/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-LoopLockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/gcd-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-ba0fd47f62a02cd5486659f03d300faf678a2e90-ba0fd47 [2021-11-14 07:18:48,970 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-14 07:18:48,972 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-14 07:18:49,012 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-14 07:18:49,013 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-14 07:18:49,015 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-14 07:18:49,018 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-14 07:18:49,023 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-14 07:18:49,025 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-14 07:18:49,029 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-14 07:18:49,029 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-14 07:18:49,030 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-14 07:18:49,030 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-14 07:18:49,032 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-14 07:18:49,033 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-14 07:18:49,038 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-14 07:18:49,039 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-14 07:18:49,040 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-14 07:18:49,041 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-14 07:18:49,046 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-14 07:18:49,047 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-14 07:18:49,048 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-14 07:18:49,049 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-14 07:18:49,050 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-14 07:18:49,055 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-11-14 07:18:49,057 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-14 07:18:49,057 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-14 07:18:49,058 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-14 07:18:49,058 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-14 07:18:49,059 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-14 07:18:49,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-14 07:18:49,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-14 07:18:49,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-14 07:18:49,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-14 07:18:49,061 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-14 07:18:49,061 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-14 07:18:49,063 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-LoopLockstep.epf [2021-11-14 07:18:49,099 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-14 07:18:49,099 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-14 07:18:49,099 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-14 07:18:49,099 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-14 07:18:49,100 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-14 07:18:49,100 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-14 07:18:49,101 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-14 07:18:49,101 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-14 07:18:49,101 INFO L138 SettingsManager]: * Use SBE=true [2021-11-14 07:18:49,101 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-14 07:18:49,102 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-14 07:18:49,102 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-14 07:18:49,102 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-14 07:18:49,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-14 07:18:49,103 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-14 07:18:49,103 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-14 07:18:49,103 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-14 07:18:49,103 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-14 07:18:49,103 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-14 07:18:49,103 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-14 07:18:49,103 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-14 07:18:49,103 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-14 07:18:49,103 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-14 07:18:49,104 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-14 07:18:49,105 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-14 07:18:49,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-14 07:18:49,105 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-14 07:18:49,105 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-14 07:18:49,105 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-14 07:18:49,105 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-14 07:18:49,105 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-11-14 07:18:49,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-14 07:18:49,106 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-14 07:18:49,106 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-14 07:18:49,106 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-14 07:18:49,106 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-14 07:18:49,106 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-14 07:18:49,106 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-11-14 07:18:49,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-14 07:18:49,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-14 07:18:49,316 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-14 07:18:49,317 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-14 07:18:49,320 INFO L275 PluginConnector]: CDTParser initialized [2021-11-14 07:18:49,320 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/gcd-2.i [2021-11-14 07:18:49,385 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/398943e61/fd3d52618f8f40788b060fe9add88b2c/FLAG519e2f442 [2021-11-14 07:18:49,833 INFO L306 CDTParser]: Found 1 translation units. [2021-11-14 07:18:49,833 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/gcd-2.i [2021-11-14 07:18:49,845 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/398943e61/fd3d52618f8f40788b060fe9add88b2c/FLAG519e2f442 [2021-11-14 07:18:50,195 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/398943e61/fd3d52618f8f40788b060fe9add88b2c [2021-11-14 07:18:50,196 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-14 07:18:50,197 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-14 07:18:50,199 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-14 07:18:50,199 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-14 07:18:50,209 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-14 07:18:50,209 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 07:18:50" (1/1) ... [2021-11-14 07:18:50,210 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@792e9f04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:18:50, skipping insertion in model container [2021-11-14 07:18:50,211 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 07:18:50" (1/1) ... [2021-11-14 07:18:50,216 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-14 07:18:50,260 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-14 07:18:50,399 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/gcd-2.i[938,951] [2021-11-14 07:18:50,548 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-14 07:18:50,557 INFO L203 MainTranslator]: Completed pre-run [2021-11-14 07:18:50,567 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/gcd-2.i[938,951] [2021-11-14 07:18:50,606 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-14 07:18:50,637 INFO L208 MainTranslator]: Completed translation [2021-11-14 07:18:50,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:18:50 WrapperNode [2021-11-14 07:18:50,637 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-14 07:18:50,638 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-14 07:18:50,638 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-14 07:18:50,638 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-14 07:18:50,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:18:50" (1/1) ... [2021-11-14 07:18:50,662 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:18:50" (1/1) ... [2021-11-14 07:18:50,684 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-14 07:18:50,685 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-14 07:18:50,685 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-14 07:18:50,685 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-14 07:18:50,691 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:18:50" (1/1) ... [2021-11-14 07:18:50,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:18:50" (1/1) ... [2021-11-14 07:18:50,694 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:18:50" (1/1) ... [2021-11-14 07:18:50,694 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:18:50" (1/1) ... [2021-11-14 07:18:50,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:18:50" (1/1) ... [2021-11-14 07:18:50,704 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:18:50" (1/1) ... [2021-11-14 07:18:50,705 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:18:50" (1/1) ... [2021-11-14 07:18:50,707 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-14 07:18:50,708 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-14 07:18:50,708 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-14 07:18:50,708 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-14 07:18:50,709 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:18:50" (1/1) ... [2021-11-14 07:18:50,718 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-14 07:18:50,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 07:18:50,736 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-14 07:18:50,737 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-14 07:18:50,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-14 07:18:50,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-14 07:18:50,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-14 07:18:50,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-14 07:18:50,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-14 07:18:50,776 INFO L130 BoogieDeclarations]: Found specification of procedure dec_a [2021-11-14 07:18:50,776 INFO L138 BoogieDeclarations]: Found implementation of procedure dec_a [2021-11-14 07:18:50,776 INFO L130 BoogieDeclarations]: Found specification of procedure dec_b [2021-11-14 07:18:50,777 INFO L138 BoogieDeclarations]: Found implementation of procedure dec_b [2021-11-14 07:18:50,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-14 07:18:50,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-14 07:18:50,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-14 07:18:50,778 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-14 07:18:51,197 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-14 07:18:51,198 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-14 07:18:51,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 07:18:51 BoogieIcfgContainer [2021-11-14 07:18:51,200 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-14 07:18:51,201 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-14 07:18:51,201 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-14 07:18:51,204 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-14 07:18:51,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 07:18:50" (1/3) ... [2021-11-14 07:18:51,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7374640 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 07:18:51, skipping insertion in model container [2021-11-14 07:18:51,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:18:50" (2/3) ... [2021-11-14 07:18:51,205 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7374640 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 07:18:51, skipping insertion in model container [2021-11-14 07:18:51,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 07:18:51" (3/3) ... [2021-11-14 07:18:51,206 INFO L111 eAbstractionObserver]: Analyzing ICFG gcd-2.i [2021-11-14 07:18:51,210 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-14 07:18:51,210 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-14 07:18:51,210 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-14 07:18:51,210 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-14 07:18:51,243 WARN L322 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:18:51,243 WARN L322 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:18:51,243 WARN L322 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:18:51,244 WARN L322 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:18:51,244 WARN L322 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:18:51,244 WARN L322 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:18:51,244 WARN L322 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:18:51,245 WARN L322 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:18:51,246 WARN L322 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:18:51,246 WARN L322 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:18:51,246 WARN L322 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:18:51,246 WARN L322 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:18:51,247 WARN L322 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:18:51,247 WARN L322 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:18:51,247 WARN L322 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:18:51,247 WARN L322 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:18:51,247 WARN L322 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:18:51,247 WARN L322 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:18:51,247 WARN L322 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:18:51,247 WARN L322 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:18:51,248 WARN L322 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:18:51,248 WARN L322 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:18:51,248 WARN L322 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:18:51,248 WARN L322 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:18:51,250 WARN L322 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:18:51,251 WARN L322 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:18:51,251 WARN L322 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:18:51,251 WARN L322 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:18:51,252 WARN L322 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:18:51,252 WARN L322 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:18:51,252 WARN L322 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:18:51,252 WARN L322 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 07:18:51,254 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-11-14 07:18:51,306 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-14 07:18:51,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 07:18:51,308 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-14 07:18:51,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-14 07:18:51,337 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-14 07:18:51,342 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-14 07:18:51,342 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-11-14 07:18:51,483 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-14 07:18:51,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 07:18:51,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1909491799, now seen corresponding path program 1 times [2021-11-14 07:18:51,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 07:18:51,495 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956153855] [2021-11-14 07:18:51,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 07:18:51,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 07:18:51,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 07:18:51,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 07:18:51,714 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 07:18:51,714 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956153855] [2021-11-14 07:18:51,715 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956153855] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 07:18:51,715 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 07:18:51,715 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-14 07:18:51,717 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623765327] [2021-11-14 07:18:51,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 07:18:51,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-14 07:18:51,722 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 07:18:51,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-14 07:18:51,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-14 07:18:51,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:18:51,745 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 07:18:51,746 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 55.0) internal successors, (110), 2 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 07:18:51,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:18:51,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:18:51,800 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-14 07:18:51,800 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-14 07:18:51,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 07:18:51,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1645626247, now seen corresponding path program 1 times [2021-11-14 07:18:51,803 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 07:18:51,803 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922806733] [2021-11-14 07:18:51,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 07:18:51,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 07:18:51,857 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-14 07:18:51,858 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [55941845] [2021-11-14 07:18:51,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 07:18:51,858 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 07:18:51,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 07:18:51,861 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 07:18:51,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-14 07:18:52,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 07:18:52,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-14 07:18:52,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 07:18:52,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 07:18:52,976 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-14 07:18:52,977 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 07:18:52,977 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922806733] [2021-11-14 07:18:52,978 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-14 07:18:52,978 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [55941845] [2021-11-14 07:18:52,978 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [55941845] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 07:18:52,978 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 07:18:52,978 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-11-14 07:18:52,979 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877943682] [2021-11-14 07:18:52,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 07:18:52,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-14 07:18:52,980 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 07:18:52,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-14 07:18:52,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2021-11-14 07:18:52,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:18:52,982 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 07:18:52,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 7.0) internal successors, (105), 15 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 07:18:52,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:18:52,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:18:53,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:18:53,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-14 07:18:53,641 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-14 07:18:53,825 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-11-14 07:18:53,825 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-14 07:18:53,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 07:18:53,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1684874673, now seen corresponding path program 1 times [2021-11-14 07:18:53,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 07:18:53,826 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083297610] [2021-11-14 07:18:53,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 07:18:53,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 07:18:53,866 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-14 07:18:53,866 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1542221551] [2021-11-14 07:18:53,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 07:18:53,867 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 07:18:53,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 07:18:53,868 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 07:18:53,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-14 07:18:53,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 07:18:53,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-14 07:18:53,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 07:18:54,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 07:18:54,520 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-14 07:18:54,520 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 07:18:54,520 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083297610] [2021-11-14 07:18:54,520 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-14 07:18:54,520 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1542221551] [2021-11-14 07:18:54,521 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1542221551] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 07:18:54,521 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 07:18:54,521 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-11-14 07:18:54,521 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411171772] [2021-11-14 07:18:54,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 07:18:54,522 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-14 07:18:54,522 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 07:18:54,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-14 07:18:54,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2021-11-14 07:18:54,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:18:54,523 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 07:18:54,524 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 6.9375) internal successors, (111), 16 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 07:18:54,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:18:54,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-14 07:18:54,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:18:55,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:18:55,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-14 07:18:55,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-14 07:18:55,608 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-14 07:18:55,784 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 07:18:55,784 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-14 07:18:55,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 07:18:55,785 INFO L85 PathProgramCache]: Analyzing trace with hash 541324684, now seen corresponding path program 1 times [2021-11-14 07:18:55,785 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 07:18:55,785 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945622925] [2021-11-14 07:18:55,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 07:18:55,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 07:18:55,804 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-14 07:18:55,804 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [720362409] [2021-11-14 07:18:55,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 07:18:55,805 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 07:18:55,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 07:18:55,813 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 07:18:55,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-14 07:18:55,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 07:18:55,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-14 07:18:55,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 07:18:57,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 07:18:57,122 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-14 07:18:57,122 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 07:18:57,122 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945622925] [2021-11-14 07:18:57,122 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-14 07:18:57,122 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [720362409] [2021-11-14 07:18:57,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [720362409] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 07:18:57,122 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 07:18:57,123 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-11-14 07:18:57,123 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168854297] [2021-11-14 07:18:57,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 07:18:57,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-14 07:18:57,124 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 07:18:57,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-14 07:18:57,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=412, Unknown=0, NotChecked=0, Total=462 [2021-11-14 07:18:57,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:18:57,124 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 07:18:57,125 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 5.318181818181818) internal successors, (117), 22 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 07:18:57,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:18:57,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-14 07:18:57,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-14 07:18:57,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:18:59,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:18:59,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-14 07:18:59,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-14 07:18:59,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-14 07:18:59,071 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-14 07:18:59,249 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 07:18:59,249 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-14 07:18:59,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 07:18:59,250 INFO L85 PathProgramCache]: Analyzing trace with hash -1764296965, now seen corresponding path program 1 times [2021-11-14 07:18:59,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 07:18:59,250 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784303600] [2021-11-14 07:18:59,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 07:18:59,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 07:18:59,266 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-14 07:18:59,266 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [69051291] [2021-11-14 07:18:59,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 07:18:59,267 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 07:18:59,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 07:18:59,270 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 07:18:59,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-14 07:19:00,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 07:19:00,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 55 conjunts are in the unsatisfiable core [2021-11-14 07:19:00,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 07:22:31,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 07:22:31,375 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 07:26:08,081 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 07:26:08,081 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 07:26:08,081 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784303600] [2021-11-14 07:26:08,081 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-14 07:26:08,081 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [69051291] [2021-11-14 07:26:08,082 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [69051291] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 07:26:08,082 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-14 07:26:08,082 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 27] total 53 [2021-11-14 07:26:08,082 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885225975] [2021-11-14 07:26:08,082 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-14 07:26:08,083 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2021-11-14 07:26:08,083 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 07:26:08,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-11-14 07:26:08,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=272, Invalid=2447, Unknown=37, NotChecked=0, Total=2756 [2021-11-14 07:26:08,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:26:08,085 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 07:26:08,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 3.490566037735849) internal successors, (185), 53 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 07:26:08,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:26:08,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-14 07:26:08,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-11-14 07:26:08,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-11-14 07:26:08,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:26:30,168 WARN L227 SmtUtils]: Spent 5.36s on a formula simplification. DAG size of input: 53 DAG size of output: 44 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-14 07:26:45,855 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse2 (mod |c_ULTIMATE.start_main_~b_in~0#1| 4294967296))) (let ((.cse0 (<= .cse2 0)) (.cse6 (* c_~a~0 4294967295)) (.cse3 (mod c_~a~0 4294967296)) (.cse1 (< 0 .cse2)) (.cse4 (mod c_~b~0 4294967296)) (.cse5 (mod |c_ULTIMATE.start_main_~a_in~0#1| 4294967296)) (.cse8 (forall ((|aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60| Int)) (let ((.cse10 (mod |aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60| 4294967296))) (or (<= |aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60| 1) (<= 4294967296 |aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60|) (not (= (mod (mod (mod |c_ULTIMATE.start_main_~a_in~0#1| 4294967296) .cse10) 4294967296) 0)) (not (= (mod (mod (mod |c_ULTIMATE.start_main_~b_in~0#1| 4294967296) .cse10) 4294967296) 0))))))) (and (or (and .cse0 (= |c_ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)) (and (= |c_ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) .cse1)) (= |c_ULTIMATE.start_main_~b_in~0#1| |c_ULTIMATE.start_start_#in~b_in#1|) (= .cse2 .cse3) (not (= .cse4 .cse5)) (< .cse2 .cse5) (let ((.cse7 (mod |c_ULTIMATE.start_start_~b_in#1| 4294967296))) (or (not (= (mod (+ .cse6 |c_ULTIMATE.start_start_~b_in#1| .cse7) (- 4294967296)) 0)) .cse8 (= (mod (mod .cse5 .cse7) 4294967296) 0) (<= .cse3 .cse7))) (= |c_ULTIMATE.start_main_~b_in~0#1| |c_ULTIMATE.start_start_~b_in#1|) (or (and .cse0 (= |c_ULTIMATE.start_assume_abort_if_not_~cond#1| 0)) (and (= |c_ULTIMATE.start_assume_abort_if_not_~cond#1| 1) .cse1)) (= (+ |c_ULTIMATE.start_main_~b_in~0#1| c_~a~0) |c_ULTIMATE.start_main_~a_in~0#1|) (or (not (= (mod (+ .cse6 .cse4 c_~b~0) (- 4294967296)) 0)) (<= .cse3 .cse4) .cse8 (= (mod (mod .cse5 .cse4) 4294967296) 0)) (= |c_ULTIMATE.start_start_~a_in#1| |c_ULTIMATE.start_main_~a_in~0#1|) .cse1 (or (and (= (+ c_~b~0 c_~a~0) |c_ULTIMATE.start_main_~a_in~0#1|) (< .cse4 .cse5)) (and (= c_~a~0 |c_ULTIMATE.start_main_~a_in~0#1|) (<= .cse5 .cse4))) (= |c_ULTIMATE.start_main_~b_in~0#1| c_~b~0) (let ((.cse9 (mod |c_ULTIMATE.start_start_#in~b_in#1| 4294967296))) (or (not (= (mod (+ .cse9 (* |c_ULTIMATE.start_start_#in~a_in#1| 4294967295) |c_ULTIMATE.start_start_#in~b_in#1|) (- 4294967296)) 0)) (= (mod (mod .cse5 .cse9) 4294967296) 0) .cse8 (<= (mod |c_ULTIMATE.start_start_#in~a_in#1| 4294967296) .cse9)))))) is different from false [2021-11-14 07:29:43,420 WARN L227 SmtUtils]: Spent 6.44s on a formula simplification. DAG size of input: 74 DAG size of output: 54 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-14 07:30:02,339 WARN L227 SmtUtils]: Spent 5.69s on a formula simplification. DAG size of input: 58 DAG size of output: 52 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-14 07:30:04,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:30:04,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-14 07:30:04,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-14 07:30:04,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-14 07:30:04,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-14 07:30:04,774 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-14 07:30:04,964 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 07:30:04,965 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-14 07:30:04,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 07:30:04,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1039201971, now seen corresponding path program 1 times [2021-11-14 07:30:04,966 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 07:30:04,966 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028904392] [2021-11-14 07:30:04,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 07:30:04,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 07:30:04,979 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-14 07:30:04,979 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1804557780] [2021-11-14 07:30:04,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 07:30:04,984 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 07:30:04,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 07:30:04,985 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 07:30:04,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-14 07:30:05,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 07:30:05,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-14 07:30:05,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 07:30:05,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 07:30:05,966 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 07:30:07,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 07:30:07,403 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 07:30:07,403 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028904392] [2021-11-14 07:30:07,404 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-14 07:30:07,404 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1804557780] [2021-11-14 07:30:07,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1804557780] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 07:30:07,404 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-14 07:30:07,404 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 28 [2021-11-14 07:30:07,404 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204492985] [2021-11-14 07:30:07,404 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-14 07:30:07,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-11-14 07:30:07,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 07:30:07,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-11-14 07:30:07,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=663, Unknown=0, NotChecked=0, Total=756 [2021-11-14 07:30:07,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:30:07,406 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 07:30:07,406 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 7.035714285714286) internal successors, (197), 28 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 07:30:07,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:30:07,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-14 07:30:07,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-11-14 07:30:07,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-11-14 07:30:07,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-14 07:30:07,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:30:09,412 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-14 07:30:11,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:30:11,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-14 07:30:11,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-14 07:30:11,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-14 07:30:11,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-11-14 07:30:11,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-14 07:30:11,937 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-14 07:30:11,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 07:30:11,964 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-14 07:30:11,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 07:30:11,964 INFO L85 PathProgramCache]: Analyzing trace with hash -340558578, now seen corresponding path program 1 times [2021-11-14 07:30:11,964 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 07:30:11,964 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732601097] [2021-11-14 07:30:11,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 07:30:11,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 07:30:11,982 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-14 07:30:11,982 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1030710] [2021-11-14 07:30:11,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 07:30:11,982 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 07:30:11,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 07:30:11,984 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 07:30:11,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-14 07:30:12,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 07:30:12,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-14 07:30:12,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 07:30:46,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 07:30:46,540 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 07:30:54,431 WARN L838 $PredicateComparison]: unable to prove that (forall ((|aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60| Int)) (or (not (= (mod (mod (mod |c_ULTIMATE.start_check_gcd_~b_in#1| 4294967296) (mod |aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60| 4294967296)) 4294967296) 0)) (<= 4294967296 |aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60|) (<= |aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60| (mod |c_ULTIMATE.start_check_gcd_~gcd#1| 4294967296)))) is different from false [2021-11-14 07:30:57,491 WARN L838 $PredicateComparison]: unable to prove that (forall ((|aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60| Int)) (or (not (= (mod (mod (mod |c_ULTIMATE.start_check_gcd_~b_in#1| 4294967296) (mod |aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60| 4294967296)) 4294967296) 0)) (<= 4294967296 |aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60|) (<= |aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60| (mod |c_ULTIMATE.start_check_gcd_#in~gcd#1| 4294967296)))) is different from false [2021-11-14 07:31:00,141 WARN L838 $PredicateComparison]: unable to prove that (forall ((|aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60| Int)) (or (not (= (mod (mod (mod |c_ULTIMATE.start_check_gcd_#in~b_in#1| 4294967296) (mod |aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60| 4294967296)) 4294967296) 0)) (<= 4294967296 |aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60|) (<= |aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60| (mod |c_ULTIMATE.start_check_gcd_#in~gcd#1| 4294967296)))) is different from false [2021-11-14 07:31:02,920 WARN L838 $PredicateComparison]: unable to prove that (forall ((|aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60| Int)) (or (<= 4294967296 |aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60|) (not (= (mod (mod (mod |c_ULTIMATE.start_main_~b_in~0#1| 4294967296) (mod |aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60| 4294967296)) 4294967296) 0)) (<= |aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60| (mod |c_ULTIMATE.start_main_#t~ret12#1| 4294967296)))) is different from false [2021-11-14 07:31:05,716 WARN L838 $PredicateComparison]: unable to prove that (forall ((|aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60| Int)) (or (<= 4294967296 |aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60|) (<= |aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60| (mod |c_ULTIMATE.start_start_#res#1| 4294967296)) (not (= (mod (mod (mod |c_ULTIMATE.start_main_~b_in~0#1| 4294967296) (mod |aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60| 4294967296)) 4294967296) 0)))) is different from false [2021-11-14 07:31:08,624 WARN L838 $PredicateComparison]: unable to prove that (forall ((|aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60| Int)) (or (<= |aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60| (mod c_~a~0 4294967296)) (<= 4294967296 |aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60|) (not (= (mod (mod (mod |c_ULTIMATE.start_main_~b_in~0#1| 4294967296) (mod |aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60| 4294967296)) 4294967296) 0)))) is different from false [2021-11-14 07:31:39,969 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2021-11-14 07:31:39,969 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 07:31:39,969 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732601097] [2021-11-14 07:31:39,969 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-14 07:31:39,969 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1030710] [2021-11-14 07:31:39,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1030710] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-14 07:31:39,970 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-14 07:31:39,970 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 33 [2021-11-14 07:31:39,970 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724488385] [2021-11-14 07:31:39,970 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-14 07:31:39,971 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-11-14 07:31:39,971 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 07:31:39,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-11-14 07:31:39,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=606, Unknown=25, NotChecked=330, Total=1056 [2021-11-14 07:31:39,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:31:39,972 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 07:31:39,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 6.2727272727272725) internal successors, (207), 33 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 07:31:39,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:31:39,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-11-14 07:31:39,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-11-14 07:31:39,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-11-14 07:31:39,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-11-14 07:31:39,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-11-14 07:31:39,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:32:03,347 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse2 (mod |c_ULTIMATE.start_main_~b_in~0#1| 4294967296))) (let ((.cse0 (<= .cse2 0)) (.cse1 (< 0 .cse2))) (and (or (and .cse0 (= |c_ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)) (and (= |c_ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) .cse1)) (= |c_ULTIMATE.start_main_~b_in~0#1| |c_ULTIMATE.start_start_#in~b_in#1|) (forall ((|aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60| Int)) (or (<= |aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60| (mod c_~a~0 4294967296)) (<= 4294967296 |aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60|) (not (= (mod (mod (mod |c_ULTIMATE.start_main_~b_in~0#1| 4294967296) (mod |aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60| 4294967296)) 4294967296) 0)))) (= |c_ULTIMATE.start_main_~b_in~0#1| |c_ULTIMATE.start_start_~b_in#1|) (or (and .cse0 (= |c_ULTIMATE.start_assume_abort_if_not_~cond#1| 0)) (and (= |c_ULTIMATE.start_assume_abort_if_not_~cond#1| 1) .cse1)) .cse1 (<= .cse2 (mod c_~a~0 4294967296)) (= |c_ULTIMATE.start_main_~b_in~0#1| c_~b~0)))) is different from false [2021-11-14 07:32:05,523 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (mod |c_ULTIMATE.start_main_~b_in~0#1| 4294967296))) (and (forall ((|aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60| Int)) (or (<= |aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60| (mod c_~a~0 4294967296)) (<= 4294967296 |aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60|) (not (= (mod (mod (mod |c_ULTIMATE.start_main_~b_in~0#1| 4294967296) (mod |aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60| 4294967296)) 4294967296) 0)))) (< 0 .cse0) (<= .cse0 (mod c_~a~0 4294967296)))) is different from false [2021-11-14 07:32:07,647 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (mod |c_ULTIMATE.start_main_~b_in~0#1| 4294967296))) (and (< 0 .cse0) (<= .cse0 (mod |c_ULTIMATE.start_start_#res#1| 4294967296)) (forall ((|aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60| Int)) (or (<= 4294967296 |aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60|) (<= |aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60| (mod |c_ULTIMATE.start_start_#res#1| 4294967296)) (not (= (mod (mod (mod |c_ULTIMATE.start_main_~b_in~0#1| 4294967296) (mod |aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60| 4294967296)) 4294967296) 0)))))) is different from false [2021-11-14 07:32:09,998 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (mod |c_ULTIMATE.start_main_~b_in~0#1| 4294967296))) (and (<= .cse0 (mod |c_ULTIMATE.start_main_#t~ret12#1| 4294967296)) (forall ((|aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60| Int)) (or (<= 4294967296 |aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60|) (not (= (mod (mod (mod |c_ULTIMATE.start_main_~b_in~0#1| 4294967296) (mod |aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60| 4294967296)) 4294967296) 0)) (<= |aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60| (mod |c_ULTIMATE.start_main_#t~ret12#1| 4294967296)))) (< 0 .cse0))) is different from false [2021-11-14 07:32:12,351 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (mod |c_ULTIMATE.start_check_gcd_#in~b_in#1| 4294967296))) (and (<= .cse0 (mod |c_ULTIMATE.start_check_gcd_#in~gcd#1| 4294967296)) (forall ((|aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60| Int)) (or (not (= (mod (mod (mod |c_ULTIMATE.start_check_gcd_#in~b_in#1| 4294967296) (mod |aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60| 4294967296)) 4294967296) 0)) (<= 4294967296 |aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60|) (<= |aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60| (mod |c_ULTIMATE.start_check_gcd_#in~gcd#1| 4294967296)))) (< 0 .cse0))) is different from false [2021-11-14 07:32:14,889 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (mod |c_ULTIMATE.start_check_gcd_~b_in#1| 4294967296))) (and (< 0 .cse0) (forall ((|aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60| Int)) (or (not (= (mod (mod (mod |c_ULTIMATE.start_check_gcd_~b_in#1| 4294967296) (mod |aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60| 4294967296)) 4294967296) 0)) (<= 4294967296 |aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60|) (<= |aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60| (mod |c_ULTIMATE.start_check_gcd_#in~gcd#1| 4294967296)))) (<= .cse0 (mod |c_ULTIMATE.start_check_gcd_#in~gcd#1| 4294967296)))) is different from false [2021-11-14 07:32:17,622 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (mod |c_ULTIMATE.start_check_gcd_~b_in#1| 4294967296))) (and (< 0 .cse0) (forall ((|aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60| Int)) (or (not (= (mod (mod (mod |c_ULTIMATE.start_check_gcd_~b_in#1| 4294967296) (mod |aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60| 4294967296)) 4294967296) 0)) (<= 4294967296 |aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60|) (<= |aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0#1_60| (mod |c_ULTIMATE.start_check_gcd_~gcd#1| 4294967296)))) (<= .cse0 (mod |c_ULTIMATE.start_check_gcd_~gcd#1| 4294967296)))) is different from false [2021-11-14 07:32:40,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 07:32:40,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-14 07:32:40,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-14 07:32:40,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-14 07:32:40,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-14 07:32:40,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-14 07:32:40,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-14 07:32:40,479 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-14 07:32:40,675 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 07:32:40,675 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-14 07:32:40,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 07:32:40,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1891528931, now seen corresponding path program 1 times [2021-11-14 07:32:40,676 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 07:32:40,676 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344607995] [2021-11-14 07:32:40,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 07:32:40,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 07:32:40,688 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-14 07:32:40,688 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1249487019] [2021-11-14 07:32:40,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 07:32:40,689 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 07:32:40,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 07:32:40,690 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 07:32:40,693 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-14 07:32:41,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 07:32:41,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 50 conjunts are in the unsatisfiable core [2021-11-14 07:32:41,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2021-11-14 07:33:23,145 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2021-11-14 07:33:23,151 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-11-14 07:33:23,153 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-11-14 07:33:23,157 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-11-14 07:33:23,157 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-11-14 07:33:23,346 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,SelfDestructingSolverStorable7 [2021-11-14 07:33:23,347 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 110 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. [2021-11-14 07:33:23,348 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2021-11-14 07:33:23,348 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining) [2021-11-14 07:33:23,348 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 5 remaining) [2021-11-14 07:33:23,348 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 5 remaining) [2021-11-14 07:33:23,353 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-14 07:33:23,355 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-14 07:33:23,355 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-14 07:33:23,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 07:33:23 BasicIcfg [2021-11-14 07:33:23,357 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-14 07:33:23,358 INFO L158 Benchmark]: Toolchain (without parser) took 873160.50ms. Allocated memory was 381.7MB in the beginning and 459.3MB in the end (delta: 77.6MB). Free memory was 325.9MB in the beginning and 345.7MB in the end (delta: -19.8MB). Peak memory consumption was 59.9MB. Max. memory is 16.0GB. [2021-11-14 07:33:23,358 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 381.7MB. Free memory is still 344.3MB. There was no memory consumed. Max. memory is 16.0GB. [2021-11-14 07:33:23,359 INFO L158 Benchmark]: CACSL2BoogieTranslator took 439.06ms. Allocated memory was 381.7MB in the beginning and 459.3MB in the end (delta: 77.6MB). Free memory was 325.7MB in the beginning and 423.2MB in the end (delta: -97.5MB). Peak memory consumption was 9.0MB. Max. memory is 16.0GB. [2021-11-14 07:33:23,359 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.91ms. Allocated memory is still 459.3MB. Free memory was 423.2MB in the beginning and 421.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2021-11-14 07:33:23,359 INFO L158 Benchmark]: Boogie Preprocessor took 23.06ms. Allocated memory is still 459.3MB. Free memory was 421.1MB in the beginning and 419.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2021-11-14 07:33:23,359 INFO L158 Benchmark]: RCFGBuilder took 491.51ms. Allocated memory is still 459.3MB. Free memory was 419.0MB in the beginning and 400.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2021-11-14 07:33:23,360 INFO L158 Benchmark]: TraceAbstraction took 872156.50ms. Allocated memory is still 459.3MB. Free memory was 400.1MB in the beginning and 345.7MB in the end (delta: 54.4MB). Peak memory consumption was 56.2MB. Max. memory is 16.0GB. [2021-11-14 07:33:23,361 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 381.7MB. Free memory is still 344.3MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 439.06ms. Allocated memory was 381.7MB in the beginning and 459.3MB in the end (delta: 77.6MB). Free memory was 325.7MB in the beginning and 423.2MB in the end (delta: -97.5MB). Peak memory consumption was 9.0MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 45.91ms. Allocated memory is still 459.3MB. Free memory was 423.2MB in the beginning and 421.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 23.06ms. Allocated memory is still 459.3MB. Free memory was 421.1MB in the beginning and 419.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 491.51ms. Allocated memory is still 459.3MB. Free memory was 419.0MB in the beginning and 400.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * TraceAbstraction took 872156.50ms. Allocated memory is still 459.3MB. Free memory was 400.1MB in the beginning and 345.7MB in the end (delta: 54.4MB). Peak memory consumption was 56.2MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1844, positive: 1217, positive conditional: 809, positive unconditional: 408, negative: 627, negative conditional: 622, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1227, positive: 1217, positive conditional: 809, positive unconditional: 408, negative: 10, negative conditional: 5, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1227, positive: 1217, positive conditional: 809, positive unconditional: 408, negative: 10, negative conditional: 5, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1251, positive: 1217, positive conditional: 619, positive unconditional: 598, negative: 34, negative conditional: 24, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1251, positive: 1217, positive conditional: 436, positive unconditional: 781, negative: 34, negative conditional: 21, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1251, positive: 1217, positive conditional: 436, positive unconditional: 781, negative: 34, negative conditional: 21, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 420, positive: 406, positive conditional: 0, positive unconditional: 406, negative: 14, negative conditional: 9, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 420, positive: 404, positive conditional: 0, positive unconditional: 404, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 14, negative conditional: 9, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 107, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 103, negative conditional: 44, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1251, positive: 811, positive conditional: 436, positive unconditional: 375, negative: 20, negative conditional: 12, negative unconditional: 8, unknown: 420, unknown conditional: 9, unknown unconditional: 411] , Statistics on independence cache: Total cache size (in pairs): 420, Positive cache size: 406, Positive conditional cache size: 0, Positive unconditional cache size: 406, Negative cache size: 14, Negative conditional cache size: 9, Negative unconditional cache size: 5, Eliminated conditions: 186, Maximal queried relation: 6, Independence queries for same thread: 617 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 89.31ms, Number of persistent set computation: 193, Number of trivial persistent sets: 176, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 413, positive: 408, positive conditional: 0, positive unconditional: 408, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1844, positive: 1217, positive conditional: 809, positive unconditional: 408, negative: 627, negative conditional: 622, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1227, positive: 1217, positive conditional: 809, positive unconditional: 408, negative: 10, negative conditional: 5, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1227, positive: 1217, positive conditional: 809, positive unconditional: 408, negative: 10, negative conditional: 5, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1251, positive: 1217, positive conditional: 619, positive unconditional: 598, negative: 34, negative conditional: 24, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1251, positive: 1217, positive conditional: 436, positive unconditional: 781, negative: 34, negative conditional: 21, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1251, positive: 1217, positive conditional: 436, positive unconditional: 781, negative: 34, negative conditional: 21, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 420, positive: 406, positive conditional: 0, positive unconditional: 406, negative: 14, negative conditional: 9, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 420, positive: 404, positive conditional: 0, positive unconditional: 404, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 14, negative conditional: 9, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 107, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 103, negative conditional: 44, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1251, positive: 811, positive conditional: 436, positive unconditional: 375, negative: 20, negative conditional: 12, negative unconditional: 8, unknown: 420, unknown conditional: 9, unknown unconditional: 411] , Statistics on independence cache: Total cache size (in pairs): 420, Positive cache size: 406, Positive conditional cache size: 0, Positive unconditional cache size: 406, Negative cache size: 14, Negative conditional cache size: 9, Negative unconditional cache size: 5, Eliminated conditions: 186, Maximal queried relation: 6, Independence queries for same thread: 617 - 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: 20]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 110 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 20]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 110 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 20]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 110 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 729]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 110 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 730]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 110 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 156 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 872.1s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 305.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 157, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 520.3s InterpolantComputationTime, 782 NumberOfCodeBlocks, 782 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1111 ConstructedInterpolants, 142 QuantifiedInterpolants, 14088 SizeOfPredicates, 114 NumberOfNonLiveVariables, 1320 ConjunctsInSsa, 214 ConjunctsInUnsatCore, 10 InterpolantComputations, 4 PerfectInterpolantSequences, 0/6 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