:46:41,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2022-01-28 22:46:41,051 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-01-28 22:46:41,253 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,SelfDestructingSolverStorable12 [2022-01-28 22:46:41,254 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-28 22:46:41,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 22:46:41,254 INFO L85 PathProgramCache]: Analyzing trace with hash 45194586, now seen corresponding path program 4 times [2022-01-28 22:46:41,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 22:46:41,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939921358] [2022-01-28 22:46:41,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 22:46:41,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 22:46:41,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 22:46:41,815 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 45 proven. 479 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-28 22:46:41,815 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 22:46:41,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939921358] [2022-01-28 22:46:41,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939921358] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 22:46:41,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [444770879] [2022-01-28 22:46:41,815 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-01-28 22:46:41,815 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 22:46:41,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 22:46:41,818 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) [2022-01-28 22:46:41,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-01-28 22:46:41,975 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-01-28 22:46:41,975 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 22:46:41,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 43 conjunts are in the unsatisfiable core [2022-01-28 22:46:41,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 22:46:42,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-01-28 22:46:42,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-28 22:46:42,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-01-28 22:46:42,910 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2022-01-28 22:46:42,911 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 27 treesize of output 26 [2022-01-28 22:46:42,919 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2022-01-28 22:46:42,919 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 27 treesize of output 26 [2022-01-28 22:46:42,974 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2022-01-28 22:46:42,975 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 27 treesize of output 26 [2022-01-28 22:46:42,984 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2022-01-28 22:46:42,984 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 27 treesize of output 26 [2022-01-28 22:46:43,018 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2022-01-28 22:46:43,018 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 27 treesize of output 26 [2022-01-28 22:46:43,029 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2022-01-28 22:46:43,029 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 27 treesize of output 26 [2022-01-28 22:46:43,077 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2022-01-28 22:46:43,077 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 27 treesize of output 26 [2022-01-28 22:46:43,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2022-01-28 22:46:43,112 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 56 proven. 468 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-28 22:46:43,113 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-28 22:46:43,549 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ 5 |c_thrThread1of2ForFork0_~c~0#1|) |c_thrThread2of2ForFork0_~c~0#1|) (forall ((v_ArrVal_919 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_919) c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) is different from false [2022-01-28 22:46:43,567 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-28 22:46:43,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 27 [2022-01-28 22:46:43,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 26 [2022-01-28 22:46:43,573 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 9 treesize of output 3 [2022-01-28 22:46:44,347 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 46 proven. 468 refuted. 0 times theorem prover too weak. 4 trivial. 10 not checked. [2022-01-28 22:46:44,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [444770879] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-28 22:46:44,348 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-28 22:46:44,348 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 27, 27] total 61 [2022-01-28 22:46:44,348 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489247412] [2022-01-28 22:46:44,348 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-28 22:46:44,350 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2022-01-28 22:46:44,350 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 22:46:44,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2022-01-28 22:46:44,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=410, Invalid=3133, Unknown=1, NotChecked=116, Total=3660 [2022-01-28 22:46:44,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:46:44,352 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 22:46:44,353 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 9.327868852459016) internal successors, (569), 61 states have internal predecessors, (569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 22:46:44,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:46:44,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:46:44,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-01-28 22:46:44,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-01-28 22:46:44,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-28 22:46:44,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:46:44,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-28 22:46:44,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:46:44,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2022-01-28 22:46:44,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-28 22:46:44,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2022-01-28 22:46:44,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:46:46,299 WARN L838 $PredicateComparison]: unable to prove that (and (<= |c_thrThread1of2ForFork0_~end~0#1| |c_thrThread2of2ForFork0_~c~0#1|) (forall ((|v_thrThread1of2ForFork0_~c~0#1_83| Int) (|thrThread1of2ForFork0_~c~0#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_82| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_83| (+ |thrThread1of2ForFork0_~c~0#1| 1)) (< |v_thrThread1of2ForFork0_~c~0#1_82| (+ |v_thrThread1of2ForFork0_~c~0#1_83| 1)) (let ((.cse0 (+ |v_thrThread1of2ForFork0_~c~0#1_82| 1))) (and (or (<= |c_thrThread1of2ForFork0_~end~0#1| .cse0) (forall ((v_ArrVal_785 Int) (v_ArrVal_782 Int) (v_ArrVal_777 Int)) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |thrThread1of2ForFork0_~c~0#1| 4)) v_ArrVal_777) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_83| 4)) v_ArrVal_782) (+ (* |v_thrThread1of2ForFork0_~c~0#1_82| 4) c_~data~0.offset) v_ArrVal_785) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (or (<= |c_thrThread1of2ForFork0_~end~0#1| |c_thrThread2of2ForFork0_~c~0#1|) (< |c_thrThread2of2ForFork0_~c~0#1| .cse0)))))) (<= (+ 6 |c_thrThread1of2ForFork0_~c~0#1|) |c_thrThread2of2ForFork0_~c~0#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1)) is different from false [2022-01-28 22:46:47,158 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ |c_thrThread1of2ForFork0_~end~0#1| 1) |c_thrThread2of2ForFork0_~c~0#1|) (forall ((|v_thrThread1of2ForFork0_~c~0#1_83| Int) (|thrThread1of2ForFork0_~c~0#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_82| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_83| (+ |thrThread1of2ForFork0_~c~0#1| 1)) (< |v_thrThread1of2ForFork0_~c~0#1_82| (+ |v_thrThread1of2ForFork0_~c~0#1_83| 1)) (let ((.cse0 (+ |v_thrThread1of2ForFork0_~c~0#1_82| 1))) (and (or (<= |c_thrThread1of2ForFork0_~end~0#1| .cse0) (forall ((v_ArrVal_785 Int) (v_ArrVal_782 Int) (v_ArrVal_777 Int)) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |thrThread1of2ForFork0_~c~0#1| 4)) v_ArrVal_777) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_83| 4)) v_ArrVal_782) (+ (* |v_thrThread1of2ForFork0_~c~0#1_82| 4) c_~data~0.offset) v_ArrVal_785) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (or (<= |c_thrThread1of2ForFork0_~end~0#1| |c_thrThread2of2ForFork0_~c~0#1|) (< |c_thrThread2of2ForFork0_~c~0#1| .cse0)))))) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ 7 |c_thrThread1of2ForFork0_~c~0#1|) |c_thrThread2of2ForFork0_~c~0#1|)) is different from false [2022-01-28 22:46:47,941 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_thrThread1of2ForFork0_~c~0#1_83| Int) (|thrThread1of2ForFork0_~c~0#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_82| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_83| (+ |thrThread1of2ForFork0_~c~0#1| 1)) (< |v_thrThread1of2ForFork0_~c~0#1_82| (+ |v_thrThread1of2ForFork0_~c~0#1_83| 1)) (let ((.cse0 (+ |v_thrThread1of2ForFork0_~c~0#1_82| 1))) (and (or (<= |c_thrThread1of2ForFork0_~end~0#1| .cse0) (forall ((v_ArrVal_785 Int) (v_ArrVal_782 Int) (v_ArrVal_777 Int)) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |thrThread1of2ForFork0_~c~0#1| 4)) v_ArrVal_777) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_83| 4)) v_ArrVal_782) (+ (* |v_thrThread1of2ForFork0_~c~0#1_82| 4) c_~data~0.offset) v_ArrVal_785) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (or (<= |c_thrThread1of2ForFork0_~end~0#1| |c_thrThread2of2ForFork0_~c~0#1|) (< |c_thrThread2of2ForFork0_~c~0#1| .cse0)))))) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ 2 |c_thrThread1of2ForFork0_~end~0#1|) |c_thrThread2of2ForFork0_~c~0#1|) (<= (+ 8 |c_thrThread1of2ForFork0_~c~0#1|) |c_thrThread2of2ForFork0_~c~0#1|)) is different from false [2022-01-28 22:46:48,793 WARN L838 $PredicateComparison]: unable to prove that (and (<= |c_thrThread1of2ForFork0_~end~0#1| |c_thrThread2of2ForFork0_~c~0#1|) (forall ((|v_thrThread1of2ForFork0_~c~0#1_83| Int) (|thrThread1of2ForFork0_~c~0#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_82| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_83| (+ |thrThread1of2ForFork0_~c~0#1| 1)) (< |v_thrThread1of2ForFork0_~c~0#1_82| (+ |v_thrThread1of2ForFork0_~c~0#1_83| 1)) (let ((.cse0 (+ |v_thrThread1of2ForFork0_~c~0#1_82| 1))) (and (or (<= |c_thrThread1of2ForFork0_~end~0#1| .cse0) (forall ((v_ArrVal_785 Int) (v_ArrVal_782 Int) (v_ArrVal_777 Int)) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |thrThread1of2ForFork0_~c~0#1| 4)) v_ArrVal_777) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_83| 4)) v_ArrVal_782) (+ (* |v_thrThread1of2ForFork0_~c~0#1_82| 4) c_~data~0.offset) v_ArrVal_785) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (or (<= |c_thrThread1of2ForFork0_~end~0#1| |c_thrThread2of2ForFork0_~c~0#1|) (< |c_thrThread2of2ForFork0_~c~0#1| .cse0)))))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= (+ 7 |c_thrThread1of2ForFork0_~c~0#1|) |c_thrThread2of2ForFork0_~c~0#1|)) is different from false [2022-01-28 22:46:49,442 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ |c_thrThread1of2ForFork0_~end~0#1| 1) |c_thrThread2of2ForFork0_~c~0#1|) (forall ((|v_thrThread1of2ForFork0_~c~0#1_83| Int) (|thrThread1of2ForFork0_~c~0#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_82| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_83| (+ |thrThread1of2ForFork0_~c~0#1| 1)) (< |v_thrThread1of2ForFork0_~c~0#1_82| (+ |v_thrThread1of2ForFork0_~c~0#1_83| 1)) (let ((.cse0 (+ |v_thrThread1of2ForFork0_~c~0#1_82| 1))) (and (or (<= |c_thrThread1of2ForFork0_~end~0#1| .cse0) (forall ((v_ArrVal_785 Int) (v_ArrVal_782 Int) (v_ArrVal_777 Int)) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |thrThread1of2ForFork0_~c~0#1| 4)) v_ArrVal_777) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_83| 4)) v_ArrVal_782) (+ (* |v_thrThread1of2ForFork0_~c~0#1_82| 4) c_~data~0.offset) v_ArrVal_785) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (or (<= |c_thrThread1of2ForFork0_~end~0#1| |c_thrThread2of2ForFork0_~c~0#1|) (< |c_thrThread2of2ForFork0_~c~0#1| .cse0)))))) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ 8 |c_thrThread1of2ForFork0_~c~0#1|) |c_thrThread2of2ForFork0_~c~0#1|)) is different from false [2022-01-28 22:46:50,385 WARN L838 $PredicateComparison]: unable to prove that (and (<= |c_thrThread1of2ForFork0_~end~0#1| |c_thrThread2of2ForFork0_~c~0#1|) (forall ((|v_thrThread1of2ForFork0_~c~0#1_83| Int) (|thrThread1of2ForFork0_~c~0#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_82| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_83| (+ |thrThread1of2ForFork0_~c~0#1| 1)) (< |v_thrThread1of2ForFork0_~c~0#1_82| (+ |v_thrThread1of2ForFork0_~c~0#1_83| 1)) (let ((.cse0 (+ |v_thrThread1of2ForFork0_~c~0#1_82| 1))) (and (or (<= |c_thrThread1of2ForFork0_~end~0#1| .cse0) (forall ((v_ArrVal_785 Int) (v_ArrVal_782 Int) (v_ArrVal_777 Int)) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |thrThread1of2ForFork0_~c~0#1| 4)) v_ArrVal_777) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_83| 4)) v_ArrVal_782) (+ (* |v_thrThread1of2ForFork0_~c~0#1_82| 4) c_~data~0.offset) v_ArrVal_785) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (or (<= |c_thrThread1of2ForFork0_~end~0#1| |c_thrThread2of2ForFork0_~c~0#1|) (< |c_thrThread2of2ForFork0_~c~0#1| .cse0)))))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (<= (+ 8 |c_thrThread1of2ForFork0_~c~0#1|) |c_thrThread2of2ForFork0_~c~0#1|)) is different from false [2022-01-28 22:46:52,047 WARN L838 $PredicateComparison]: unable to prove that (and (<= 10 |c_thrThread1of2ForFork0_~end~0#1|) (<= |c_thrThread1of2ForFork0_~end~0#1| |c_thrThread2of2ForFork0_~c~0#1|) (forall ((|v_thrThread1of2ForFork0_~c~0#1_83| Int) (|thrThread1of2ForFork0_~c~0#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_82| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_83| (+ |thrThread1of2ForFork0_~c~0#1| 1)) (< |v_thrThread1of2ForFork0_~c~0#1_82| (+ |v_thrThread1of2ForFork0_~c~0#1_83| 1)) (let ((.cse0 (+ |v_thrThread1of2ForFork0_~c~0#1_82| 1))) (and (or (<= |c_thrThread1of2ForFork0_~end~0#1| .cse0) (forall ((v_ArrVal_785 Int) (v_ArrVal_782 Int) (v_ArrVal_777 Int)) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |thrThread1of2ForFork0_~c~0#1| 4)) v_ArrVal_777) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_83| 4)) v_ArrVal_782) (+ (* |v_thrThread1of2ForFork0_~c~0#1_82| 4) c_~data~0.offset) v_ArrVal_785) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (or (<= |c_thrThread1of2ForFork0_~end~0#1| |c_thrThread2of2ForFork0_~c~0#1|) (< |c_thrThread2of2ForFork0_~c~0#1| .cse0)))))) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1) (= |c_thrThread1of2ForFork0_~c~0#1| 0) (<= (+ 8 |c_thrThread1of2ForFork0_~c~0#1|) |c_thrThread2of2ForFork0_~c~0#1|)) is different from false [2022-01-28 22:46:56,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:46:56,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:46:56,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-28 22:46:56,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-28 22:46:56,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-28 22:46:56,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-28 22:46:56,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-28 22:46:56,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:46:56,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2022-01-28 22:46:56,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-28 22:46:56,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-01-28 22:46:56,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-01-28 22:46:56,129 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-01-28 22:46:56,325 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-01-28 22:46:56,325 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-28 22:46:56,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 22:46:56,326 INFO L85 PathProgramCache]: Analyzing trace with hash -213185003, now seen corresponding path program 5 times [2022-01-28 22:46:56,326 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 22:46:56,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929342358] [2022-01-28 22:46:56,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 22:46:56,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 22:46:56,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 22:46:57,044 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 45 proven. 381 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-01-28 22:46:57,045 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 22:46:57,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929342358] [2022-01-28 22:46:57,045 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929342358] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 22:46:57,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [725043279] [2022-01-28 22:46:57,045 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-01-28 22:46:57,045 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 22:46:57,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 22:46:57,046 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-28 22:46:57,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-01-28 22:46:57,303 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2022-01-28 22:46:57,304 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 22:46:57,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-28 22:46:57,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 22:46:57,445 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2022-01-28 22:46:57,445 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-28 22:46:57,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [725043279] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 22:46:57,445 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-28 22:46:57,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [29] total 30 [2022-01-28 22:46:57,446 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413896487] [2022-01-28 22:46:57,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 22:46:57,446 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 22:46:57,446 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 22:46:57,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 22:46:57,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=730, Unknown=0, NotChecked=0, Total=870 [2022-01-28 22:46:57,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:46:57,447 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 22:46:57,447 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 22:46:57,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:46:57,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:46:57,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-01-28 22:46:57,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-01-28 22:46:57,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-28 22:46:57,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-28 22:46:57,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-28 22:46:57,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:46:57,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2022-01-28 22:46:57,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-28 22:46:57,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2022-01-28 22:46:57,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-01-28 22:46:57,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:46:58,461 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (and (<= |c_thrThread1of2ForFork0_~end~0#1| |c_thrThread2of2ForFork0_~c~0#1|) (forall ((|v_thrThread1of2ForFork0_~c~0#1_83| Int) (|thrThread1of2ForFork0_~c~0#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_82| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_83| (+ |thrThread1of2ForFork0_~c~0#1| 1)) (< |v_thrThread1of2ForFork0_~c~0#1_82| (+ |v_thrThread1of2ForFork0_~c~0#1_83| 1)) (let ((.cse0 (+ |v_thrThread1of2ForFork0_~c~0#1_82| 1))) (and (or (<= |c_thrThread1of2ForFork0_~end~0#1| .cse0) (forall ((v_ArrVal_785 Int) (v_ArrVal_782 Int) (v_ArrVal_777 Int)) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |thrThread1of2ForFork0_~c~0#1| 4)) v_ArrVal_777) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_83| 4)) v_ArrVal_782) (+ (* |v_thrThread1of2ForFork0_~c~0#1_82| 4) c_~data~0.offset) v_ArrVal_785) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (or (<= |c_thrThread1of2ForFork0_~end~0#1| |c_thrThread2of2ForFork0_~c~0#1|) (< |c_thrThread2of2ForFork0_~c~0#1| .cse0)))))) .cse1 (or (and (not (= (* 4 |c_thrThread1of2ForFork0_~c~0#1|) (* 4 |c_thrThread2of2ForFork0_~c~0#1|))) .cse1) (<= |c_thrThread1of2ForFork0_~end~0#1| |c_thrThread1of2ForFork0_~c~0#1|)))) is different from false [2022-01-28 22:46:59,240 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (and (<= (+ |c_thrThread1of2ForFork0_~end~0#1| 1) |c_thrThread2of2ForFork0_~c~0#1|) (forall ((|v_thrThread1of2ForFork0_~c~0#1_83| Int) (|thrThread1of2ForFork0_~c~0#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_82| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_83| (+ |thrThread1of2ForFork0_~c~0#1| 1)) (< |v_thrThread1of2ForFork0_~c~0#1_82| (+ |v_thrThread1of2ForFork0_~c~0#1_83| 1)) (let ((.cse0 (+ |v_thrThread1of2ForFork0_~c~0#1_82| 1))) (and (or (<= |c_thrThread1of2ForFork0_~end~0#1| .cse0) (forall ((v_ArrVal_785 Int) (v_ArrVal_782 Int) (v_ArrVal_777 Int)) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |thrThread1of2ForFork0_~c~0#1| 4)) v_ArrVal_777) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_83| 4)) v_ArrVal_782) (+ (* |v_thrThread1of2ForFork0_~c~0#1_82| 4) c_~data~0.offset) v_ArrVal_785) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (or (<= |c_thrThread1of2ForFork0_~end~0#1| |c_thrThread2of2ForFork0_~c~0#1|) (< |c_thrThread2of2ForFork0_~c~0#1| .cse0)))))) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) .cse1 (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (or (and (not (= (* 4 |c_thrThread1of2ForFork0_~c~0#1|) (* 4 |c_thrThread2of2ForFork0_~c~0#1|))) .cse1) (<= |c_thrThread1of2ForFork0_~end~0#1| |c_thrThread1of2ForFork0_~c~0#1|)))) is different from false [2022-01-28 22:46:59,863 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (and (forall ((|v_thrThread1of2ForFork0_~c~0#1_83| Int) (|thrThread1of2ForFork0_~c~0#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_82| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_83| (+ |thrThread1of2ForFork0_~c~0#1| 1)) (< |v_thrThread1of2ForFork0_~c~0#1_82| (+ |v_thrThread1of2ForFork0_~c~0#1_83| 1)) (let ((.cse0 (+ |v_thrThread1of2ForFork0_~c~0#1_82| 1))) (and (or (<= |c_thrThread1of2ForFork0_~end~0#1| .cse0) (forall ((v_ArrVal_785 Int) (v_ArrVal_782 Int) (v_ArrVal_777 Int)) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |thrThread1of2ForFork0_~c~0#1| 4)) v_ArrVal_777) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_83| 4)) v_ArrVal_782) (+ (* |v_thrThread1of2ForFork0_~c~0#1_82| 4) c_~data~0.offset) v_ArrVal_785) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (or (<= |c_thrThread1of2ForFork0_~end~0#1| |c_thrThread2of2ForFork0_~c~0#1|) (< |c_thrThread2of2ForFork0_~c~0#1| .cse0)))))) (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1|) .cse1 (<= 1 |c_thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= (+ 2 |c_thrThread1of2ForFork0_~end~0#1|) |c_thrThread2of2ForFork0_~c~0#1|) (or (and (not (= (* 4 |c_thrThread1of2ForFork0_~c~0#1|) (* 4 |c_thrThread2of2ForFork0_~c~0#1|))) .cse1) (<= |c_thrThread1of2ForFork0_~end~0#1| |c_thrThread1of2ForFork0_~c~0#1|)))) is different from false [2022-01-28 22:47:00,466 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (and (forall ((|v_thrThread1of2ForFork0_~c~0#1_83| Int) (|thrThread1of2ForFork0_~c~0#1| Int) (|v_thrThread1of2ForFork0_~c~0#1_82| Int)) (or (< |v_thrThread1of2ForFork0_~c~0#1_83| (+ |thrThread1of2ForFork0_~c~0#1| 1)) (< |v_thrThread1of2ForFork0_~c~0#1_82| (+ |v_thrThread1of2ForFork0_~c~0#1_83| 1)) (let ((.cse0 (+ |v_thrThread1of2ForFork0_~c~0#1_82| 1))) (and (or (<= |c_thrThread1of2ForFork0_~end~0#1| .cse0) (forall ((v_ArrVal_785 Int) (v_ArrVal_782 Int) (v_ArrVal_777 Int)) (= (select (store (store (store (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |thrThread1of2ForFork0_~c~0#1| 4)) v_ArrVal_777) (+ c_~data~0.offset (* |v_thrThread1of2ForFork0_~c~0#1_83| 4)) v_ArrVal_782) (+ (* |v_thrThread1of2ForFork0_~c~0#1_82| 4) c_~data~0.offset) v_ArrVal_785) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1))) (or (<= |c_thrThread1of2ForFork0_~end~0#1| |c_thrThread2of2ForFork0_~c~0#1|) (< |c_thrThread2of2ForFork0_~c~0#1| .cse0)))))) .cse1 (not (= |c_thrThread2of2ForFork0___VERIFIER_assert_~cond#1| 0)) (<= (+ 2 |c_thrThread1of2ForFork0_~end~0#1|) |c_thrThread2of2ForFork0_~c~0#1|) (or (and (not (= (* 4 |c_thrThread1of2ForFork0_~c~0#1|) (* 4 |c_thrThread2of2ForFork0_~c~0#1|))) .cse1) (<= |c_thrThread1of2ForFork0_~end~0#1| |c_thrThread1of2ForFork0_~c~0#1|)))) is different from false [2022-01-28 22:47:02,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:02,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:47:02,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-28 22:47:02,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-28 22:47:02,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-28 22:47:02,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-28 22:47:02,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-28 22:47:02,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:47:02,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2022-01-28 22:47:02,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-28 22:47:02,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2022-01-28 22:47:02,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2022-01-28 22:47:02,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 22:47:02,645 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-01-28 22:47:02,846 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-01-28 22:47:02,846 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-28 22:47:02,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 22:47:02,846 INFO L85 PathProgramCache]: Analyzing trace with hash -895351762, now seen corresponding path program 1 times [2022-01-28 22:47:02,846 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 22:47:02,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747295519] [2022-01-28 22:47:02,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 22:47:02,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 22:47:02,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 22:47:03,033 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 244 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-28 22:47:03,034 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 22:47:03,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747295519] [2022-01-28 22:47:03,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747295519] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 22:47:03,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [572861478] [2022-01-28 22:47:03,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 22:47:03,034 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 22:47:03,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 22:47:03,035 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-28 22:47:03,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-01-28 22:47:03,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 22:47:03,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 21 conjunts are in the unsatisfiable core [2022-01-28 22:47:03,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 22:47:03,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-01-28 22:47:03,377 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2022-01-28 22:47:03,377 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 27 treesize of output 26 [2022-01-28 22:47:03,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2022-01-28 22:47:03,403 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 10 proven. 234 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-28 22:47:03,403 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-28 22:47:03,627 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 10 proven. 234 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-28 22:47:03,628 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [572861478] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-28 22:47:03,628 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-28 22:47:03,628 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 17] total 30 [2022-01-28 22:47:03,628 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217031457] [2022-01-28 22:47:03,628 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-28 22:47:03,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-01-28 22:47:03,630 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 22:47:03,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-01-28 22:47:03,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=712, Unknown=0, NotChecked=0, Total=870 [2022-01-28 22:47:03,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:03,631 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 22:47:03,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 9.366666666666667) internal successors, (281), 30 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 22:47:03,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:03,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:47:03,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-01-28 22:47:03,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-01-28 22:47:03,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-01-28 22:47:03,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-28 22:47:03,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-28 22:47:03,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:47:03,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2022-01-28 22:47:03,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-28 22:47:03,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2022-01-28 22:47:03,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2022-01-28 22:47:03,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 22:47:03,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:04,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:04,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:47:04,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-28 22:47:04,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-28 22:47:04,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-28 22:47:04,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-28 22:47:04,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-28 22:47:04,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:47:04,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2022-01-28 22:47:04,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-28 22:47:04,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2022-01-28 22:47:04,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2022-01-28 22:47:04,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 22:47:04,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-01-28 22:47:04,629 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-01-28 22:47:04,815 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-01-28 22:47:04,816 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-28 22:47:04,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 22:47:04,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1252846054, now seen corresponding path program 2 times [2022-01-28 22:47:04,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 22:47:04,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447525893] [2022-01-28 22:47:04,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 22:47:04,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 22:47:04,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 22:47:05,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1233 backedges. 1061 proven. 167 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-28 22:47:05,020 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 22:47:05,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447525893] [2022-01-28 22:47:05,020 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447525893] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 22:47:05,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [658403080] [2022-01-28 22:47:05,020 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-28 22:47:05,020 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 22:47:05,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 22:47:05,022 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-28 22:47:05,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-01-28 22:47:05,163 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-28 22:47:05,163 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 22:47:05,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 13 conjunts are in the unsatisfiable core [2022-01-28 22:47:05,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 22:47:05,417 INFO L134 CoverageAnalysis]: Checked inductivity of 1233 backedges. 1124 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-01-28 22:47:05,418 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-28 22:47:05,418 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [658403080] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 22:47:05,418 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-28 22:47:05,418 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [19] total 21 [2022-01-28 22:47:05,418 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746141511] [2022-01-28 22:47:05,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 22:47:05,418 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-01-28 22:47:05,418 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 22:47:05,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-01-28 22:47:05,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=273, Unknown=0, NotChecked=0, Total=420 [2022-01-28 22:47:05,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:05,419 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 22:47:05,419 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 15.357142857142858) internal successors, (215), 14 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 22:47:05,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:05,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:47:05,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-01-28 22:47:05,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-01-28 22:47:05,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-01-28 22:47:05,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-28 22:47:05,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-28 22:47:05,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:47:05,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2022-01-28 22:47:05,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-28 22:47:05,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2022-01-28 22:47:05,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2022-01-28 22:47:05,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 22:47:05,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2022-01-28 22:47:05,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:05,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:05,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:47:05,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-28 22:47:05,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-28 22:47:05,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-28 22:47:05,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-28 22:47:05,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-28 22:47:05,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:47:05,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2022-01-28 22:47:05,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-28 22:47:05,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2022-01-28 22:47:05,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2022-01-28 22:47:05,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 22:47:05,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-01-28 22:47:05,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:47:05,624 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-01-28 22:47:05,807 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-01-28 22:47:05,808 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-28 22:47:05,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 22:47:05,808 INFO L85 PathProgramCache]: Analyzing trace with hash -332878701, now seen corresponding path program 3 times [2022-01-28 22:47:05,808 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 22:47:05,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190025060] [2022-01-28 22:47:05,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 22:47:05,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 22:47:05,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 22:47:06,136 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 523 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-28 22:47:06,137 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 22:47:06,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190025060] [2022-01-28 22:47:06,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190025060] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 22:47:06,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [160530832] [2022-01-28 22:47:06,137 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-28 22:47:06,137 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 22:47:06,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 22:47:06,138 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-28 22:47:06,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-01-28 22:47:06,294 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-01-28 22:47:06,294 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 22:47:06,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 22 conjunts are in the unsatisfiable core [2022-01-28 22:47:06,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 22:47:06,331 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 [2022-01-28 22:47:06,354 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-28 22:47:06,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-01-28 22:47:06,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-01-28 22:47:06,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-01-28 22:47:06,944 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2022-01-28 22:47:06,945 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 27 treesize of output 26 [2022-01-28 22:47:06,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2022-01-28 22:47:06,988 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 10 proven. 72 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2022-01-28 22:47:06,989 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-28 22:47:07,096 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_1389 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1389) c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread2of2ForFork0_~c~0#1| 4))) 1)) (<= (+ |c_thrThread2of2ForFork0_~c~0#1| 1) c_~next~0)) is different from false [2022-01-28 22:47:07,123 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-28 22:47:07,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 27 [2022-01-28 22:47:07,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 26 [2022-01-28 22:47:07,127 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 9 treesize of output 3 [2022-01-28 22:47:07,683 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 446 trivial. 10 not checked. [2022-01-28 22:47:07,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [160530832] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-28 22:47:07,684 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-28 22:47:07,684 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 14, 14] total 33 [2022-01-28 22:47:07,684 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723539412] [2022-01-28 22:47:07,684 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-28 22:47:07,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-01-28 22:47:07,685 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 22:47:07,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-01-28 22:47:07,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=858, Unknown=1, NotChecked=60, Total=1056 [2022-01-28 22:47:07,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:07,685 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 22:47:07,685 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 8.636363636363637) internal successors, (285), 33 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 22:47:07,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:07,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:47:07,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-01-28 22:47:07,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-01-28 22:47:07,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-01-28 22:47:07,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-28 22:47:07,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-28 22:47:07,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:47:07,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2022-01-28 22:47:07,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-28 22:47:07,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2022-01-28 22:47:07,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2022-01-28 22:47:07,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 22:47:07,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-01-28 22:47:07,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:47:07,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:11,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:11,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:47:11,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-28 22:47:11,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-28 22:47:11,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-28 22:47:11,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-28 22:47:11,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-28 22:47:11,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:47:11,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2022-01-28 22:47:11,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-28 22:47:11,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2022-01-28 22:47:11,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2022-01-28 22:47:11,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 22:47:11,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-01-28 22:47:11,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:47:11,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2022-01-28 22:47:11,402 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2022-01-28 22:47:11,598 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-01-28 22:47:11,599 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-28 22:47:11,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 22:47:11,599 INFO L85 PathProgramCache]: Analyzing trace with hash 1549144161, now seen corresponding path program 1 times [2022-01-28 22:47:11,599 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 22:47:11,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428668340] [2022-01-28 22:47:11,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 22:47:11,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 22:47:11,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 22:47:11,765 INFO L134 CoverageAnalysis]: Checked inductivity of 608 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 539 trivial. 0 not checked. [2022-01-28 22:47:11,765 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 22:47:11,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428668340] [2022-01-28 22:47:11,765 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428668340] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 22:47:11,765 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 22:47:11,765 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-28 22:47:11,765 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460605920] [2022-01-28 22:47:11,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 22:47:11,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-28 22:47:11,766 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 22:47:11,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-28 22:47:11,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-28 22:47:11,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:11,766 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 22:47:11,767 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 22:47:11,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:11,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:47:11,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-01-28 22:47:11,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-01-28 22:47:11,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-01-28 22:47:11,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-28 22:47:11,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-28 22:47:11,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:47:11,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2022-01-28 22:47:11,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-28 22:47:11,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2022-01-28 22:47:11,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2022-01-28 22:47:11,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 22:47:11,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-01-28 22:47:11,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:47:11,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2022-01-28 22:47:11,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:12,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:12,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:47:12,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-28 22:47:12,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-28 22:47:12,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-28 22:47:12,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-28 22:47:12,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-28 22:47:12,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:47:12,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2022-01-28 22:47:12,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-28 22:47:12,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2022-01-28 22:47:12,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-01-28 22:47:12,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 22:47:12,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-01-28 22:47:12,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:47:12,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-01-28 22:47:12,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-28 22:47:12,345 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-01-28 22:47:12,345 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-28 22:47:12,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 22:47:12,345 INFO L85 PathProgramCache]: Analyzing trace with hash 244179958, now seen corresponding path program 6 times [2022-01-28 22:47:12,345 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 22:47:12,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203401598] [2022-01-28 22:47:12,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 22:47:12,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 22:47:12,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 22:47:12,599 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 0 proven. 525 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-28 22:47:12,599 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 22:47:12,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203401598] [2022-01-28 22:47:12,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203401598] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 22:47:12,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1700078250] [2022-01-28 22:47:12,600 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-01-28 22:47:12,600 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 22:47:12,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 22:47:12,651 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-28 22:47:12,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-01-28 22:47:12,791 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2022-01-28 22:47:12,792 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 22:47:12,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 17 conjunts are in the unsatisfiable core [2022-01-28 22:47:12,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 22:47:13,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-01-28 22:47:13,037 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2022-01-28 22:47:13,037 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 27 treesize of output 26 [2022-01-28 22:47:13,076 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2022-01-28 22:47:13,076 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 27 treesize of output 26 [2022-01-28 22:47:13,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2022-01-28 22:47:13,101 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 12 proven. 72 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2022-01-28 22:47:13,101 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-28 22:47:13,375 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 10 proven. 74 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2022-01-28 22:47:13,375 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1700078250] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-28 22:47:13,375 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-28 22:47:13,375 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 11, 12] total 27 [2022-01-28 22:47:13,375 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261559312] [2022-01-28 22:47:13,375 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-28 22:47:13,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 22:47:13,376 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 22:47:13,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 22:47:13,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=592, Unknown=0, NotChecked=0, Total=702 [2022-01-28 22:47:13,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:13,376 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 22:47:13,376 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 10.444444444444445) internal successors, (282), 27 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 22:47:13,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:13,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:47:13,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-01-28 22:47:13,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-01-28 22:47:13,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-01-28 22:47:13,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-01-28 22:47:13,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-28 22:47:13,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:47:13,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2022-01-28 22:47:13,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-28 22:47:13,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2022-01-28 22:47:13,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-01-28 22:47:13,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 22:47:13,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2022-01-28 22:47:13,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:47:13,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-01-28 22:47:13,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-28 22:47:13,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:21,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:21,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:47:21,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-28 22:47:21,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-28 22:47:21,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-28 22:47:21,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-28 22:47:21,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-28 22:47:21,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:47:21,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2022-01-28 22:47:21,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-28 22:47:21,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2022-01-28 22:47:21,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2022-01-28 22:47:21,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 22:47:21,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-01-28 22:47:21,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:47:21,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2022-01-28 22:47:21,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-28 22:47:21,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-01-28 22:47:21,236 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-28 22:47:21,254 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2022-01-28 22:47:21,451 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 22:47:21,455 INFO L732 BasicCegarLoop]: Path program histogram: [6, 3, 3, 1, 1, 1, 1, 1, 1] [2022-01-28 22:47:21,455 INFO L308 ceAbstractionStarter]: Result for error location thrThread2of2ForFork0 was SAFE (1/3) [2022-01-28 22:47:21,457 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-01-28 22:47:21,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 22:47:21,458 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-01-28 22:47:21,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (16)] Waiting until timeout for monitored process [2022-01-28 22:47:21,461 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thrThread1of2ForFork0 ======== [2022-01-28 22:47:21,461 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 [2022-01-28 22:47:21,461 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-28 22:47:21,531 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-28 22:47:21,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 22:47:21,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1314986904, now seen corresponding path program 1 times [2022-01-28 22:47:21,531 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 22:47:21,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928600336] [2022-01-28 22:47:21,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 22:47:21,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 22:47:21,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 22:47:21,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 22:47:21,542 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 22:47:21,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928600336] [2022-01-28 22:47:21,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928600336] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 22:47:21,542 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 22:47:21,542 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-28 22:47:21,542 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297275413] [2022-01-28 22:47:21,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 22:47:21,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-28 22:47:21,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 22:47:21,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-28 22:47:21,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-28 22:47:21,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:21,543 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 22:47:21,543 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 22:47:21,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:21,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:21,546 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-01-28 22:47:21,546 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-28 22:47:21,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 22:47:21,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1543138609, now seen corresponding path program 1 times [2022-01-28 22:47:21,547 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 22:47:21,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206107538] [2022-01-28 22:47:21,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 22:47:21,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 22:47:21,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 22:47:21,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 22:47:21,576 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 22:47:21,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206107538] [2022-01-28 22:47:21,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206107538] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 22:47:21,576 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 22:47:21,576 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-28 22:47:21,576 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457647682] [2022-01-28 22:47:21,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 22:47:21,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-28 22:47:21,577 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 22:47:21,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-28 22:47:21,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-28 22:47:21,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:21,577 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 22:47:21,577 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 22:47:21,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:21,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:21,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:21,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-28 22:47:21,643 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-01-28 22:47:21,643 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-28 22:47:21,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 22:47:21,643 INFO L85 PathProgramCache]: Analyzing trace with hash -216175272, now seen corresponding path program 1 times [2022-01-28 22:47:21,643 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 22:47:21,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848190630] [2022-01-28 22:47:21,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 22:47:21,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 22:47:21,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 22:47:21,716 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-28 22:47:21,716 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 22:47:21,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848190630] [2022-01-28 22:47:21,716 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848190630] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 22:47:21,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1622195360] [2022-01-28 22:47:21,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 22:47:21,716 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 22:47:21,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 22:47:21,736 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-28 22:47:21,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-01-28 22:47:22,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 22:47:22,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 17 conjunts are in the unsatisfiable core [2022-01-28 22:47:22,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 22:47:22,028 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 [2022-01-28 22:47:22,051 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-28 22:47:22,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-01-28 22:47:22,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-01-28 22:47:22,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-01-28 22:47:22,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2022-01-28 22:47:22,172 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-28 22:47:22,172 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-28 22:47:22,197 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1633 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1633) c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) is different from false [2022-01-28 22:47:22,214 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-28 22:47:22,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 27 [2022-01-28 22:47:22,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 26 [2022-01-28 22:47:22,333 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 4 not checked. [2022-01-28 22:47:22,333 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1622195360] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-28 22:47:22,333 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-28 22:47:22,333 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 14 [2022-01-28 22:47:22,334 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899300185] [2022-01-28 22:47:22,334 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-28 22:47:22,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-01-28 22:47:22,334 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 22:47:22,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-01-28 22:47:22,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=129, Unknown=1, NotChecked=22, Total=182 [2022-01-28 22:47:22,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:22,334 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 22:47:22,335 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.428571428571429) internal successors, (104), 14 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 22:47:22,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:22,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-01-28 22:47:22,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:22,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:22,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-28 22:47:22,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-28 22:47:22,581 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-01-28 22:47:22,759 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-01-28 22:47:22,759 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-28 22:47:22,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 22:47:22,760 INFO L85 PathProgramCache]: Analyzing trace with hash -967143089, now seen corresponding path program 1 times [2022-01-28 22:47:22,760 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 22:47:22,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808716558] [2022-01-28 22:47:22,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 22:47:22,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 22:47:22,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 22:47:22,973 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 22:47:22,973 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 22:47:22,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808716558] [2022-01-28 22:47:22,973 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808716558] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 22:47:22,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [61666666] [2022-01-28 22:47:22,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 22:47:22,973 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 22:47:22,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 22:47:22,984 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-28 22:47:23,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-01-28 22:47:23,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 22:47:23,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 26 conjunts are in the unsatisfiable core [2022-01-28 22:47:23,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 22:47:23,192 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 [2022-01-28 22:47:23,213 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-28 22:47:23,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-01-28 22:47:23,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-01-28 22:47:23,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-01-28 22:47:23,616 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2022-01-28 22:47:23,616 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 27 treesize of output 26 [2022-01-28 22:47:23,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2022-01-28 22:47:23,654 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 9 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 22:47:23,654 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-28 22:47:23,785 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_1693 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1693) c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0)) is different from false [2022-01-28 22:47:23,817 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-28 22:47:23,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 27 [2022-01-28 22:47:23,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 26 [2022-01-28 22:47:23,821 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 9 treesize of output 3 [2022-01-28 22:47:24,195 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 4 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 11 not checked. [2022-01-28 22:47:24,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [61666666] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-28 22:47:24,196 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-28 22:47:24,196 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18, 18] total 36 [2022-01-28 22:47:24,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493367837] [2022-01-28 22:47:24,196 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-28 22:47:24,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-01-28 22:47:24,196 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 22:47:24,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-01-28 22:47:24,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=1024, Unknown=1, NotChecked=66, Total=1260 [2022-01-28 22:47:24,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:24,197 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 22:47:24,197 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 7.444444444444445) internal successors, (268), 36 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 22:47:24,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:24,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-28 22:47:24,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-01-28 22:47:24,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:25,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:25,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-28 22:47:25,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-28 22:47:25,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-28 22:47:25,206 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2022-01-28 22:47:25,388 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 22:47:25,388 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-28 22:47:25,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 22:47:25,388 INFO L85 PathProgramCache]: Analyzing trace with hash -389824699, now seen corresponding path program 2 times [2022-01-28 22:47:25,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 22:47:25,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122455587] [2022-01-28 22:47:25,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 22:47:25,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 22:47:25,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 22:47:25,706 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 22:47:25,707 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 22:47:25,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122455587] [2022-01-28 22:47:25,707 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122455587] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 22:47:25,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1292202132] [2022-01-28 22:47:25,707 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-28 22:47:25,707 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 22:47:25,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 22:47:25,735 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-28 22:47:25,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-01-28 22:47:25,885 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-28 22:47:25,886 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 22:47:25,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 32 conjunts are in the unsatisfiable core [2022-01-28 22:47:25,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 22:47:25,909 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 [2022-01-28 22:47:25,934 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-28 22:47:25,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-01-28 22:47:26,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-01-28 22:47:26,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-01-28 22:47:26,582 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2022-01-28 22:47:26,582 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 27 treesize of output 26 [2022-01-28 22:47:26,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2022-01-28 22:47:26,624 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 9 proven. 519 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 22:47:26,624 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-28 22:47:26,750 WARN L838 $PredicateComparison]: unable to prove that (and (<= (+ |c_thrThread1of2ForFork0_~c~0#1| 1) c_~next~0) (forall ((v_ArrVal_1803 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1803) c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2022-01-28 22:47:26,786 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-28 22:47:26,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 27 [2022-01-28 22:47:26,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 26 [2022-01-28 22:47:26,793 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 9 treesize of output 3 [2022-01-28 22:47:27,238 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 4 proven. 513 refuted. 0 times theorem prover too weak. 0 trivial. 11 not checked. [2022-01-28 22:47:27,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1292202132] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-28 22:47:27,238 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-28 22:47:27,239 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 24, 24] total 35 [2022-01-28 22:47:27,239 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982781355] [2022-01-28 22:47:27,239 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-28 22:47:27,239 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-01-28 22:47:27,239 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 22:47:27,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-01-28 22:47:27,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=958, Unknown=1, NotChecked=64, Total=1190 [2022-01-28 22:47:27,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:27,240 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 22:47:27,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 8.0) internal successors, (280), 35 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 22:47:27,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:27,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-28 22:47:27,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-01-28 22:47:27,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-01-28 22:47:27,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:28,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:28,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-28 22:47:28,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-28 22:47:28,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-28 22:47:28,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-01-28 22:47:28,310 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-01-28 22:47:28,485 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 22:47:28,485 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-28 22:47:28,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 22:47:28,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1111430144, now seen corresponding path program 3 times [2022-01-28 22:47:28,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 22:47:28,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497457189] [2022-01-28 22:47:28,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 22:47:28,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 22:47:28,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 22:47:28,689 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 778 proven. 137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 22:47:28,689 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 22:47:28,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497457189] [2022-01-28 22:47:28,689 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497457189] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 22:47:28,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [809180336] [2022-01-28 22:47:28,689 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-28 22:47:28,690 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 22:47:28,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 22:47:28,691 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-28 22:47:28,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-01-28 22:47:28,843 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-01-28 22:47:28,843 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 22:47:28,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 22 conjunts are in the unsatisfiable core [2022-01-28 22:47:28,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 22:47:28,867 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 [2022-01-28 22:47:28,894 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-01-28 22:47:28,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-01-28 22:47:29,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-01-28 22:47:29,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-01-28 22:47:29,734 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2022-01-28 22:47:29,735 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 27 treesize of output 26 [2022-01-28 22:47:29,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2022-01-28 22:47:29,803 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 9 proven. 102 refuted. 0 times theorem prover too weak. 804 trivial. 0 not checked. [2022-01-28 22:47:29,803 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-28 22:47:31,884 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thrThread2of2ForFork0_~c~0#1_121| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_121| c_~next~0) (forall ((v_ArrVal_1939 Int)) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_121| 4) c_~data~0.offset) v_ArrVal_1939) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)))) is different from false [2022-01-28 22:47:32,007 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1939 Int) (|v_thrThread2of2ForFork0_~c~0#1_121| Int) (v_ArrVal_1937 (Array Int Int))) (or (< |v_thrThread2of2ForFork0_~c~0#1_121| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1937) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_121| 4) c_~data~0.offset) v_ArrVal_1939) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) is different from false [2022-01-28 22:47:32,069 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-28 22:47:32,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 34 [2022-01-28 22:47:32,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 52 [2022-01-28 22:47:32,076 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 42 treesize of output 36 [2022-01-28 22:47:32,081 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 54 treesize of output 42 [2022-01-28 22:47:32,643 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 4 proven. 96 refuted. 0 times theorem prover too weak. 804 trivial. 11 not checked. [2022-01-28 22:47:32,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [809180336] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-28 22:47:32,643 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-28 22:47:32,643 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 14, 14] total 33 [2022-01-28 22:47:32,643 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052099096] [2022-01-28 22:47:32,643 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-28 22:47:32,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-01-28 22:47:32,645 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 22:47:32,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-01-28 22:47:32,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=795, Unknown=2, NotChecked=118, Total=1056 [2022-01-28 22:47:32,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:32,646 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 22:47:32,646 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 10.969696969696969) internal successors, (362), 33 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 22:47:32,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:32,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-28 22:47:32,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-01-28 22:47:32,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-01-28 22:47:32,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2022-01-28 22:47:32,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:33,259 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (= (select |c_#valid| |c_ULTIMATE.start_main_~#t~0#1.base|) 1) (<= |c_thrThread1of2ForFork0_~end~0#1| 10) (forall ((v_ArrVal_1939 Int) (|v_thrThread2of2ForFork0_~c~0#1_121| Int) (v_ArrVal_1937 (Array Int Int))) (or (< |v_thrThread2of2ForFork0_~c~0#1_121| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1937) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_121| 4) c_~data~0.offset) v_ArrVal_1939) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (= |c_thrThread1of2ForFork0_~c~0#1| 0) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0)) is different from false [2022-01-28 22:47:33,736 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (forall ((v_ArrVal_1939 Int) (|v_thrThread2of2ForFork0_~c~0#1_121| Int) (v_ArrVal_1937 (Array Int Int))) (or (< |v_thrThread2of2ForFork0_~c~0#1_121| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1937) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_121| 4) c_~data~0.offset) v_ArrVal_1939) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0)) is different from false [2022-01-28 22:47:34,246 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (forall ((v_ArrVal_1939 Int) (|v_thrThread2of2ForFork0_~c~0#1_121| Int) (v_ArrVal_1937 (Array Int Int))) (or (< |v_thrThread2of2ForFork0_~c~0#1_121| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1937) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_121| 4) c_~data~0.offset) v_ArrVal_1939) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0) (<= |c_thrThread1of2ForFork0_~end~0#1| (+ 9 |c_thrThread1of2ForFork0_~c~0#1|))) is different from false [2022-01-28 22:47:34,789 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (forall ((v_ArrVal_1939 Int) (|v_thrThread2of2ForFork0_~c~0#1_121| Int) (v_ArrVal_1937 (Array Int Int))) (or (< |v_thrThread2of2ForFork0_~c~0#1_121| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1937) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_121| 4) c_~data~0.offset) v_ArrVal_1939) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (<= |c_thrThread1of2ForFork0_~end~0#1| (+ 8 |c_thrThread1of2ForFork0_~c~0#1|)) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0)) is different from false [2022-01-28 22:47:35,331 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (forall ((v_ArrVal_1939 Int) (|v_thrThread2of2ForFork0_~c~0#1_121| Int) (v_ArrVal_1937 (Array Int Int))) (or (< |v_thrThread2of2ForFork0_~c~0#1_121| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1937) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_121| 4) c_~data~0.offset) v_ArrVal_1939) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0) (<= |c_thrThread1of2ForFork0_~end~0#1| (+ 7 |c_thrThread1of2ForFork0_~c~0#1|))) is different from false [2022-01-28 22:47:35,941 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (forall ((v_ArrVal_1939 Int) (|v_thrThread2of2ForFork0_~c~0#1_121| Int) (v_ArrVal_1937 (Array Int Int))) (or (< |v_thrThread2of2ForFork0_~c~0#1_121| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1937) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_121| 4) c_~data~0.offset) v_ArrVal_1939) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= |c_thrThread1of2ForFork0_~end~0#1| (+ 6 |c_thrThread1of2ForFork0_~c~0#1|)) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0)) is different from false [2022-01-28 22:47:36,491 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (forall ((v_ArrVal_1939 Int) (|v_thrThread2of2ForFork0_~c~0#1_121| Int) (v_ArrVal_1937 (Array Int Int))) (or (< |v_thrThread2of2ForFork0_~c~0#1_121| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1937) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_121| 4) c_~data~0.offset) v_ArrVal_1939) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= |c_thrThread1of2ForFork0_~end~0#1| (+ 5 |c_thrThread1of2ForFork0_~c~0#1|)) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0)) is different from false [2022-01-28 22:47:37,032 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= |c_thrThread1of2ForFork0_~end~0#1| (+ |c_thrThread1of2ForFork0_~c~0#1| 4)) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (forall ((v_ArrVal_1939 Int) (|v_thrThread2of2ForFork0_~c~0#1_121| Int) (v_ArrVal_1937 (Array Int Int))) (or (< |v_thrThread2of2ForFork0_~c~0#1_121| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1937) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_121| 4) c_~data~0.offset) v_ArrVal_1939) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0)) is different from false [2022-01-28 22:47:37,585 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= |c_thrThread1of2ForFork0_~end~0#1| (+ 3 |c_thrThread1of2ForFork0_~c~0#1|)) (forall ((v_ArrVal_1939 Int) (|v_thrThread2of2ForFork0_~c~0#1_121| Int) (v_ArrVal_1937 (Array Int Int))) (or (< |v_thrThread2of2ForFork0_~c~0#1_121| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1937) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_121| 4) c_~data~0.offset) v_ArrVal_1939) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0)) is different from false [2022-01-28 22:47:38,151 WARN L838 $PredicateComparison]: unable to prove that (and (<= |c_thrThread1of2ForFork0_~end~0#1| (+ 2 |c_thrThread1of2ForFork0_~c~0#1|)) (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (forall ((v_ArrVal_1939 Int) (|v_thrThread2of2ForFork0_~c~0#1_121| Int) (v_ArrVal_1937 (Array Int Int))) (or (< |v_thrThread2of2ForFork0_~c~0#1_121| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1937) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_121| 4) c_~data~0.offset) v_ArrVal_1939) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0)) is different from false [2022-01-28 22:47:38,713 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (<= |c_thrThread1of2ForFork0_~end~0#1| (+ |c_thrThread1of2ForFork0_~c~0#1| 1)) (forall ((v_ArrVal_1939 Int) (|v_thrThread2of2ForFork0_~c~0#1_121| Int) (v_ArrVal_1937 (Array Int Int))) (or (< |v_thrThread2of2ForFork0_~c~0#1_121| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1937) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_121| 4) c_~data~0.offset) v_ArrVal_1939) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0)) is different from false [2022-01-28 22:47:40,814 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (forall ((|v_thrThread2of2ForFork0_~c~0#1_121| Int)) (or (< |v_thrThread2of2ForFork0_~c~0#1_121| c_~next~0) (forall ((v_ArrVal_1939 Int)) (= (select (store (select |c_#memory_int| c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_121| 4) c_~data~0.offset) v_ArrVal_1939) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1)))) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0)) is different from false [2022-01-28 22:47:40,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:40,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-28 22:47:40,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-28 22:47:40,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-28 22:47:40,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-01-28 22:47:40,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2022-01-28 22:47:41,007 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-01-28 22:47:41,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 22:47:41,190 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-28 22:47:41,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 22:47:41,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1284615935, now seen corresponding path program 1 times [2022-01-28 22:47:41,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 22:47:41,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907264302] [2022-01-28 22:47:41,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 22:47:41,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 22:47:41,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 22:47:41,239 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2022-01-28 22:47:41,240 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 22:47:41,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907264302] [2022-01-28 22:47:41,240 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907264302] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 22:47:41,240 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 22:47:41,240 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-28 22:47:41,240 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301092629] [2022-01-28 22:47:41,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 22:47:41,241 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-28 22:47:41,241 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 22:47:41,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-28 22:47:41,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-28 22:47:41,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:41,242 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 22:47:41,242 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 22:47:41,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:41,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-28 22:47:41,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-01-28 22:47:41,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-01-28 22:47:41,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2022-01-28 22:47:41,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2022-01-28 22:47:41,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:41,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:41,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-28 22:47:41,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-28 22:47:41,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-28 22:47:41,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-01-28 22:47:41,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2022-01-28 22:47:41,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-28 22:47:41,654 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-01-28 22:47:41,654 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-28 22:47:41,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 22:47:41,654 INFO L85 PathProgramCache]: Analyzing trace with hash 95957759, now seen corresponding path program 1 times [2022-01-28 22:47:41,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 22:47:41,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177550175] [2022-01-28 22:47:41,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 22:47:41,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 22:47:41,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 22:47:41,844 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 523 proven. 118 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-01-28 22:47:41,845 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 22:47:41,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177550175] [2022-01-28 22:47:41,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177550175] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 22:47:41,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1957501318] [2022-01-28 22:47:41,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 22:47:41,845 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 22:47:41,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 22:47:41,856 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-28 22:47:41,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-01-28 22:47:42,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 22:47:42,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 13 conjunts are in the unsatisfiable core [2022-01-28 22:47:42,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 22:47:42,370 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 641 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-01-28 22:47:42,370 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-28 22:47:42,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1957501318] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 22:47:42,370 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-28 22:47:42,370 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [15] total 17 [2022-01-28 22:47:42,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032660081] [2022-01-28 22:47:42,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 22:47:42,371 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-01-28 22:47:42,371 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 22:47:42,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-01-28 22:47:42,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2022-01-28 22:47:42,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:42,371 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 22:47:42,372 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 15.714285714285714) internal successors, (220), 14 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 22:47:42,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:42,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-28 22:47:42,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-01-28 22:47:42,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-01-28 22:47:42,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-01-28 22:47:42,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2022-01-28 22:47:42,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-28 22:47:42,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:42,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:42,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-28 22:47:42,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-28 22:47:42,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-28 22:47:42,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-01-28 22:47:42,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2022-01-28 22:47:42,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-28 22:47:42,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:47:42,531 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2022-01-28 22:47:42,721 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2022-01-28 22:47:42,721 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-28 22:47:42,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 22:47:42,722 INFO L85 PathProgramCache]: Analyzing trace with hash -441929258, now seen corresponding path program 2 times [2022-01-28 22:47:42,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 22:47:42,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006358756] [2022-01-28 22:47:42,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 22:47:42,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 22:47:42,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 22:47:42,963 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 0 proven. 524 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-01-28 22:47:42,963 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 22:47:42,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006358756] [2022-01-28 22:47:42,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006358756] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 22:47:42,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [701872433] [2022-01-28 22:47:42,964 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-28 22:47:42,964 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 22:47:42,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 22:47:42,965 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-28 22:47:42,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-01-28 22:47:43,154 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-28 22:47:43,154 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 22:47:43,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 27 conjunts are in the unsatisfiable core [2022-01-28 22:47:43,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 22:47:43,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-01-28 22:47:43,426 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2022-01-28 22:47:43,426 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 27 treesize of output 26 [2022-01-28 22:47:43,486 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2022-01-28 22:47:43,486 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 27 treesize of output 26 [2022-01-28 22:47:43,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2022-01-28 22:47:43,519 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 11 proven. 513 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-01-28 22:47:43,519 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-28 22:47:43,856 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 9 proven. 515 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-01-28 22:47:43,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [701872433] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-28 22:47:43,857 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-28 22:47:43,857 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21, 22] total 29 [2022-01-28 22:47:43,857 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536461925] [2022-01-28 22:47:43,857 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-28 22:47:43,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-01-28 22:47:43,858 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 22:47:43,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-01-28 22:47:43,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=675, Unknown=0, NotChecked=0, Total=812 [2022-01-28 22:47:43,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:43,858 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 22:47:43,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 9.310344827586206) internal successors, (270), 29 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 22:47:43,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:43,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-28 22:47:43,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-01-28 22:47:43,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-01-28 22:47:43,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-01-28 22:47:43,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2022-01-28 22:47:43,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-28 22:47:43,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:47:43,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:46,767 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~#t~0#1.base| c_~data~0.base)) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1|) (forall ((v_ArrVal_1939 Int) (|v_thrThread2of2ForFork0_~c~0#1_121| Int) (v_ArrVal_1937 (Array Int Int))) (or (< |v_thrThread2of2ForFork0_~c~0#1_121| c_~next~0) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1937) c_~data~0.base) (+ (* |v_thrThread2of2ForFork0_~c~0#1_121| 4) c_~data~0.offset) v_ArrVal_1939) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1))) (<= |c_thrThread1of2ForFork0_~end~0#1| c_~next~0) (= (select (select |c_#memory_int| c_~data~0.base) (+ c_~data~0.offset (* |c_thrThread1of2ForFork0_~c~0#1| 4))) 1) (<= 1 |c_thrThread1of2ForFork0___VERIFIER_assert_~cond#1|) (< |c_thrThread1of2ForFork0_~c~0#1| c_~next~0)) is different from false [2022-01-28 22:47:48,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:48,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-28 22:47:48,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-28 22:47:48,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2022-01-28 22:47:48,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2022-01-28 22:47:48,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-01-28 22:47:48,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-28 22:47:48,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:47:48,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2022-01-28 22:47:48,984 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2022-01-28 22:47:49,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-01-28 22:47:49,182 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-28 22:47:49,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 22:47:49,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1838239499, now seen corresponding path program 4 times [2022-01-28 22:47:49,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 22:47:49,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156116619] [2022-01-28 22:47:49,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 22:47:49,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 22:47:49,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 22:47:49,499 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 345 proven. 177 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-01-28 22:47:49,499 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 22:47:49,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156116619] [2022-01-28 22:47:49,500 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156116619] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 22:47:49,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1229535771] [2022-01-28 22:47:49,500 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-01-28 22:47:49,500 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 22:47:49,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 22:47:49,524 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-28 22:47:49,525 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-01-28 22:47:49,694 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-01-28 22:47:49,694 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 22:47:49,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-28 22:47:49,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 22:47:49,889 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2022-01-28 22:47:49,890 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-28 22:47:49,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1229535771] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 22:47:49,890 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-28 22:47:49,890 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [19] total 20 [2022-01-28 22:47:49,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277884187] [2022-01-28 22:47:49,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 22:47:49,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 22:47:49,890 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 22:47:49,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 22:47:49,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2022-01-28 22:47:49,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:49,891 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 22:47:49,891 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 22:47:49,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:49,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-28 22:47:49,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-28 22:47:49,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2022-01-28 22:47:49,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2022-01-28 22:47:49,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-01-28 22:47:49,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-28 22:47:49,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:47:49,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2022-01-28 22:47:49,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:50,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:50,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-28 22:47:50,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-28 22:47:50,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2022-01-28 22:47:50,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2022-01-28 22:47:50,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2022-01-28 22:47:50,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-28 22:47:50,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:47:50,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2022-01-28 22:47:50,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 22:47:50,684 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2022-01-28 22:47:50,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 22:47:50,875 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-28 22:47:50,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 22:47:50,876 INFO L85 PathProgramCache]: Analyzing trace with hash -977844965, now seen corresponding path program 5 times [2022-01-28 22:47:50,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 22:47:50,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063879191] [2022-01-28 22:47:50,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 22:47:50,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 22:47:50,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 22:47:51,149 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 432 proven. 81 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-01-28 22:47:51,149 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 22:47:51,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063879191] [2022-01-28 22:47:51,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063879191] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 22:47:51,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [227376886] [2022-01-28 22:47:51,149 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-01-28 22:47:51,149 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 22:47:51,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 22:47:51,151 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-28 22:47:51,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-01-28 22:47:51,401 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2022-01-28 22:47:51,401 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 22:47:51,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 24 conjunts are in the unsatisfiable core [2022-01-28 22:47:51,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 22:47:51,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-01-28 22:47:51,740 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2022-01-28 22:47:51,740 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 27 treesize of output 26 [2022-01-28 22:47:51,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2022-01-28 22:47:51,770 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 459 proven. 54 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-01-28 22:47:51,771 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-28 22:47:52,178 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 432 proven. 81 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-01-28 22:47:52,179 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [227376886] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-28 22:47:52,179 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-28 22:47:52,179 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20, 20] total 49 [2022-01-28 22:47:52,179 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601779563] [2022-01-28 22:47:52,179 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-28 22:47:52,179 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2022-01-28 22:47:52,179 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 22:47:52,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2022-01-28 22:47:52,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=490, Invalid=1862, Unknown=0, NotChecked=0, Total=2352 [2022-01-28 22:47:52,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:52,180 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 22:47:52,181 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 9.83673469387755) internal successors, (482), 49 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 22:47:52,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:52,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-28 22:47:52,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-28 22:47:52,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2022-01-28 22:47:52,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2022-01-28 22:47:52,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2022-01-28 22:47:52,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-28 22:47:52,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:47:52,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2022-01-28 22:47:52,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 22:47:52,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:53,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:47:53,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-28 22:47:53,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-28 22:47:53,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2022-01-28 22:47:53,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2022-01-28 22:47:53,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2022-01-28 22:47:53,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-28 22:47:53,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:47:53,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2022-01-28 22:47:53,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 22:47:53,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2022-01-28 22:47:53,684 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2022-01-28 22:47:53,884 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 22:47:53,884 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-28 22:47:53,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 22:47:53,885 INFO L85 PathProgramCache]: Analyzing trace with hash -201255048, now seen corresponding path program 3 times [2022-01-28 22:47:53,885 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 22:47:53,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531258551] [2022-01-28 22:47:53,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 22:47:53,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 22:47:53,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 22:47:54,083 INFO L134 CoverageAnalysis]: Checked inductivity of 1210 backedges. 615 proven. 121 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2022-01-28 22:47:54,083 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 22:47:54,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531258551] [2022-01-28 22:47:54,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531258551] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 22:47:54,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1596604887] [2022-01-28 22:47:54,084 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-28 22:47:54,084 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 22:47:54,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 22:47:54,085 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-28 22:47:54,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2022-01-28 22:48:02,864 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2022-01-28 22:48:02,865 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 22:48:02,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 676 conjuncts, 14 conjunts are in the unsatisfiable core [2022-01-28 22:48:02,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 22:48:03,262 INFO L134 CoverageAnalysis]: Checked inductivity of 1210 backedges. 736 proven. 0 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2022-01-28 22:48:03,262 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-28 22:48:03,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1596604887] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 22:48:03,263 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-28 22:48:03,263 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [16] total 18 [2022-01-28 22:48:03,263 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089150738] [2022-01-28 22:48:03,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 22:48:03,263 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-01-28 22:48:03,264 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 22:48:03,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-01-28 22:48:03,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=204, Unknown=0, NotChecked=0, Total=306 [2022-01-28 22:48:03,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:48:03,264 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 22:48:03,264 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 15.0) internal successors, (225), 15 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) [2022-01-28 22:48:03,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:48:03,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-01-28 22:48:03,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-01-28 22:48:03,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2022-01-28 22:48:03,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2022-01-28 22:48:03,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2022-01-28 22:48:03,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-28 22:48:03,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:48:03,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2022-01-28 22:48:03,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 22:48:03,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2022-01-28 22:48:03,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:48:04,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:48:04,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-28 22:48:04,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-28 22:48:04,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2022-01-28 22:48:04,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2022-01-28 22:48:04,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2022-01-28 22:48:04,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-28 22:48:04,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:48:04,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2022-01-28 22:48:04,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 22:48:04,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-01-28 22:48:04,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-28 22:48:04,163 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2022-01-28 22:48:04,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 22:48:04,341 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-28 22:48:04,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 22:48:04,341 INFO L85 PathProgramCache]: Analyzing trace with hash 2118196124, now seen corresponding path program 4 times [2022-01-28 22:48:04,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 22:48:04,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018836493] [2022-01-28 22:48:04,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 22:48:04,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 22:48:04,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 22:48:05,073 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 273 proven. 492 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-01-28 22:48:05,074 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 22:48:05,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018836493] [2022-01-28 22:48:05,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018836493] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 22:48:05,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1957872245] [2022-01-28 22:48:05,074 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-01-28 22:48:05,074 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 22:48:05,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 22:48:05,076 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-28 22:48:05,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2022-01-28 22:48:05,283 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-01-28 22:48:05,284 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-28 22:48:05,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 79 conjunts are in the unsatisfiable core [2022-01-28 22:48:05,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 22:48:05,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-01-28 22:48:05,675 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2022-01-28 22:48:05,675 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 27 treesize of output 26 [2022-01-28 22:48:05,684 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2022-01-28 22:48:05,685 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 27 treesize of output 26 [2022-01-28 22:48:05,782 INFO L354 Elim1Store]: treesize reduction 80, result has 27.9 percent of original size [2022-01-28 22:48:05,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 48 [2022-01-28 22:48:05,830 INFO L354 Elim1Store]: treesize reduction 80, result has 27.9 percent of original size [2022-01-28 22:48:05,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 56 [2022-01-28 22:48:06,056 INFO L354 Elim1Store]: treesize reduction 140, result has 26.3 percent of original size [2022-01-28 22:48:06,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 70 [2022-01-28 22:48:06,248 INFO L354 Elim1Store]: treesize reduction 128, result has 32.6 percent of original size [2022-01-28 22:48:06,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 65 treesize of output 98 [2022-01-28 22:48:08,246 INFO L354 Elim1Store]: treesize reduction 128, result has 32.6 percent of original size [2022-01-28 22:48:08,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 94 treesize of output 119 [2022-01-28 22:48:09,061 INFO L354 Elim1Store]: treesize reduction 128, result has 32.6 percent of original size [2022-01-28 22:48:09,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 94 treesize of output 119 [2022-01-28 22:48:13,538 INFO L354 Elim1Store]: treesize reduction 180, result has 36.8 percent of original size [2022-01-28 22:48:13,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 129 treesize of output 173 [2022-01-28 22:48:15,185 INFO L354 Elim1Store]: treesize reduction 180, result has 36.8 percent of original size [2022-01-28 22:48:15,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 159 treesize of output 211 [2022-01-28 22:48:49,735 INFO L354 Elim1Store]: treesize reduction 180, result has 36.8 percent of original size [2022-01-28 22:48:49,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 278 treesize of output 298 [2022-01-28 22:49:32,072 INFO L354 Elim1Store]: treesize reduction 180, result has 36.8 percent of original size [2022-01-28 22:49:32,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 278 treesize of output 298 [2022-01-28 22:50:38,106 INFO L354 Elim1Store]: treesize reduction 180, result has 36.8 percent of original size [2022-01-28 22:50:38,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 278 treesize of output 298 [2022-01-28 22:50:59,087 INFO L354 Elim1Store]: treesize reduction 180, result has 36.8 percent of original size [2022-01-28 22:50:59,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 278 treesize of output 298 [2022-01-28 22:52:28,535 INFO L354 Elim1Store]: treesize reduction 308, result has 41.1 percent of original size [2022-01-28 22:52:28,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 353 treesize of output 443 Received shutdown request... [2022-01-28 23:00:00,399 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-01-28 23:00:00,409 WARN L243 SmtUtils]: Removed 2 from assertion stack [2022-01-28 23:00:00,410 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (16)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-01-28 23:00:00,410 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-01-28 23:00:00,410 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-01-28 23:00:00,410 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 [2022-01-28 23:00:00,410 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-28 23:00:00,428 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2022-01-28 23:00:00,628 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2022-01-28 23:00:00,629 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 287 with TraceHistMax 10,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 9ms.. [2022-01-28 23:00:00,630 INFO L732 BasicCegarLoop]: Path program histogram: [5, 4, 1, 1, 1, 1] [2022-01-28 23:00:00,630 INFO L308 ceAbstractionStarter]: Result for error location thrThread1of2ForFork0 was TIMEOUT (2/3) [2022-01-28 23:00:00,632 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-01-28 23:00:00,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 23:00:00,633 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-01-28 23:00:00,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (27)] Waiting until timeout for monitored process [2022-01-28 23:00:00,635 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (27)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-01-28 23:00:00,639 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-01-28 23:00:00,641 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 [2022-01-28 23:00:00,641 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-28 23:00:00,641 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was constructing initial abstraction,while executing PartialOrderCegarLoop. [2022-01-28 23:00:00,641 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 1 remaining) [2022-01-28 23:00:00,643 INFO L732 BasicCegarLoop]: Path program histogram: [] [2022-01-28 23:00:00,643 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was TIMEOUT (3/3) [2022-01-28 23:00:00,643 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 2 thread instances [2022-01-28 23:00:00,643 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-28 23:00:00,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.01 11:00:00 BasicIcfg [2022-01-28 23:00:00,647 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-28 23:00:00,647 INFO L158 Benchmark]: Toolchain (without parser) took 863270.39ms. Allocated memory was 225.4MB in the beginning and 1.0GB in the end (delta: 808.5MB). Free memory was 168.9MB in the beginning and 336.8MB in the end (delta: -167.9MB). Peak memory consumption was 641.8MB. Max. memory is 8.0GB. [2022-01-28 23:00:00,648 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 225.4MB. Free memory was 187.1MB in the beginning and 187.0MB in the end (delta: 156.7kB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-28 23:00:00,648 INFO L158 Benchmark]: CACSL2BoogieTranslator took 399.58ms. Allocated memory was 225.4MB in the beginning and 270.5MB in the end (delta: 45.1MB). Free memory was 168.8MB in the beginning and 225.6MB in the end (delta: -56.8MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-01-28 23:00:00,648 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.47ms. Allocated memory is still 270.5MB. Free memory was 225.6MB in the beginning and 222.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-28 23:00:00,648 INFO L158 Benchmark]: Boogie Preprocessor took 19.07ms. Allocated memory is still 270.5MB. Free memory was 222.9MB in the beginning and 221.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-28 23:00:00,648 INFO L158 Benchmark]: RCFGBuilder took 303.91ms. Allocated memory is still 270.5MB. Free memory was 221.4MB in the beginning and 206.2MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-01-28 23:00:00,648 INFO L158 Benchmark]: TraceAbstraction took 862491.37ms. Allocated memory was 270.5MB in the beginning and 1.0GB in the end (delta: 763.4MB). Free memory was 205.6MB in the beginning and 336.8MB in the end (delta: -131.2MB). Peak memory consumption was 633.2MB. Max. memory is 8.0GB. [2022-01-28 23:00:00,651 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 225.4MB. Free memory was 187.1MB in the beginning and 187.0MB in the end (delta: 156.7kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 399.58ms. Allocated memory was 225.4MB in the beginning and 270.5MB in the end (delta: 45.1MB). Free memory was 168.8MB in the beginning and 225.6MB in the end (delta: -56.8MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 39.47ms. Allocated memory is still 270.5MB. Free memory was 225.6MB in the beginning and 222.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 19.07ms. Allocated memory is still 270.5MB. Free memory was 222.9MB in the beginning and 221.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 303.91ms. Allocated memory is still 270.5MB. Free memory was 221.4MB in the beginning and 206.2MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 862491.37ms. Allocated memory was 270.5MB in the beginning and 1.0GB in the end (delta: 763.4MB). Free memory was 205.6MB in the beginning and 336.8MB in the end (delta: -131.2MB). Peak memory consumption was 633.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 315, positive: 311, positive conditional: 16, positive unconditional: 295, negative: 4, negative conditional: 2, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 313, positive: 311, positive conditional: 16, positive unconditional: 295, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 313, positive: 311, positive conditional: 16, positive unconditional: 295, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 313, positive: 311, positive conditional: 0, positive unconditional: 311, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 313, positive: 311, positive conditional: 0, positive unconditional: 311, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 313, positive: 311, positive conditional: 0, positive unconditional: 311, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 288, positive: 286, positive conditional: 0, positive unconditional: 286, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 288, positive: 286, positive conditional: 0, positive unconditional: 286, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 36, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 313, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 288, unknown conditional: 0, unknown unconditional: 288] , Statistics on independence cache: Total cache size (in pairs): 288, Positive cache size: 286, Positive conditional cache size: 0, Positive unconditional cache size: 286, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 2 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 47, Number of trivial persistent sets: 42, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 297, positive: 295, positive conditional: 0, positive unconditional: 295, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 315, positive: 311, positive conditional: 16, positive unconditional: 295, negative: 4, negative conditional: 2, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 313, positive: 311, positive conditional: 16, positive unconditional: 295, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 313, positive: 311, positive conditional: 16, positive unconditional: 295, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 313, positive: 311, positive conditional: 0, positive unconditional: 311, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 313, positive: 311, positive conditional: 0, positive unconditional: 311, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 313, positive: 311, positive conditional: 0, positive unconditional: 311, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 288, positive: 286, positive conditional: 0, positive unconditional: 286, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 288, positive: 286, positive conditional: 0, positive unconditional: 286, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 36, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 313, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 288, unknown conditional: 0, unknown unconditional: 288] , Statistics on independence cache: Total cache size (in pairs): 288, Positive cache size: 286, Positive conditional cache size: 0, Positive unconditional cache size: 286, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 2 - 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 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 225729, positive: 202850, positive conditional: 196984, positive unconditional: 5866, negative: 22879, negative conditional: 22813, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 203289, positive: 202850, positive conditional: 196984, positive unconditional: 5866, negative: 439, negative conditional: 373, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 203289, positive: 202850, positive conditional: 196984, positive unconditional: 5866, negative: 439, negative conditional: 373, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 208049, positive: 202850, positive conditional: 196815, positive unconditional: 6035, negative: 5199, negative conditional: 4760, negative unconditional: 439, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 208049, positive: 202850, positive conditional: 118524, positive unconditional: 84326, negative: 5199, negative conditional: 3406, negative unconditional: 1793, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 208049, positive: 202850, positive conditional: 118524, positive unconditional: 84326, negative: 5199, negative conditional: 3406, negative unconditional: 1793, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5433, positive: 4978, positive conditional: 666, positive unconditional: 4312, negative: 455, negative conditional: 389, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5433, positive: 4454, positive conditional: 0, positive unconditional: 4454, negative: 979, negative conditional: 0, negative unconditional: 979, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 979, positive: 524, positive conditional: 508, positive unconditional: 16, negative: 437, negative conditional: 371, negative unconditional: 66, unknown: 18, unknown conditional: 18, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1180, positive: 579, positive conditional: 561, positive unconditional: 18, negative: 549, negative conditional: 415, negative unconditional: 134, unknown: 52, unknown conditional: 52, unknown unconditional: 0] ], Cache Queries: [ total: 208049, positive: 197872, positive conditional: 117858, positive unconditional: 80014, negative: 4744, negative conditional: 3017, negative unconditional: 1727, unknown: 5433, unknown conditional: 1055, unknown unconditional: 4378] , Statistics on independence cache: Total cache size (in pairs): 5433, Positive cache size: 4978, Positive conditional cache size: 666, Positive unconditional cache size: 4312, Negative cache size: 455, Negative conditional cache size: 389, Negative unconditional cache size: 66, Eliminated conditions: 79645, Maximal queried relation: 13, Independence queries for same thread: 22440 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 2469, Number of trivial persistent sets: 1262, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5932, positive: 5866, positive conditional: 0, positive unconditional: 5866, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 225729, positive: 202850, positive conditional: 196984, positive unconditional: 5866, negative: 22879, negative conditional: 22813, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 203289, positive: 202850, positive conditional: 196984, positive unconditional: 5866, negative: 439, negative conditional: 373, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 203289, positive: 202850, positive conditional: 196984, positive unconditional: 5866, negative: 439, negative conditional: 373, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 208049, positive: 202850, positive conditional: 196815, positive unconditional: 6035, negative: 5199, negative conditional: 4760, negative unconditional: 439, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 208049, positive: 202850, positive conditional: 118524, positive unconditional: 84326, negative: 5199, negative conditional: 3406, negative unconditional: 1793, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 208049, positive: 202850, positive conditional: 118524, positive unconditional: 84326, negative: 5199, negative conditional: 3406, negative unconditional: 1793, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5433, positive: 4978, positive conditional: 666, positive unconditional: 4312, negative: 455, negative conditional: 389, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5433, positive: 4454, positive conditional: 0, positive unconditional: 4454, negative: 979, negative conditional: 0, negative unconditional: 979, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 979, positive: 524, positive conditional: 508, positive unconditional: 16, negative: 437, negative conditional: 371, negative unconditional: 66, unknown: 18, unknown conditional: 18, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1180, positive: 579, positive conditional: 561, positive unconditional: 18, negative: 549, negative conditional: 415, negative unconditional: 134, unknown: 52, unknown conditional: 52, unknown unconditional: 0] ], Cache Queries: [ total: 208049, positive: 197872, positive conditional: 117858, positive unconditional: 80014, negative: 4744, negative conditional: 3017, negative unconditional: 1727, unknown: 5433, unknown conditional: 1055, unknown unconditional: 4378] , Statistics on independence cache: Total cache size (in pairs): 5433, Positive cache size: 4978, Positive conditional cache size: 666, Positive unconditional cache size: 4312, Negative cache size: 455, Negative conditional cache size: 389, Negative unconditional cache size: 66, Eliminated conditions: 79645, Maximal queried relation: 13, Independence queries for same thread: 22440 - 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 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 69670, positive: 63335, positive conditional: 58392, positive unconditional: 4943, negative: 6335, negative conditional: 6268, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 63445, positive: 63335, positive conditional: 58392, positive unconditional: 4943, negative: 110, negative conditional: 43, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 63445, positive: 63335, positive conditional: 58392, positive unconditional: 4943, negative: 110, negative conditional: 43, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 64566, positive: 63335, positive conditional: 58265, positive unconditional: 5070, negative: 1231, negative conditional: 1121, negative unconditional: 110, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 64566, positive: 63335, positive conditional: 33955, positive unconditional: 29380, negative: 1231, negative conditional: 691, negative unconditional: 540, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 64566, positive: 63335, positive conditional: 33955, positive unconditional: 29380, negative: 1231, negative conditional: 691, negative unconditional: 540, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4371, positive: 4043, positive conditional: 137, positive unconditional: 3906, negative: 328, negative conditional: 261, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4371, positive: 3894, positive conditional: 0, positive unconditional: 3894, negative: 477, negative conditional: 0, negative unconditional: 477, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 477, positive: 149, positive conditional: 134, positive unconditional: 15, negative: 327, negative conditional: 260, negative unconditional: 67, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 470, positive: 160, positive conditional: 130, positive unconditional: 29, negative: 309, negative conditional: 254, negative unconditional: 54, unknown: 2, unknown conditional: 2, unknown unconditional: 0] ], Cache Queries: [ total: 64566, positive: 59292, positive conditional: 33818, positive unconditional: 25474, negative: 903, negative conditional: 430, negative unconditional: 473, unknown: 4371, unknown conditional: 398, unknown unconditional: 3973] , Statistics on independence cache: Total cache size (in pairs): 4371, Positive cache size: 4043, Positive conditional cache size: 137, Positive unconditional cache size: 3906, Negative cache size: 328, Negative conditional cache size: 261, Negative unconditional cache size: 67, Eliminated conditions: 24740, Maximal queried relation: 8, Independence queries for same thread: 6225 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 1404, Number of trivial persistent sets: 1157, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5010, positive: 4943, positive conditional: 0, positive unconditional: 4943, negative: 67, negative conditional: 0, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 69670, positive: 63335, positive conditional: 58392, positive unconditional: 4943, negative: 6335, negative conditional: 6268, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 63445, positive: 63335, positive conditional: 58392, positive unconditional: 4943, negative: 110, negative conditional: 43, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 63445, positive: 63335, positive conditional: 58392, positive unconditional: 4943, negative: 110, negative conditional: 43, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 64566, positive: 63335, positive conditional: 58265, positive unconditional: 5070, negative: 1231, negative conditional: 1121, negative unconditional: 110, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 64566, positive: 63335, positive conditional: 33955, positive unconditional: 29380, negative: 1231, negative conditional: 691, negative unconditional: 540, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 64566, positive: 63335, positive conditional: 33955, positive unconditional: 29380, negative: 1231, negative conditional: 691, negative unconditional: 540, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4371, positive: 4043, positive conditional: 137, positive unconditional: 3906, negative: 328, negative conditional: 261, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4371, positive: 3894, positive conditional: 0, positive unconditional: 3894, negative: 477, negative conditional: 0, negative unconditional: 477, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 477, positive: 149, positive conditional: 134, positive unconditional: 15, negative: 327, negative conditional: 260, negative unconditional: 67, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 470, positive: 160, positive conditional: 130, positive unconditional: 29, negative: 309, negative conditional: 254, negative unconditional: 54, unknown: 2, unknown conditional: 2, unknown unconditional: 0] ], Cache Queries: [ total: 64566, positive: 59292, positive conditional: 33818, positive unconditional: 25474, negative: 903, negative conditional: 430, negative unconditional: 473, unknown: 4371, unknown conditional: 398, unknown unconditional: 3973] , Statistics on independence cache: Total cache size (in pairs): 4371, Positive cache size: 4043, Positive conditional cache size: 137, Positive unconditional cache size: 3906, Negative cache size: 328, Negative conditional cache size: 261, Negative unconditional cache size: 67, Eliminated conditions: 24740, Maximal queried relation: 8, Independence queries for same thread: 6225 - 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 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 0, Number of trivial persistent sets: 0, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - 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: 998]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 287 with TraceHistMax 10,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 9ms.. - TimeoutResultAtElement [Line: 1047]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was constructing initial abstraction,while executing PartialOrderCegarLoop. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 116 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 2, 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: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 46 ConstructedInterpolants, 0 QuantifiedInterpolants, 46 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 5/5 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 2 thread instances CFG has 4 procedures, 149 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thrThread2of2ForFork0 with 1 thread instances CFG has 4 procedures, 149 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 102.7s, OverallIterations: 18, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 78.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 909, 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: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 18.5s InterpolantComputationTime, 5952 NumberOfCodeBlocks, 5520 NumberOfCodeBlocksAsserted, 48 NumberOfCheckSat, 7710 ConstructedInterpolants, 54 QuantifiedInterpolants, 40012 SizeOfPredicates, 89 NumberOfNonLiveVariables, 4563 ConjunctsInSsa, 222 ConjunctsInUnsatCore, 39 InterpolantComputations, 9 PerfectInterpolantSequences, 9622/16566 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thrThread1of2ForFork0 with 1 thread instances CFG has 4 procedures, 149 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 759.2s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 19.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 564, 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: 0.2s SsaConstructionTime, 9.1s SatisfiabilityAnalysisTime, 10.7s InterpolantComputationTime, 3988 NumberOfCodeBlocks, 3866 NumberOfCodeBlocksAsserted, 45 NumberOfCheckSat, 5029 ConstructedInterpolants, 44 QuantifiedInterpolants, 27438 SizeOfPredicates, 77 NumberOfNonLiveVariables, 3689 ConjunctsInSsa, 181 ConjunctsInUnsatCore, 27 InterpolantComputations, 6 PerfectInterpolantSequences, 8730/13074 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