/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/gcd-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2ce48c3f3f8970e6bfb7f04ced506932607c57fe-2ce48c3 [2021-10-25 02:54:38,812 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-25 02:54:38,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-25 02:54:38,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-25 02:54:38,883 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-25 02:54:38,884 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-25 02:54:38,885 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-25 02:54:38,885 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-25 02:54:38,886 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-25 02:54:38,886 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-25 02:54:38,887 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-25 02:54:38,889 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-25 02:54:38,890 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-25 02:54:38,895 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-25 02:54:38,897 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-25 02:54:38,898 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-25 02:54:38,908 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-25 02:54:38,913 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-25 02:54:38,914 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-25 02:54:38,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-25 02:54:38,918 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-Uncond-NoLbe-Random42.epf [2021-10-25 02:54:38,944 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-25 02:54:38,945 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-25 02:54:38,945 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-25 02:54:38,945 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-25 02:54:38,946 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-25 02:54:38,946 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-25 02:54:38,946 INFO L138 SettingsManager]: * Use SBE=true [2021-10-25 02:54:38,946 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-25 02:54:38,946 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-25 02:54:38,946 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-25 02:54:38,946 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-25 02:54:38,947 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-25 02:54:38,947 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-25 02:54:38,947 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-25 02:54:38,947 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-25 02:54:38,949 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-25 02:54:38,949 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-25 02:54:38,949 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-25 02:54:38,949 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-25 02:54:38,949 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-25 02:54:38,950 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-25 02:54:38,950 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-25 02:54:38,950 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-25 02:54:38,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-25 02:54:38,950 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-25 02:54:38,950 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-25 02:54:38,950 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-25 02:54:38,950 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-25 02:54:38,951 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-10-25 02:54:38,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-25 02:54:38,951 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-25 02:54:38,951 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-25 02:54:38,951 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-25 02:54:38,951 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-25 02:54:38,952 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-25 02:54:38,952 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-25 02:54:38,952 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 [2021-10-25 02:54:38,952 INFO L138 SettingsManager]: * Use conditional POR in concurrent analysis=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-25 02:54:39,152 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-25 02:54:39,167 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-25 02:54:39,169 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-25 02:54:39,170 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-25 02:54:39,170 INFO L275 PluginConnector]: CDTParser initialized [2021-10-25 02:54:39,171 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/gcd-2.i [2021-10-25 02:54:39,212 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e9b0c661/daafd22fd90f469e8dfd865ce488b331/FLAG9170b3a7c [2021-10-25 02:54:39,643 INFO L306 CDTParser]: Found 1 translation units. [2021-10-25 02:54:39,644 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/gcd-2.i [2021-10-25 02:54:39,653 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e9b0c661/daafd22fd90f469e8dfd865ce488b331/FLAG9170b3a7c [2021-10-25 02:54:39,678 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e9b0c661/daafd22fd90f469e8dfd865ce488b331 [2021-10-25 02:54:39,682 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-25 02:54:39,683 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-25 02:54:39,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-25 02:54:39,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-25 02:54:39,687 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-25 02:54:39,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 02:54:39" (1/1) ... [2021-10-25 02:54:39,688 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69c9fdbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:54:39, skipping insertion in model container [2021-10-25 02:54:39,688 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 02:54:39" (1/1) ... [2021-10-25 02:54:39,694 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-25 02:54:39,720 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-25 02:54:39,853 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] [2021-10-25 02:54:39,930 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-25 02:54:39,934 INFO L203 MainTranslator]: Completed pre-run [2021-10-25 02:54:39,941 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] [2021-10-25 02:54:39,959 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-25 02:54:39,980 INFO L208 MainTranslator]: Completed translation [2021-10-25 02:54:39,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:54:39 WrapperNode [2021-10-25 02:54:39,980 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-25 02:54:39,981 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-25 02:54:39,981 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-25 02:54:39,981 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-25 02:54:39,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:54:39" (1/1) ... [2021-10-25 02:54:39,993 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:54:39" (1/1) ... [2021-10-25 02:54:40,009 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-25 02:54:40,010 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-25 02:54:40,010 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-25 02:54:40,010 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-25 02:54:40,015 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:54:39" (1/1) ... [2021-10-25 02:54:40,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:54:39" (1/1) ... [2021-10-25 02:54:40,017 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:54:39" (1/1) ... [2021-10-25 02:54:40,018 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:54:39" (1/1) ... [2021-10-25 02:54:40,021 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:54:39" (1/1) ... [2021-10-25 02:54:40,024 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:54:39" (1/1) ... [2021-10-25 02:54:40,025 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:54:39" (1/1) ... [2021-10-25 02:54:40,026 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-25 02:54:40,027 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-25 02:54:40,027 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-25 02:54:40,027 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-25 02:54:40,028 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:54:39" (1/1) ... [2021-10-25 02:54:40,032 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-25 02:54:40,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 02:54:40,045 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) [2021-10-25 02:54:40,070 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 [2021-10-25 02:54:40,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-25 02:54:40,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-25 02:54:40,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-25 02:54:40,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-25 02:54:40,096 INFO L130 BoogieDeclarations]: Found specification of procedure dec_a [2021-10-25 02:54:40,096 INFO L138 BoogieDeclarations]: Found implementation of procedure dec_a [2021-10-25 02:54:40,096 INFO L130 BoogieDeclarations]: Found specification of procedure dec_b [2021-10-25 02:54:40,096 INFO L138 BoogieDeclarations]: Found implementation of procedure dec_b [2021-10-25 02:54:40,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-25 02:54:40,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-25 02:54:40,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-25 02:54:40,098 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-25 02:54:40,441 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-25 02:54:40,441 INFO L299 CfgBuilder]: Removed 26 assume(true) statements. [2021-10-25 02:54:40,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 02:54:40 BoogieIcfgContainer [2021-10-25 02:54:40,443 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-25 02:54:40,444 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-25 02:54:40,444 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-25 02:54:40,446 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-25 02:54:40,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 02:54:39" (1/3) ... [2021-10-25 02:54:40,447 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7635900f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 02:54:40, skipping insertion in model container [2021-10-25 02:54:40,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 02:54:39" (2/3) ... [2021-10-25 02:54:40,447 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7635900f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 02:54:40, skipping insertion in model container [2021-10-25 02:54:40,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 02:54:40" (3/3) ... [2021-10-25 02:54:40,448 INFO L111 eAbstractionObserver]: Analyzing ICFG gcd-2.i [2021-10-25 02:54:40,451 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-25 02:54:40,451 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-25 02:54:40,451 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-25 02:54:40,451 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-25 02:54:40,472 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 02:54:40,472 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 02:54:40,472 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 02:54:40,472 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 02:54:40,483 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 02:54:40,483 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 02:54:40,483 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 02:54:40,483 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 02:54:40,483 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 02:54:40,484 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 02:54:40,484 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 02:54:40,484 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 02:54:40,484 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 02:54:40,484 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 02:54:40,484 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 02:54:40,484 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 02:54:40,484 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 02:54:40,485 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 02:54:40,485 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 02:54:40,485 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 02:54:40,485 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 02:54:40,485 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 02:54:40,485 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 02:54:40,485 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 02:54:40,487 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 02:54:40,487 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 02:54:40,487 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 02:54:40,488 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 02:54:40,489 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 02:54:40,490 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 02:54:40,490 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 02:54:40,490 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 02:54:40,495 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-10-25 02:54:40,522 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-25 02:54:40,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 02:54:40,535 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) [2021-10-25 02:54:40,536 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 [2021-10-25 02:54:40,555 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-25 02:54:40,558 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, mConcurrency=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 [2021-10-25 02:54:40,558 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-10-25 02:54:40,685 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-25 02:54:40,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 02:54:40,689 INFO L82 PathProgramCache]: Analyzing trace with hash 1931653362, now seen corresponding path program 1 times [2021-10-25 02:54:40,694 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 02:54:40,694 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347806615] [2021-10-25 02:54:40,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 02:54:40,695 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 02:54:40,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 02:54:40,808 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-25 02:54:40,808 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 02:54:40,808 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347806615] [2021-10-25 02:54:40,809 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347806615] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 02:54:40,809 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-25 02:54:40,809 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-25 02:54:40,810 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779961332] [2021-10-25 02:54:40,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-25 02:54:40,814 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 02:54:40,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-25 02:54:40,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-25 02:54:40,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 02:54:40,824 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 02:54:40,824 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 52.5) internal successors, (105), 2 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) [2021-10-25 02:54:40,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 02:54:40,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 02:54:40,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-25 02:54:40,837 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)] === [2021-10-25 02:54:40,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 02:54:40,837 INFO L82 PathProgramCache]: Analyzing trace with hash 1392569228, now seen corresponding path program 1 times [2021-10-25 02:54:40,837 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 02:54:40,838 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085573631] [2021-10-25 02:54:40,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 02:54:40,838 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 02:54:40,879 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-25 02:54:40,880 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1051849416] [2021-10-25 02:54:40,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 02:54:40,880 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 02:54:40,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 02:54:40,881 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) [2021-10-25 02:54:40,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-25 02:54:47,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 02:54:47,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 57 conjunts are in the unsatisfiable core [2021-10-25 02:54:47,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 02:55:56,655 WARN L207 SmtUtils]: Spent 5.43 s on a formula simplification that was a NOOP. DAG size: 54 [2021-10-25 02:56:43,850 WARN L207 SmtUtils]: Spent 11.44 s on a formula simplification that was a NOOP. DAG size: 67 [2021-10-25 02:57:00,419 WARN L838 $PredicateComparison]: unable to prove that (and (let ((.cse0 (mod c_ULTIMATE.start_check_gcd_~a_in 4294967296)) (.cse1 (mod c_ULTIMATE.start_check_gcd_~gcd 4294967296))) (or (and (let ((.cse2 (* (div (+ (* c_ULTIMATE.start_check_gcd_~a_in (- 1)) c_ULTIMATE.start_check_gcd_~gcd .cse1) (- 4294967296)) 4294967296))) (< (div (+ (* .cse0 (- 1)) .cse1 .cse2) 4294967296) (div (+ .cse1 .cse2) 4294967296))) (= (mod (+ c_ULTIMATE.start_check_gcd_~gcd .cse1 (* c_ULTIMATE.start_check_gcd_~a_in 4294967295)) (- 4294967296)) 0)) (let ((.cse3 (mod (+ c_ULTIMATE.start_check_gcd_~gcd .cse1) 4294967296))) (and (or (= c_ULTIMATE.start_check_gcd_~a_in c_ULTIMATE.start_check_gcd_~gcd) (and (< .cse3 .cse0) (= (mod (+ c_ULTIMATE.start_check_gcd_~a_in (* .cse1 4294967295) (* c_ULTIMATE.start_check_gcd_~gcd 4294967294)) 4294967296) 0))) (< .cse1 .cse3))))) (exists ((aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0_56 Int)) (and (= (mod (mod (mod c_ULTIMATE.start_check_gcd_~a_in 4294967296) (mod aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0_56 4294967296)) 4294967296) 0) (or (and (= c_ULTIMATE.start_assume_abort_if_not_~cond 0) (exists ((aux_mod_ULTIMATE.start_check_gcd_~b_in_47 Int)) (and (not (= (mod (mod aux_mod_ULTIMATE.start_check_gcd_~b_in_47 (mod aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0_56 4294967296)) 4294967296) 0)) (<= 0 aux_mod_ULTIMATE.start_check_gcd_~b_in_47) (< aux_mod_ULTIMATE.start_check_gcd_~b_in_47 4294967296)))) (and (= c_ULTIMATE.start_assume_abort_if_not_~cond 1) (exists ((aux_mod_ULTIMATE.start_check_gcd_~b_in_47 Int)) (and (= (mod (mod aux_mod_ULTIMATE.start_check_gcd_~b_in_47 (mod aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0_56 4294967296)) 4294967296) 0) (<= 0 aux_mod_ULTIMATE.start_check_gcd_~b_in_47) (< aux_mod_ULTIMATE.start_check_gcd_~b_in_47 4294967296))))) (< aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0_56 4294967296) (< 1 aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0_56)))) is different from false [2021-10-25 02:57:45,277 WARN L207 SmtUtils]: Spent 6.00 s on a formula simplification that was a NOOP. DAG size: 56 [2021-10-25 02:59:00,752 WARN L860 $PredicateComparison]: unable to prove that (exists ((aux_mod_ULTIMATE.start_check_gcd_~a_in_47 Int) (aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0_56 Int) (aux_mod_ULTIMATE.start_check_gcd_~b_in_47 Int)) (let ((.cse0 (mod aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0_56 4294967296))) (and (= (mod (mod aux_mod_ULTIMATE.start_check_gcd_~b_in_47 .cse0) 4294967296) 0) (<= 0 aux_mod_ULTIMATE.start_check_gcd_~b_in_47) (<= 0 aux_mod_ULTIMATE.start_check_gcd_~a_in_47) (< aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0_56 4294967296) (let ((.cse4 (<= 1 |c_ULTIMATE.start___VERIFIER_assert_#in~cond|))) (or (and (exists ((aux_div_aux_mod_ULTIMATE.start_check_gcd_~gcd_46_57 Int) (aux_div_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~gcd_46_57_68 Int) (aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~gcd_46_57_68 Int)) (let ((.cse3 (* 4294967296 aux_div_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~gcd_46_57_68))) (let ((.cse2 (+ .cse3 aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~gcd_46_57_68)) (.cse1 (+ .cse3 (* 4294967296 aux_div_aux_mod_ULTIMATE.start_check_gcd_~gcd_46_57) aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~gcd_46_57_68))) (and (< .cse1 (mod (* aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~gcd_46_57_68 2) 4294967296)) (<= 0 .cse2) (< aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~gcd_46_57_68 4294967296) (<= 0 aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~gcd_46_57_68) (< .cse2 4294967296) (<= 0 .cse1) (= (mod (+ aux_mod_ULTIMATE.start_check_gcd_~a_in_47 (* aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~gcd_46_57_68 4294967293)) 4294967296) 0) (< (mod (+ (+ (* aux_div_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~gcd_46_57_68 4294967296) aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~gcd_46_57_68) aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~gcd_46_57_68) 4294967296) (mod aux_mod_ULTIMATE.start_check_gcd_~a_in_47 4294967296)))))) .cse4) (and .cse4 (exists ((aux_div_aux_mod_ULTIMATE.start_check_gcd_~gcd_46_57 Int) (aux_mod_aux_mod_ULTIMATE.start_check_gcd_~gcd_46_57 Int) (aux_div_ULTIMATE.start_check_gcd_~a_in_47 Int) (aux_div_ULTIMATE.start_check_gcd_~gcd_46 Int)) (let ((.cse5 (+ aux_mod_aux_mod_ULTIMATE.start_check_gcd_~gcd_46_57 (* 4294967296 aux_div_aux_mod_ULTIMATE.start_check_gcd_~gcd_46_57))) (.cse6 (* aux_mod_aux_mod_ULTIMATE.start_check_gcd_~gcd_46_57 2))) (and (< .cse5 4294967296) (<= 0 aux_mod_aux_mod_ULTIMATE.start_check_gcd_~gcd_46_57) (= (mod (+ (* aux_mod_ULTIMATE.start_check_gcd_~a_in_47 4294967295) .cse6) (- 4294967296)) 0) (<= 0 .cse5) (< aux_mod_aux_mod_ULTIMATE.start_check_gcd_~gcd_46_57 4294967296) (let ((.cse7 (* (div (+ (* aux_div_ULTIMATE.start_check_gcd_~gcd_46 4294967296) (* aux_div_aux_mod_ULTIMATE.start_check_gcd_~gcd_46_57 4294967296) (* aux_mod_ULTIMATE.start_check_gcd_~a_in_47 (- 1)) .cse6 (* aux_div_ULTIMATE.start_check_gcd_~a_in_47 (- 4294967296))) (- 4294967296)) 4294967296))) (< (div (+ (* (mod aux_mod_ULTIMATE.start_check_gcd_~a_in_47 4294967296) (- 1)) .cse7 aux_mod_aux_mod_ULTIMATE.start_check_gcd_~gcd_46_57) 4294967296) (div (+ .cse7 aux_mod_aux_mod_ULTIMATE.start_check_gcd_~gcd_46_57) 4294967296))))))) (and (or (and (<= 0 |c_ULTIMATE.start___VERIFIER_assert_#in~cond|) (not (= (mod (let ((.cse8 (mod aux_mod_ULTIMATE.start_check_gcd_~a_in_47 4294967296))) (mod .cse8 .cse8)) 4294967296) 0))) .cse4) (exists ((aux_div_ULTIMATE.start_check_gcd_~a_in_47 Int) (aux_div_ULTIMATE.start_check_gcd_~gcd_46 Int)) (let ((.cse10 (* 4294967296 aux_div_ULTIMATE.start_check_gcd_~gcd_46)) (.cse9 (+ (* 4294967296 aux_div_ULTIMATE.start_check_gcd_~a_in_47) aux_mod_ULTIMATE.start_check_gcd_~a_in_47))) (and (< .cse9 (+ .cse10 (mod (* aux_mod_ULTIMATE.start_check_gcd_~a_in_47 2) 4294967296))) (<= .cse10 .cse9))))))) (= (mod (mod aux_mod_ULTIMATE.start_check_gcd_~a_in_47 .cse0) 4294967296) 0) (< 1 aux_mod_ULTIMATE.start_check_gcd_~guessed_gcd~0_56) (< aux_mod_ULTIMATE.start_check_gcd_~a_in_47 4294967296) (< aux_mod_ULTIMATE.start_check_gcd_~b_in_47 4294967296)))) is different from true [2021-10-25 02:59:15,300 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 02:59:15,301 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 02:59:15,301 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085573631] [2021-10-25 02:59:15,301 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-25 02:59:15,301 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1051849416] [2021-10-25 02:59:15,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1051849416] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 02:59:15,301 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-10-25 02:59:15,301 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2021-10-25 02:59:15,302 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335255309] [2021-10-25 02:59:15,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-10-25 02:59:15,303 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 02:59:15,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-10-25 02:59:15,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=878, Unknown=30, NotChecked=122, Total=1122 [2021-10-25 02:59:15,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 02:59:15,305 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 02:59:15,305 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 2.7058823529411766) internal successors, (92), 34 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-25 02:59:15,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 02:59:15,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 02:59:35,943 WARN L207 SmtUtils]: Spent 8.37 s on a formula simplification. DAG size of input: 111 DAG size of output: 63 [2021-10-25 02:59:36,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 02:59:36,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-25 02:59:37,006 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-25 02:59:37,188 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 [2021-10-25 02:59:37,188 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-25 02:59:37,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 02:59:37,188 INFO L82 PathProgramCache]: Analyzing trace with hash 457332424, now seen corresponding path program 2 times [2021-10-25 02:59:37,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 02:59:37,189 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552576844] [2021-10-25 02:59:37,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 02:59:37,190 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 02:59:37,233 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-25 02:59:37,234 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [22772756] [2021-10-25 02:59:37,234 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-25 02:59:37,234 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 02:59:37,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 02:59:37,235 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) [2021-10-25 02:59:37,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process Received shutdown request... [2021-10-25 03:09:23,548 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 [2021-10-25 03:09:23,554 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-25 03:09:23,554 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 [2021-10-25 03:09:24,556 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-10-25 03:09:24,756 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-10-25 03:09:24,756 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forcibly destroying the process [2021-10-25 03:09:24,766 ERROR L247 FreeRefinementEngine]: Caught known exception: Timeout or Toolchain cancelled by user [2021-10-25 03:09:24,768 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-25 03:09:24,790 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 137 [2021-10-25 03:09:24,790 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 [2021-10-25 03:09:24,791 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 [2021-10-25 03:09:24,791 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 97 with TraceHistMax 3,while AutomatonFreeRefinementEngine was Timeout during CAMEL. [2021-10-25 03:09:24,792 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-25 03:09:24,792 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-25 03:09:24,793 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-25 03:09:24,793 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-25 03:09:24,798 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-25 03:09:24,798 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-25 03:09:24,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 03:09:24 BasicIcfg [2021-10-25 03:09:24,799 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-25 03:09:24,800 INFO L168 Benchmark]: Toolchain (without parser) took 885116.87 ms. Allocated memory was 186.6 MB in the beginning and 242.2 MB in the end (delta: 55.6 MB). Free memory was 129.2 MB in the beginning and 157.5 MB in the end (delta: -28.3 MB). Peak memory consumption was 27.9 MB. Max. memory is 8.0 GB. [2021-10-25 03:09:24,800 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 186.6 MB. Free memory was 146.7 MB in the beginning and 146.6 MB in the end (delta: 101.2 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-25 03:09:24,800 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.56 ms. Allocated memory is still 186.6 MB. Free memory was 128.9 MB in the beginning and 147.5 MB in the end (delta: -18.6 MB). Peak memory consumption was 11.7 MB. Max. memory is 8.0 GB. [2021-10-25 03:09:24,806 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.76 ms. Allocated memory is still 186.6 MB. Free memory was 147.5 MB in the beginning and 144.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-10-25 03:09:24,807 INFO L168 Benchmark]: Boogie Preprocessor took 16.58 ms. Allocated memory is still 186.6 MB. Free memory was 144.9 MB in the beginning and 143.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-25 03:09:24,807 INFO L168 Benchmark]: RCFGBuilder took 416.02 ms. Allocated memory is still 186.6 MB. Free memory was 143.3 MB in the beginning and 110.3 MB in the end (delta: 33.0 MB). Peak memory consumption was 33.6 MB. Max. memory is 8.0 GB. [2021-10-25 03:09:24,810 INFO L168 Benchmark]: TraceAbstraction took 884355.10 ms. Allocated memory was 186.6 MB in the beginning and 242.2 MB in the end (delta: 55.6 MB). Free memory was 109.7 MB in the beginning and 157.5 MB in the end (delta: -47.7 MB). Peak memory consumption was 8.9 MB. Max. memory is 8.0 GB. [2021-10-25 03:09:24,814 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 186.6 MB. Free memory was 146.7 MB in the beginning and 146.6 MB in the end (delta: 101.2 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 296.56 ms. Allocated memory is still 186.6 MB. Free memory was 128.9 MB in the beginning and 147.5 MB in the end (delta: -18.6 MB). Peak memory consumption was 11.7 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 28.76 ms. Allocated memory is still 186.6 MB. Free memory was 147.5 MB in the beginning and 144.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 16.58 ms. Allocated memory is still 186.6 MB. Free memory was 144.9 MB in the beginning and 143.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 416.02 ms. Allocated memory is still 186.6 MB. Free memory was 143.3 MB in the beginning and 110.3 MB in the end (delta: 33.0 MB). Peak memory consumption was 33.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 884355.10 ms. Allocated memory was 186.6 MB in the beginning and 242.2 MB in the end (delta: 55.6 MB). Free memory was 109.7 MB in the beginning and 157.5 MB in the end (delta: -47.7 MB). Peak memory consumption was 8.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 638, positive: 516, positive conditional: 229, positive unconditional: 287, negative: 122, negative conditional: 114, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 536, positive: 516, positive conditional: 0, positive unconditional: 516, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 286, positive: 278, positive conditional: 0, positive unconditional: 278, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 286, positive: 276, positive conditional: 0, positive unconditional: 276, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 67, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 536, positive: 238, positive conditional: 0, positive unconditional: 238, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 286, unknown conditional: 0, unknown unconditional: 286] , Statistics on independence cache: Total cache size (in pairs): 286, Positive cache size: 278, Positive conditional cache size: 0, Positive unconditional cache size: 278, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Independence queries for same thread: 102 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 85, Number of persistent set computation: 107, Number of trivial persistent sets: 95, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 638, positive: 516, positive conditional: 229, positive unconditional: 287, negative: 122, negative conditional: 114, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 536, positive: 516, positive conditional: 0, positive unconditional: 516, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 286, positive: 278, positive conditional: 0, positive unconditional: 278, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 286, positive: 276, positive conditional: 0, positive unconditional: 276, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 67, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 536, positive: 238, positive conditional: 0, positive unconditional: 238, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 286, unknown conditional: 0, unknown unconditional: 286] , Statistics on independence cache: Total cache size (in pairs): 286, Positive cache size: 278, Positive conditional cache size: 0, Positive unconditional cache size: 278, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Independence queries for same thread: 102 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms 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 97 with TraceHistMax 3,while AutomatonFreeRefinementEngine was Timeout during CAMEL. - TimeoutResultAtElement [Line: 20]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 97 with TraceHistMax 3,while AutomatonFreeRefinementEngine was Timeout during CAMEL. - TimeoutResultAtElement [Line: 20]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 97 with TraceHistMax 3,while AutomatonFreeRefinementEngine was Timeout during CAMEL. - 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 97 with TraceHistMax 3,while AutomatonFreeRefinementEngine was Timeout during CAMEL. - 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 97 with TraceHistMax 3,while AutomatonFreeRefinementEngine was Timeout during CAMEL. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 132 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 884276.9ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.2ms, PartialOrderReductionTime: 21807.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 34.9ms SsaConstructionTime, 6226.9ms SatisfiabilityAnalysisTime, 268152.7ms InterpolantComputationTime, 197 NumberOfCodeBlocks, 197 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 195 ConstructedInterpolants, 5 QuantifiedInterpolants, 5286 SizeOfPredicates, 27 NumberOfNonLiveVariables, 206 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 2/4 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