/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-Random521.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 05:36:15,888 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-25 05:36:15,890 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-25 05:36:15,948 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-25 05:36:15,949 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-25 05:36:15,951 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-25 05:36:15,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-25 05:36:15,958 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-25 05:36:15,959 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-25 05:36:15,964 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-25 05:36:15,964 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-25 05:36:15,965 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2021-10-25 05:36:15,989 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-25 05:36:15,989 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-25 05:36:15,990 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-25 05:36:15,991 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-Random521.epf [2021-10-25 05:36:16,016 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-25 05:36:16,016 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-25 05:36:16,016 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-25 05:36:16,017 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-25 05:36:16,017 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-25 05:36:16,017 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-25 05:36:16,018 INFO L138 SettingsManager]: * Use SBE=true [2021-10-25 05:36:16,018 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-25 05:36:16,018 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-25 05:36:16,018 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-25 05:36:16,018 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-25 05:36:16,019 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-25 05:36:16,019 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-25 05:36:16,019 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-25 05:36:16,019 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-25 05:36:16,019 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-25 05:36:16,019 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-25 05:36:16,019 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-25 05:36:16,019 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-25 05:36:16,019 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-25 05:36:16,019 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-25 05:36:16,019 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-25 05:36:16,020 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-25 05:36:16,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-25 05:36:16,021 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-25 05:36:16,021 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-25 05:36:16,021 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-25 05:36:16,021 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-25 05:36:16,021 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-10-25 05:36:16,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-25 05:36:16,021 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-25 05:36:16,021 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-25 05:36:16,022 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-25 05:36:16,022 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-25 05:36:16,022 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-25 05:36:16,022 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-25 05:36:16,022 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 [2021-10-25 05:36:16,022 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-25 05:36:16,166 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-25 05:36:16,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-25 05:36:16,193 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-25 05:36:16,194 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-25 05:36:16,194 INFO L275 PluginConnector]: CDTParser initialized [2021-10-25 05:36:16,195 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/gcd-2.i [2021-10-25 05:36:16,241 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6320038a/2bc49ca88fae419ea723eedfd38d5267/FLAGd1e7e1d28 [2021-10-25 05:36:16,692 INFO L306 CDTParser]: Found 1 translation units. [2021-10-25 05:36:16,692 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/gcd-2.i [2021-10-25 05:36:16,704 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6320038a/2bc49ca88fae419ea723eedfd38d5267/FLAGd1e7e1d28 [2021-10-25 05:36:16,716 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6320038a/2bc49ca88fae419ea723eedfd38d5267 [2021-10-25 05:36:16,718 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-25 05:36:16,720 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-25 05:36:16,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-25 05:36:16,722 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-25 05:36:16,724 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-25 05:36:16,725 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 05:36:16" (1/1) ... [2021-10-25 05:36:16,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38ee2e15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 05:36:16, skipping insertion in model container [2021-10-25 05:36:16,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 05:36:16" (1/1) ... [2021-10-25 05:36:16,730 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-25 05:36:16,767 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-25 05:36:16,945 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 05:36:17,083 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-25 05:36:17,089 INFO L203 MainTranslator]: Completed pre-run [2021-10-25 05:36:17,097 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 05:36:17,127 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-25 05:36:17,147 INFO L208 MainTranslator]: Completed translation [2021-10-25 05:36:17,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 05:36:17 WrapperNode [2021-10-25 05:36:17,147 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-25 05:36:17,148 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-25 05:36:17,148 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-25 05:36:17,148 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-25 05:36:17,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 05:36:17" (1/1) ... [2021-10-25 05:36:17,161 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 05:36:17" (1/1) ... [2021-10-25 05:36:17,177 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-25 05:36:17,177 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-25 05:36:17,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-25 05:36:17,177 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-25 05:36:17,182 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 05:36:17" (1/1) ... [2021-10-25 05:36:17,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 05:36:17" (1/1) ... [2021-10-25 05:36:17,185 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 05:36:17" (1/1) ... [2021-10-25 05:36:17,185 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 05:36:17" (1/1) ... [2021-10-25 05:36:17,189 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 05:36:17" (1/1) ... [2021-10-25 05:36:17,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 05:36:17" (1/1) ... [2021-10-25 05:36:17,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 05:36:17" (1/1) ... [2021-10-25 05:36:17,195 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-25 05:36:17,196 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-25 05:36:17,196 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-25 05:36:17,196 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-25 05:36:17,196 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 05:36:17" (1/1) ... [2021-10-25 05:36:17,201 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-25 05:36:17,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 05:36:17,215 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 05:36:17,222 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 05:36:17,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-25 05:36:17,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-25 05:36:17,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-25 05:36:17,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-25 05:36:17,263 INFO L130 BoogieDeclarations]: Found specification of procedure dec_a [2021-10-25 05:36:17,263 INFO L138 BoogieDeclarations]: Found implementation of procedure dec_a [2021-10-25 05:36:17,263 INFO L130 BoogieDeclarations]: Found specification of procedure dec_b [2021-10-25 05:36:17,263 INFO L138 BoogieDeclarations]: Found implementation of procedure dec_b [2021-10-25 05:36:17,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-25 05:36:17,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-25 05:36:17,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-25 05:36:17,264 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 05:36:17,757 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-25 05:36:17,757 INFO L299 CfgBuilder]: Removed 26 assume(true) statements. [2021-10-25 05:36:17,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 05:36:17 BoogieIcfgContainer [2021-10-25 05:36:17,759 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-25 05:36:17,760 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-25 05:36:17,760 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-25 05:36:17,776 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-25 05:36:17,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 05:36:16" (1/3) ... [2021-10-25 05:36:17,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b76519e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 05:36:17, skipping insertion in model container [2021-10-25 05:36:17,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 05:36:17" (2/3) ... [2021-10-25 05:36:17,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b76519e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 05:36:17, skipping insertion in model container [2021-10-25 05:36:17,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 05:36:17" (3/3) ... [2021-10-25 05:36:17,778 INFO L111 eAbstractionObserver]: Analyzing ICFG gcd-2.i [2021-10-25 05:36:17,781 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-25 05:36:17,781 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-25 05:36:17,782 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-25 05:36:17,782 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-25 05:36:17,799 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:36:17,800 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:36:17,800 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:36:17,800 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:36:17,800 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:36:17,800 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:36:17,800 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:36:17,800 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:36:17,800 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:36:17,801 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:36:17,801 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:36:17,801 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:36:17,801 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:36:17,801 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:36:17,801 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:36:17,801 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:36:17,801 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:36:17,802 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:36:17,802 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:36:17,802 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:36:17,802 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:36:17,802 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:36:17,802 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:36:17,802 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:36:17,804 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:36:17,805 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:36:17,805 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:36:17,805 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:36:17,807 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:36:17,807 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:36:17,807 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:36:17,807 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 05:36:17,811 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-10-25 05:36:17,867 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-25 05:36:17,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 05:36:17,890 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 05:36:17,902 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 05:36:17,920 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-25 05:36:17,927 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 05:36:17,927 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-10-25 05:36:18,116 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 05:36:18,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 05:36:18,121 INFO L82 PathProgramCache]: Analyzing trace with hash -865030508, now seen corresponding path program 1 times [2021-10-25 05:36:18,128 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 05:36:18,128 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490836154] [2021-10-25 05:36:18,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:36:18,128 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 05:36:18,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:36:18,308 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 05:36:18,309 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 05:36:18,309 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490836154] [2021-10-25 05:36:18,310 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490836154] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 05:36:18,310 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-25 05:36:18,310 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-25 05:36:18,311 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609492451] [2021-10-25 05:36:18,316 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-25 05:36:18,317 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 05:36:18,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-25 05:36:18,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-25 05:36:18,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:36:18,330 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 05:36:18,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 51.0) internal successors, (102), 2 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-25 05:36:18,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:36:18,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:36:18,364 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-25 05:36:18,364 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-25 05:36:18,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 05:36:18,365 INFO L82 PathProgramCache]: Analyzing trace with hash -1822273393, now seen corresponding path program 1 times [2021-10-25 05:36:18,365 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 05:36:18,365 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923699226] [2021-10-25 05:36:18,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:36:18,366 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 05:36:18,419 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-25 05:36:18,420 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1597636732] [2021-10-25 05:36:18,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:36:18,420 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:36:18,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 05:36:18,421 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 05:36:18,431 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 05:36:18,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 05:36:18,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 33 conjunts are in the unsatisfiable core [2021-10-25 05:36:18,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 05:36:19,819 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 05:36:19,819 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 05:36:19,819 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923699226] [2021-10-25 05:36:19,819 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-25 05:36:19,819 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1597636732] [2021-10-25 05:36:19,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1597636732] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 05:36:19,820 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-25 05:36:19,820 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-10-25 05:36:19,820 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042027728] [2021-10-25 05:36:19,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-10-25 05:36:19,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 05:36:19,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-10-25 05:36:19,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2021-10-25 05:36:19,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:36:19,822 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 05:36:19,822 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 5.2631578947368425) internal successors, (100), 19 states have internal predecessors, (100), 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 05:36:19,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:36:19,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:36:20,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:36:20,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-25 05:36:20,233 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-10-25 05:36:20,416 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 05:36:20,416 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-25 05:36:20,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 05:36:20,417 INFO L82 PathProgramCache]: Analyzing trace with hash 2039505329, now seen corresponding path program 2 times [2021-10-25 05:36:20,417 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 05:36:20,417 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101938122] [2021-10-25 05:36:20,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:36:20,417 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 05:36:20,439 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-25 05:36:20,439 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1558159983] [2021-10-25 05:36:20,439 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-25 05:36:20,439 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:36:20,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 05:36:20,440 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 05:36:20,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-25 05:36:23,544 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-25 05:36:23,545 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 05:36:23,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 58 conjunts are in the unsatisfiable core [2021-10-25 05:36:23,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 05:36:57,081 WARN L207 SmtUtils]: Spent 13.44 s on a formula simplification that was a NOOP. DAG size: 46 [2021-10-25 05:37:16,606 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 05:37:16,607 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 05:37:16,607 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101938122] [2021-10-25 05:37:16,607 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-25 05:37:16,607 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558159983] [2021-10-25 05:37:16,607 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1558159983] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 05:37:16,607 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-10-25 05:37:16,607 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2021-10-25 05:37:16,607 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701013667] [2021-10-25 05:37:16,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-10-25 05:37:16,608 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 05:37:16,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-10-25 05:37:16,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=956, Unknown=4, NotChecked=0, Total=1056 [2021-10-25 05:37:16,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:37:16,609 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 05:37:16,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 3.090909090909091) internal successors, (102), 33 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-25 05:37:16,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:37:16,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-25 05:37:16,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:37:28,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 05:37:28,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-25 05:37:28,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-25 05:37:28,647 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-25 05:37:28,847 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 05:37:28,847 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)] === [2021-10-25 05:37:28,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 05:37:28,848 INFO L82 PathProgramCache]: Analyzing trace with hash -1937853869, now seen corresponding path program 3 times [2021-10-25 05:37:28,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 05:37:28,848 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467116448] [2021-10-25 05:37:28,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 05:37:28,848 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 05:37:28,867 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-25 05:37:28,867 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [368215428] [2021-10-25 05:37:28,868 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-25 05:37:28,868 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 05:37:28,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 05:37:28,868 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) [2021-10-25 05:37:28,869 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-25 05:37:34,991 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-10-25 05:37:34,992 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 05:37:34,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 67 conjunts are in the unsatisfiable core [2021-10-25 05:37:35,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 05:38:44,812 WARN L207 SmtUtils]: Spent 33.69 s on a formula simplification that was a NOOP. DAG size: 51 [2021-10-25 05:40:29,085 WARN L207 SmtUtils]: Spent 38.88 s on a formula simplification that was a NOOP. DAG size: 51 [2021-10-25 05:41:05,315 WARN L207 SmtUtils]: Spent 20.08 s on a formula simplification that was a NOOP. DAG size: 37 [2021-10-25 05:41:31,896 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse5 (mod c_ULTIMATE.start_check_gcd_~gcd 4294967296))) (let ((.cse4 (mod (+ c_ULTIMATE.start_check_gcd_~gcd .cse5) 4294967296)) (.cse1 (mod c_ULTIMATE.start_check_gcd_~guessed_gcd~0 4294967296))) (and (let ((.cse0 (mod (+ (* c_ULTIMATE.start_check_gcd_~gcd 2) .cse5) 4294967296))) (let ((.cse2 (< .cse4 .cse0))) (or (and (= (mod (mod .cse0 .cse1) 4294967296) 0) .cse2) (let ((.cse3 (mod (+ (* c_ULTIMATE.start_check_gcd_~gcd 3) (* .cse5 2)) 4294967296))) (and (= (mod (mod .cse3 .cse1) 4294967296) 0) .cse2 (< .cse4 .cse3))) (= 0 (mod (mod .cse5 .cse1) 4294967296))))) (let ((.cse6 (= (mod (mod .cse4 .cse1) 4294967296) 0))) (or (and (= |c_ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (not .cse6)) (and (= |c_ULTIMATE.start_assume_abort_if_not_#in~cond| 1) .cse6))) (< (div (+ (- 1) (* c_ULTIMATE.start_check_gcd_~gcd (- 4294967295))) (- 4294967296)) (+ (div (+ (* .cse5 (- 1)) 4294967295 (* c_ULTIMATE.start_check_gcd_~gcd 4294967295)) 4294967296) 1)) (< 1 .cse1)))) is different from false [2021-10-25 05:42:40,740 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse5 (mod c_ULTIMATE.start_check_gcd_~gcd 4294967296))) (let ((.cse4 (mod (+ c_ULTIMATE.start_check_gcd_~gcd .cse5) 4294967296)) (.cse1 (mod c_ULTIMATE.start_check_gcd_~guessed_gcd~0 4294967296))) (and (let ((.cse0 (mod (+ (* c_ULTIMATE.start_check_gcd_~gcd 2) .cse5) 4294967296))) (let ((.cse2 (< .cse4 .cse0))) (or (and (= (mod (mod .cse0 .cse1) 4294967296) 0) .cse2) (let ((.cse3 (mod (+ (* c_ULTIMATE.start_check_gcd_~gcd 3) (* .cse5 2)) 4294967296))) (and (= (mod (mod .cse3 .cse1) 4294967296) 0) .cse2 (< .cse4 .cse3))) (= 0 (mod (mod .cse5 .cse1) 4294967296))))) (< (div (+ (- 1) (* c_ULTIMATE.start_check_gcd_~gcd (- 4294967295))) (- 4294967296)) (+ (div (+ (* .cse5 (- 1)) 4294967295 (* c_ULTIMATE.start_check_gcd_~gcd 4294967295)) 4294967296) 1)) (< 1 .cse1) (let ((.cse6 (= (mod (mod .cse4 .cse1) 4294967296) 0))) (or (and (= c_ULTIMATE.start_assume_abort_if_not_~cond 0) (not .cse6)) (and (= c_ULTIMATE.start_assume_abort_if_not_~cond 1) .cse6)))))) is different from false [2021-10-25 05:43:08,757 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse5 (mod c_ULTIMATE.start_check_gcd_~gcd 4294967296))) (let ((.cse4 (mod (+ c_ULTIMATE.start_check_gcd_~gcd .cse5) 4294967296)) (.cse1 (mod c_ULTIMATE.start_check_gcd_~guessed_gcd~0 4294967296))) (and (let ((.cse0 (mod (+ (* c_ULTIMATE.start_check_gcd_~gcd 2) .cse5) 4294967296))) (let ((.cse2 (< .cse4 .cse0))) (or (and (= (mod (mod .cse0 .cse1) 4294967296) 0) .cse2) (let ((.cse3 (mod (+ (* c_ULTIMATE.start_check_gcd_~gcd 3) (* .cse5 2)) 4294967296))) (and (= (mod (mod .cse3 .cse1) 4294967296) 0) .cse2 (< .cse4 .cse3))) (= 0 (mod (mod .cse5 .cse1) 4294967296))))) (= (mod (mod .cse4 .cse1) 4294967296) 0) (< (div (+ (- 1) (* c_ULTIMATE.start_check_gcd_~gcd (- 4294967295))) (- 4294967296)) (+ (div (+ (* .cse5 (- 1)) 4294967295 (* c_ULTIMATE.start_check_gcd_~gcd 4294967295)) 4294967296) 1)) (< 1 .cse1)))) is different from false Received shutdown request... [2021-10-25 05:51:00,228 WARN L223 SmtUtils]: Removed 1 from assertion stack [2021-10-25 05:51:00,230 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-25 05:51:00,230 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 05:51:00,230 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-25 05:51:00,230 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 05:51:00,245 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-25 05:51:00,431 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 [2021-10-25 05:51:00,431 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 105 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 1ms.. [2021-10-25 05:51:00,433 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-25 05:51:00,433 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-25 05:51:00,433 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-25 05:51:00,433 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-25 05:51:00,438 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-25 05:51:00,438 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-25 05:51:00,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 05:51:00 BasicIcfg [2021-10-25 05:51:00,439 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-25 05:51:00,440 INFO L168 Benchmark]: Toolchain (without parser) took 883719.34 ms. Allocated memory was 209.7 MB in the beginning and 362.8 MB in the end (delta: 153.1 MB). Free memory was 156.7 MB in the beginning and 178.1 MB in the end (delta: -21.4 MB). Peak memory consumption was 189.6 MB. Max. memory is 8.0 GB. [2021-10-25 05:51:00,441 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 209.7 MB. Free memory was 174.8 MB in the beginning and 174.7 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-25 05:51:00,441 INFO L168 Benchmark]: CACSL2BoogieTranslator took 425.38 ms. Allocated memory is still 209.7 MB. Free memory was 156.4 MB in the beginning and 176.7 MB in the end (delta: -20.3 MB). Peak memory consumption was 11.6 MB. Max. memory is 8.0 GB. [2021-10-25 05:51:00,442 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.69 ms. Allocated memory is still 209.7 MB. Free memory was 176.7 MB in the beginning and 174.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-25 05:51:00,448 INFO L168 Benchmark]: Boogie Preprocessor took 17.98 ms. Allocated memory is still 209.7 MB. Free memory was 174.6 MB in the beginning and 173.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-25 05:51:00,448 INFO L168 Benchmark]: RCFGBuilder took 563.38 ms. Allocated memory is still 209.7 MB. Free memory was 173.1 MB in the beginning and 139.5 MB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 8.0 GB. [2021-10-25 05:51:00,449 INFO L168 Benchmark]: TraceAbstraction took 882679.34 ms. Allocated memory was 209.7 MB in the beginning and 362.8 MB in the end (delta: 153.1 MB). Free memory was 139.0 MB in the beginning and 178.1 MB in the end (delta: -39.1 MB). Peak memory consumption was 172.7 MB. Max. memory is 8.0 GB. [2021-10-25 05:51:00,450 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 209.7 MB. Free memory was 174.8 MB in the beginning and 174.7 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 425.38 ms. Allocated memory is still 209.7 MB. Free memory was 156.4 MB in the beginning and 176.7 MB in the end (delta: -20.3 MB). Peak memory consumption was 11.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 28.69 ms. Allocated memory is still 209.7 MB. Free memory was 176.7 MB in the beginning and 174.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 17.98 ms. Allocated memory is still 209.7 MB. Free memory was 174.6 MB in the beginning and 173.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 563.38 ms. Allocated memory is still 209.7 MB. Free memory was 173.1 MB in the beginning and 139.5 MB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 882679.34 ms. Allocated memory was 209.7 MB in the beginning and 362.8 MB in the end (delta: 153.1 MB). Free memory was 139.0 MB in the beginning and 178.1 MB in the end (delta: -39.1 MB). Peak memory consumption was 172.7 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: 590, positive: 460, positive conditional: 196, positive unconditional: 264, negative: 130, negative conditional: 123, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 479, positive: 460, positive conditional: 0, positive unconditional: 460, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 264, positive: 257, positive conditional: 0, positive unconditional: 257, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 264, positive: 255, positive conditional: 0, positive unconditional: 255, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 9, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 95, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 83, negative conditional: 0, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 479, positive: 203, positive conditional: 0, positive unconditional: 203, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 264, unknown conditional: 0, unknown unconditional: 264] , Statistics on independence cache: Total cache size (in pairs): 264, Positive cache size: 257, Positive conditional cache size: 0, Positive unconditional cache size: 257, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Independence queries for same thread: 111 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 122, Number of persistent set computation: 101, Number of trivial persistent sets: 88, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 590, positive: 460, positive conditional: 196, positive unconditional: 264, negative: 130, negative conditional: 123, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 479, positive: 460, positive conditional: 0, positive unconditional: 460, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 264, positive: 257, positive conditional: 0, positive unconditional: 257, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 264, positive: 255, positive conditional: 0, positive unconditional: 255, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 9, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 95, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 83, negative conditional: 0, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 479, positive: 203, positive conditional: 0, positive unconditional: 203, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 264, unknown conditional: 0, unknown unconditional: 264] , Statistics on independence cache: Total cache size (in pairs): 264, Positive cache size: 257, Positive conditional cache size: 0, Positive unconditional cache size: 257, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Independence queries for same thread: 111 - 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 105 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 1ms.. - TimeoutResultAtElement [Line: 20]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 105 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 1ms.. - TimeoutResultAtElement [Line: 20]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 105 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 1ms.. - 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 105 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 1ms.. - 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 105 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 1ms.. - 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: 882572.0ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 19.8ms, PartialOrderReductionTime: 12625.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 32, 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: 43.4ms SsaConstructionTime, 3073.5ms SatisfiabilityAnalysisTime, 54369.5ms InterpolantComputationTime, 304 NumberOfCodeBlocks, 304 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 301 ConstructedInterpolants, 0 QuantifiedInterpolants, 4548 SizeOfPredicates, 43 NumberOfNonLiveVariables, 438 ConjunctsInSsa, 91 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 4/9 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