/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/gcd-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-07 21:59:58,194 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-07 21:59:58,195 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-07 21:59:58,221 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-07 21:59:58,250 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-07 21:59:58,250 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-07 21:59:58,251 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-07 21:59:58,252 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf [2021-08-07 21:59:58,272 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-07 21:59:58,273 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-07 21:59:58,273 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-07 21:59:58,273 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-07 21:59:58,274 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-07 21:59:58,274 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-07 21:59:58,274 INFO L138 SettingsManager]: * Use SBE=true [2021-08-07 21:59:58,274 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-07 21:59:58,275 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-07 21:59:58,275 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-07 21:59:58,275 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-07 21:59:58,275 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-07 21:59:58,275 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-07 21:59:58,275 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-07 21:59:58,276 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-07 21:59:58,276 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-07 21:59:58,276 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-07 21:59:58,276 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-07 21:59:58,276 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-07 21:59:58,276 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-07 21:59:58,276 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-07 21:59:58,277 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-07 21:59:58,277 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-07 21:59:58,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 21:59:58,277 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-07 21:59:58,277 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-07 21:59:58,277 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-07 21:59:58,278 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-07 21:59:58,278 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-08-07 21:59:58,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-07 21:59:58,278 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-07 21:59:58,278 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-07 21:59:58,278 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-07 21:59:58,278 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-08-07 21:59:58,279 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-07 21:59:58,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-07 21:59:58,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-07 21:59:58,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-07 21:59:58,579 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-07 21:59:58,579 INFO L275 PluginConnector]: CDTParser initialized [2021-08-07 21:59:58,580 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/gcd-2.i [2021-08-07 21:59:58,633 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/433e95d60/7499c47239ff4b9bacbb76f88eb5f24e/FLAGe843c69ed [2021-08-07 21:59:59,115 INFO L306 CDTParser]: Found 1 translation units. [2021-08-07 21:59:59,115 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/gcd-2.i [2021-08-07 21:59:59,132 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/433e95d60/7499c47239ff4b9bacbb76f88eb5f24e/FLAGe843c69ed [2021-08-07 21:59:59,605 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/433e95d60/7499c47239ff4b9bacbb76f88eb5f24e [2021-08-07 21:59:59,607 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-07 21:59:59,608 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-07 21:59:59,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-07 21:59:59,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-07 21:59:59,612 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-07 21:59:59,613 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 09:59:59" (1/1) ... [2021-08-07 21:59:59,614 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ce38187 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 09:59:59, skipping insertion in model container [2021-08-07 21:59:59,614 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 09:59:59" (1/1) ... [2021-08-07 21:59:59,619 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-07 21:59:59,652 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-07 21:59:59,761 WARN L224 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] [2021-08-07 21:59:59,866 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-07 21:59:59,872 INFO L203 MainTranslator]: Completed pre-run [2021-08-07 21:59:59,881 WARN L224 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] [2021-08-07 21:59:59,906 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-07 21:59:59,971 INFO L208 MainTranslator]: Completed translation [2021-08-07 21:59:59,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 09:59:59 WrapperNode [2021-08-07 21:59:59,971 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-07 21:59:59,973 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-07 21:59:59,973 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-07 21:59:59,973 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-07 21:59:59,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 09:59:59" (1/1) ... [2021-08-07 22:00:00,008 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 09:59:59" (1/1) ... [2021-08-07 22:00:00,034 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-07 22:00:00,034 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-07 22:00:00,035 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-07 22:00:00,035 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-07 22:00:00,041 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 09:59:59" (1/1) ... [2021-08-07 22:00:00,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 09:59:59" (1/1) ... [2021-08-07 22:00:00,044 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 09:59:59" (1/1) ... [2021-08-07 22:00:00,044 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 09:59:59" (1/1) ... [2021-08-07 22:00:00,049 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 09:59:59" (1/1) ... [2021-08-07 22:00:00,052 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 09:59:59" (1/1) ... [2021-08-07 22:00:00,054 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 09:59:59" (1/1) ... [2021-08-07 22:00:00,057 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-07 22:00:00,058 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-07 22:00:00,058 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-07 22:00:00,058 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-07 22:00:00,059 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 09:59:59" (1/1) ... [2021-08-07 22:00:00,065 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 22:00:00,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 22:00:00,096 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) [2021-08-07 22:00:00,105 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 [2021-08-07 22:00:00,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-07 22:00:00,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-07 22:00:00,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-07 22:00:00,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-07 22:00:00,147 INFO L130 BoogieDeclarations]: Found specification of procedure dec_a [2021-08-07 22:00:00,147 INFO L138 BoogieDeclarations]: Found implementation of procedure dec_a [2021-08-07 22:00:00,147 INFO L130 BoogieDeclarations]: Found specification of procedure dec_b [2021-08-07 22:00:00,148 INFO L138 BoogieDeclarations]: Found implementation of procedure dec_b [2021-08-07 22:00:00,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-07 22:00:00,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-07 22:00:00,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-07 22:00:00,150 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-07 22:00:00,653 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-07 22:00:00,653 INFO L299 CfgBuilder]: Removed 26 assume(true) statements. [2021-08-07 22:00:00,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 10:00:00 BoogieIcfgContainer [2021-08-07 22:00:00,656 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-07 22:00:00,657 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-07 22:00:00,657 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-07 22:00:00,659 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-07 22:00:00,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.08 09:59:59" (1/3) ... [2021-08-07 22:00:00,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@de29498 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 10:00:00, skipping insertion in model container [2021-08-07 22:00:00,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 09:59:59" (2/3) ... [2021-08-07 22:00:00,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@de29498 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 10:00:00, skipping insertion in model container [2021-08-07 22:00:00,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 10:00:00" (3/3) ... [2021-08-07 22:00:00,662 INFO L111 eAbstractionObserver]: Analyzing ICFG gcd-2.i [2021-08-07 22:00:00,666 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-07 22:00:00,666 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-07 22:00:00,666 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-07 22:00:00,667 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-07 22:00:00,704 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:00:00,704 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:00:00,704 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:00:00,704 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:00:00,705 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:00:00,705 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:00:00,705 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:00:00,705 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:00:00,705 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:00:00,705 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:00:00,706 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:00:00,706 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:00:00,706 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:00:00,706 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:00:00,706 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:00:00,707 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:00:00,707 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:00:00,707 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:00:00,707 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:00:00,707 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:00:00,707 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:00:00,707 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:00:00,708 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:00:00,708 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:00:00,710 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:00:00,711 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:00:00,711 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:00:00,711 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:00:00,725 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:00:00,726 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:00:00,726 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:00:00,726 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:00:00,752 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-08-07 22:00:00,815 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 22:00:00,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 22:00:00,817 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) [2021-08-07 22:00:00,818 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 [2021-08-07 22:00:00,856 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-07 22:00:00,861 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 [2021-08-07 22:00:00,861 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-08-07 22:00:01,041 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-08-07 22:00:01,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 22:00:01,049 INFO L82 PathProgramCache]: Analyzing trace with hash -1387261979, now seen corresponding path program 1 times [2021-08-07 22:00:01,057 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 22:00:01,058 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577818402] [2021-08-07 22:00:01,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 22:00:01,058 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 22:00:01,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 22:00:01,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 22:00:01,273 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 22:00:01,274 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577818402] [2021-08-07 22:00:01,275 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577818402] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 22:00:01,275 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 22:00:01,276 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-07 22:00:01,277 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458814558] [2021-08-07 22:00:01,283 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-07 22:00:01,283 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 22:00:01,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-07 22:00:01,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-07 22:00:01,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:00:01,301 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 22:00:01,304 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 46.5) internal successors, (93), 2 states have internal predecessors, (93), 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) [2021-08-07 22:00:01,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:00:01,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:00:01,328 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-07 22:00:01,329 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)] === [2021-08-07 22:00:01,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 22:00:01,333 INFO L82 PathProgramCache]: Analyzing trace with hash 1583094514, now seen corresponding path program 1 times [2021-08-07 22:00:01,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 22:00:01,333 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931177360] [2021-08-07 22:00:01,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 22:00:01,334 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 22:00:01,391 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-07 22:00:01,392 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2135164812] [2021-08-07 22:00:01,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 22:00:01,392 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 22:00:01,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 22:00:01,394 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) [2021-08-07 22:00:01,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-07 22:00:01,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 22:00:01,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 26 conjunts are in the unsatisfiable core [2021-08-07 22:00:01,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 22:00:03,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 22:00:03,015 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 22:00:03,016 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931177360] [2021-08-07 22:00:03,016 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-08-07 22:00:03,016 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2135164812] [2021-08-07 22:00:03,016 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2135164812] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 22:00:03,016 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 22:00:03,016 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-08-07 22:00:03,017 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594022946] [2021-08-07 22:00:03,019 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-08-07 22:00:03,019 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 22:00:03,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-07 22:00:03,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2021-08-07 22:00:03,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:00:03,029 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 22:00:03,029 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.866666666666666) internal successors, (88), 15 states have internal predecessors, (88), 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) [2021-08-07 22:00:03,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:00:03,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:00:03,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:00:03,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 22:00:03,761 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-07 22:00:03,942 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 [2021-08-07 22:00:03,943 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-08-07 22:00:03,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 22:00:03,944 INFO L82 PathProgramCache]: Analyzing trace with hash 1382765887, now seen corresponding path program 1 times [2021-08-07 22:00:03,944 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 22:00:03,944 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823112934] [2021-08-07 22:00:03,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 22:00:03,944 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 22:00:03,970 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-07 22:00:03,970 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1772811959] [2021-08-07 22:00:03,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 22:00:03,970 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 22:00:03,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 22:00:03,971 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) [2021-08-07 22:00:03,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-07 22:00:04,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 22:00:04,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 30 conjunts are in the unsatisfiable core [2021-08-07 22:00:04,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 22:00:05,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 22:00:05,140 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 22:00:05,140 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823112934] [2021-08-07 22:00:05,140 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-08-07 22:00:05,140 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1772811959] [2021-08-07 22:00:05,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1772811959] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 22:00:05,141 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 22:00:05,141 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-08-07 22:00:05,141 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020656966] [2021-08-07 22:00:05,142 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-08-07 22:00:05,142 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 22:00:05,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-08-07 22:00:05,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2021-08-07 22:00:05,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:00:05,144 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 22:00:05,144 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.75) internal successors, (92), 16 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) [2021-08-07 22:00:05,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:00:05,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 22:00:05,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:00:06,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:00:06,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 22:00:06,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-07 22:00:06,333 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-07 22:00:06,517 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 [2021-08-07 22:00:06,517 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)] === [2021-08-07 22:00:06,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 22:00:06,518 INFO L82 PathProgramCache]: Analyzing trace with hash -698547085, now seen corresponding path program 1 times [2021-08-07 22:00:06,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 22:00:06,518 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097914393] [2021-08-07 22:00:06,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 22:00:06,518 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 22:00:06,539 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-07 22:00:06,540 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [453244342] [2021-08-07 22:00:06,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 22:00:06,540 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 22:00:06,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 22:00:06,541 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) [2021-08-07 22:00:06,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-07 22:00:06,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 22:00:06,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 43 conjunts are in the unsatisfiable core [2021-08-07 22:00:06,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 22:00:08,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 22:00:08,601 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 22:00:08,601 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097914393] [2021-08-07 22:00:08,601 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-08-07 22:00:08,601 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453244342] [2021-08-07 22:00:08,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [453244342] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 22:00:08,601 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 22:00:08,601 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-08-07 22:00:08,602 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477154239] [2021-08-07 22:00:08,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-08-07 22:00:08,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 22:00:08,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-08-07 22:00:08,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=412, Unknown=0, NotChecked=0, Total=462 [2021-08-07 22:00:08,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:00:08,603 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 22:00:08,604 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.363636363636363) internal successors, (96), 22 states have internal predecessors, (96), 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) [2021-08-07 22:00:08,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:00:08,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 22:00:08,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-07 22:00:08,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:00:10,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:00:10,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 22:00:10,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-07 22:00:10,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-08-07 22:00:10,786 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-08-07 22:00:10,960 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 [2021-08-07 22:00:10,960 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-08-07 22:00:10,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 22:00:10,961 INFO L82 PathProgramCache]: Analyzing trace with hash -1994504978, now seen corresponding path program 1 times [2021-08-07 22:00:10,961 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 22:00:10,961 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827299756] [2021-08-07 22:00:10,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 22:00:10,961 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 22:00:10,987 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-07 22:00:10,987 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1891748130] [2021-08-07 22:00:10,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 22:00:10,988 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 22:00:10,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 22:00:10,996 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 22:00:11,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-07 22:00:11,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 22:00:11,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 36 conjunts are in the unsatisfiable core [2021-08-07 22:00:11,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 22:00:15,349 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 22:00:15,350 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 22:00:15,350 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827299756] [2021-08-07 22:00:15,350 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-08-07 22:00:15,350 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1891748130] [2021-08-07 22:00:15,350 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1891748130] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 22:00:15,350 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-08-07 22:00:15,350 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2021-08-07 22:00:15,351 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483182475] [2021-08-07 22:00:15,351 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-08-07 22:00:15,351 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 22:00:15,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-07 22:00:15,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=342, Unknown=0, NotChecked=0, Total=380 [2021-08-07 22:00:15,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:00:15,352 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 22:00:15,352 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 4.5) internal successors, (90), 20 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 22:00:15,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:00:15,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 22:00:15,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-07 22:00:15,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-08-07 22:00:15,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:00:37,678 WARN L207 SmtUtils]: Spent 14.40 s on a formula simplification. DAG size of input: 88 DAG size of output: 69 [2021-08-07 22:00:56,700 WARN L207 SmtUtils]: Spent 16.80 s on a formula simplification. DAG size of input: 82 DAG size of output: 66 [2021-08-07 22:01:23,906 WARN L207 SmtUtils]: Spent 24.62 s on a formula simplification. DAG size of input: 74 DAG size of output: 63 [2021-08-07 22:01:44,721 WARN L207 SmtUtils]: Spent 17.57 s on a formula simplification. DAG size of input: 77 DAG size of output: 65 [2021-08-07 22:01:59,453 WARN L207 SmtUtils]: Spent 10.50 s on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2021-08-07 22:02:10,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:02:10,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 22:02:10,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-07 22:02:10,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-08-07 22:02:10,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-07 22:02:10,743 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-07 22:02:10,936 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 22:02:10,936 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-08-07 22:02:10,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 22:02:10,936 INFO L82 PathProgramCache]: Analyzing trace with hash -1680858821, now seen corresponding path program 1 times [2021-08-07 22:02:10,937 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 22:02:10,937 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085874498] [2021-08-07 22:02:10,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 22:02:10,937 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 22:02:10,956 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-07 22:02:10,956 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1117253290] [2021-08-07 22:02:10,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 22:02:10,956 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 22:02:10,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 22:02:10,970 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 22:02:11,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-07 22:02:11,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 22:02:11,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 28 conjunts are in the unsatisfiable core [2021-08-07 22:02:11,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 22:02:12,670 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-07 22:02:12,670 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 22:02:12,671 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085874498] [2021-08-07 22:02:12,671 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-08-07 22:02:12,671 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1117253290] [2021-08-07 22:02:12,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1117253290] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 22:02:12,671 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 22:02:12,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-08-07 22:02:12,671 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214038411] [2021-08-07 22:02:12,671 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-08-07 22:02:12,672 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 22:02:12,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-08-07 22:02:12,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2021-08-07 22:02:12,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:02:12,672 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 22:02:12,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.875) internal successors, (94), 16 states have internal predecessors, (94), 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) [2021-08-07 22:02:12,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:02:12,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 22:02:12,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-08-07 22:02:12,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-08-07 22:02:12,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-07 22:02:12,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:02:14,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:02:14,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 22:02:14,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 22:02:14,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-08-07 22:02:14,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-07 22:02:14,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-07 22:02:14,576 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-07 22:02:14,770 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 22:02:14,770 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-08-07 22:02:14,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 22:02:14,771 INFO L82 PathProgramCache]: Analyzing trace with hash 138637935, now seen corresponding path program 1 times [2021-08-07 22:02:14,771 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 22:02:14,771 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544110951] [2021-08-07 22:02:14,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 22:02:14,771 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 22:02:14,803 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-07 22:02:14,804 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2139768262] [2021-08-07 22:02:14,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 22:02:14,804 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 22:02:14,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 22:02:14,809 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 22:02:14,810 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-07 22:02:15,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 22:02:15,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 40 conjunts are in the unsatisfiable core [2021-08-07 22:02:15,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 22:02:53,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 22:02:53,032 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 22:02:53,032 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544110951] [2021-08-07 22:02:53,032 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-08-07 22:02:53,032 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139768262] [2021-08-07 22:02:53,032 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2139768262] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 22:02:53,032 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 22:02:53,032 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-08-07 22:02:53,033 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083384366] [2021-08-07 22:02:53,033 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-08-07 22:02:53,033 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 22:02:53,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-08-07 22:02:53,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=361, Unknown=10, NotChecked=0, Total=420 [2021-08-07 22:02:53,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:02:53,034 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 22:02:53,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.666666666666667) internal successors, (98), 21 states have internal predecessors, (98), 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) [2021-08-07 22:02:53,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:02:53,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 22:02:53,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-07 22:02:53,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-08-07 22:02:53,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-08-07 22:02:53,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-07 22:02:53,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:05:24,806 WARN L207 SmtUtils]: Spent 36.13 s on a formula simplification. DAG size of input: 118 DAG size of output: 108 [2021-08-07 22:05:29,715 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (mod c_ULTIMATE.start_main_~b_in~0 4294967296))) (let ((.cse1 (< 0 .cse0)) (.cse35 (mod c_ULTIMATE.start_check_gcd_~b_in 4294967296)) (.cse14 (mod |c_ULTIMATE.start_check_gcd_#in~b_in| 4294967296)) (.cse36 (mod |c_ULTIMATE.start_check_gcd_#in~gcd| 4294967296))) (and (< .cse0 (mod (+ c_ULTIMATE.start_main_~b_in~0 c_~a~0) 4294967296)) (= c_ULTIMATE.start_main_~b_in~0 |c_ULTIMATE.start_start_#in~b_in|) (< .cse0 (mod (+ c_ULTIMATE.start_main_~b_in~0 |c_ULTIMATE.start_start_#res|) 4294967296)) .cse1 (exists ((aux_div_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103 Int) (aux_div_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58 Int)) (and (or (and (exists ((aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 Int) (aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130 Int) (aux_div_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 Int)) (let ((.cse2 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93)) (.cse7 (* 4294967296 aux_div_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103)) (.cse3 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130))) (let ((.cse4 (+ .cse2 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 .cse7 .cse3)) (.cse6 (+ .cse2 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93)) (.cse5 (* 4294967296 c_ULTIMATE.start_check_gcd_~gcd))) (and (< aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 4294967296) (= (mod (mod aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 (mod c_ULTIMATE.start_check_gcd_~guessed_gcd~0 4294967296)) 4294967296) 0) (< (+ .cse2 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 .cse3) (+ (* 4294967295 c_ULTIMATE.start_check_gcd_~gcd) 4294967296)) (<= .cse4 (+ .cse5 (mod c_ULTIMATE.start_check_gcd_~gcd 4294967296))) (< .cse6 4294967296) (<= 0 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93) (<= .cse5 .cse4) (< 0 .cse6) (<= .cse5 (+ (* 4294967296 aux_div_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58) .cse2 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 .cse7 .cse3)))))) (= c_ULTIMATE.start_assume_abort_if_not_~cond 1)) (and (= c_ULTIMATE.start_assume_abort_if_not_~cond 0) (exists ((aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 Int) (aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130 Int) (aux_div_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 Int)) (let ((.cse8 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93)) (.cse13 (* 4294967296 aux_div_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103)) (.cse9 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130))) (let ((.cse10 (+ .cse8 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 .cse13 .cse9)) (.cse12 (+ .cse8 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93)) (.cse11 (* 4294967296 c_ULTIMATE.start_check_gcd_~gcd))) (and (< aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 4294967296) (not (= (mod (mod aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 (mod c_ULTIMATE.start_check_gcd_~guessed_gcd~0 4294967296)) 4294967296) 0)) (< (+ .cse8 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 .cse9) (+ (* 4294967295 c_ULTIMATE.start_check_gcd_~gcd) 4294967296)) (<= .cse10 (+ .cse11 (mod c_ULTIMATE.start_check_gcd_~gcd 4294967296))) (< .cse12 4294967296) (<= 0 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93) (<= .cse11 .cse10) (< 0 .cse12) (<= .cse11 (+ (* 4294967296 aux_div_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58) .cse8 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 .cse13 .cse9)))))))) (< (+ (* 4294967296 aux_div_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58) (* 4294967296 aux_div_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103)) c_ULTIMATE.start_check_gcd_~gcd))) (< .cse0 (mod (+ |c_ULTIMATE.start_main_#t~ret14| c_ULTIMATE.start_main_~b_in~0) 4294967296)) (= c_ULTIMATE.start_main_~b_in~0 c_~b~0) (< .cse14 (mod (+ |c_ULTIMATE.start_check_gcd_#in~b_in| |c_ULTIMATE.start_check_gcd_#in~gcd|) 4294967296)) (exists ((aux_div_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103 Int) (aux_div_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58 Int)) (and (< (+ (* 4294967296 aux_div_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58) (* 4294967296 aux_div_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103)) c_ULTIMATE.start_check_gcd_~gcd) (or (and (exists ((aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 Int) (aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130 Int) (aux_div_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 Int)) (let ((.cse15 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93)) (.cse20 (* 4294967296 aux_div_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103)) (.cse16 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130))) (let ((.cse17 (+ .cse15 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 .cse20 .cse16)) (.cse19 (+ .cse15 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93)) (.cse18 (* 4294967296 c_ULTIMATE.start_check_gcd_~gcd))) (and (< aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 4294967296) (not (= (mod (mod aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 (mod c_ULTIMATE.start_check_gcd_~guessed_gcd~0 4294967296)) 4294967296) 0)) (< (+ .cse15 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 .cse16) (+ (* 4294967295 c_ULTIMATE.start_check_gcd_~gcd) 4294967296)) (<= .cse17 (+ .cse18 (mod c_ULTIMATE.start_check_gcd_~gcd 4294967296))) (< .cse19 4294967296) (<= 0 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93) (<= .cse18 .cse17) (< 0 .cse19) (<= .cse18 (+ (* 4294967296 aux_div_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58) .cse15 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 .cse20 .cse16)))))) (= |c_ULTIMATE.start_assume_abort_if_not_#in~cond| 0)) (and (exists ((aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 Int) (aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130 Int) (aux_div_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 Int)) (let ((.cse21 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93)) (.cse26 (* 4294967296 aux_div_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103)) (.cse22 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130))) (let ((.cse23 (+ .cse21 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 .cse26 .cse22)) (.cse25 (+ .cse21 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93)) (.cse24 (* 4294967296 c_ULTIMATE.start_check_gcd_~gcd))) (and (< aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 4294967296) (= (mod (mod aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 (mod c_ULTIMATE.start_check_gcd_~guessed_gcd~0 4294967296)) 4294967296) 0) (< (+ .cse21 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 .cse22) (+ (* 4294967295 c_ULTIMATE.start_check_gcd_~gcd) 4294967296)) (<= .cse23 (+ .cse24 (mod c_ULTIMATE.start_check_gcd_~gcd 4294967296))) (< .cse25 4294967296) (<= 0 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93) (<= .cse24 .cse23) (< 0 .cse25) (<= .cse24 (+ (* 4294967296 aux_div_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58) .cse21 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 .cse26 .cse22)))))) (= |c_ULTIMATE.start_assume_abort_if_not_#in~cond| 1))))) (<= .cse0 (mod c_~a~0 4294967296)) (or (and .cse1 (= c_ULTIMATE.start_assume_abort_if_not_~cond 1)) (and (= c_ULTIMATE.start_assume_abort_if_not_~cond 0) (<= .cse0 0))) (< 0 .cse14) (let ((.cse27 (mod c_~b~0 4294967296))) (or (< .cse27 (mod (+ c_~b~0 c_~a~0) 4294967296)) (< (div (+ c_~a~0 (* .cse27 (- 1))) 4294967296) (div c_~a~0 4294967296)))) (<= .cse0 (mod |c_ULTIMATE.start_main_#t~ret14| 4294967296)) (exists ((aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 Int) (aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130 Int) (aux_div_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103 Int) (aux_div_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 Int) (aux_div_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58 Int)) (let ((.cse28 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93)) (.cse31 (* 4294967296 aux_div_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103)) (.cse29 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130))) (let ((.cse32 (+ .cse28 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 .cse31 .cse29)) (.cse34 (+ .cse28 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93)) (.cse33 (* 4294967296 c_ULTIMATE.start_check_gcd_~gcd)) (.cse30 (* 4294967296 aux_div_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58))) (and (< aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 4294967296) (= (mod (mod aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 (mod c_ULTIMATE.start_check_gcd_~guessed_gcd~0 4294967296)) 4294967296) 0) (< (+ .cse28 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 .cse29) (+ (* 4294967295 c_ULTIMATE.start_check_gcd_~gcd) 4294967296)) (< (+ .cse30 .cse31) c_ULTIMATE.start_check_gcd_~gcd) (<= .cse32 (+ .cse33 (mod c_ULTIMATE.start_check_gcd_~gcd 4294967296))) (< .cse34 4294967296) (<= 0 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93) (<= .cse33 .cse32) (< 0 .cse34) (<= .cse33 (+ .cse30 .cse28 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 .cse31 .cse29)))))) (< .cse35 (mod (+ c_ULTIMATE.start_check_gcd_~b_in |c_ULTIMATE.start_check_gcd_#in~gcd|) 4294967296)) (= c_ULTIMATE.start_start_~b_in c_ULTIMATE.start_main_~b_in~0) (< .cse35 (mod (+ c_ULTIMATE.start_check_gcd_~b_in c_ULTIMATE.start_check_gcd_~gcd) 4294967296)) (< 0 .cse35) (<= .cse35 .cse36) (<= .cse35 (mod c_ULTIMATE.start_check_gcd_~gcd 4294967296)) (<= .cse14 .cse36) (<= .cse0 (mod |c_ULTIMATE.start_start_#res| 4294967296))))) is different from false [2021-08-07 22:05:34,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:05:34,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 22:05:34,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 22:05:34,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-08-07 22:05:34,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-08-07 22:05:34,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-07 22:05:34,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-08-07 22:05:34,132 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-08-07 22:05:34,313 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 22:05:34,313 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-08-07 22:05:34,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 22:05:34,314 INFO L82 PathProgramCache]: Analyzing trace with hash 565207884, now seen corresponding path program 2 times [2021-08-07 22:05:34,314 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 22:05:34,314 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45265894] [2021-08-07 22:05:34,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 22:05:34,314 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 22:05:34,342 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-07 22:05:34,343 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1471465242] [2021-08-07 22:05:34,343 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-07 22:05:34,343 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 22:05:34,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 22:05:34,346 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 22:05:34,352 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-08-07 22:05:36,348 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-07 22:05:36,348 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 22:05:36,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 43 conjunts are in the unsatisfiable core [2021-08-07 22:05:36,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 22:05:46,718 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 22:05:46,719 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 22:05:46,719 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45265894] [2021-08-07 22:05:46,719 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-08-07 22:05:46,719 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1471465242] [2021-08-07 22:05:46,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1471465242] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 22:05:46,719 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-08-07 22:05:46,719 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2021-08-07 22:05:46,719 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761035634] [2021-08-07 22:05:46,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-08-07 22:05:46,720 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 22:05:46,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-08-07 22:05:46,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=536, Unknown=0, NotChecked=0, Total=600 [2021-08-07 22:05:46,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:05:46,721 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 22:05:46,721 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 3.68) internal successors, (92), 25 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) [2021-08-07 22:05:46,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:05:46,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-08-07 22:05:46,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-08-07 22:05:46,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-08-07 22:05:46,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-08-07 22:05:46,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-07 22:05:46,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-08-07 22:05:46,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:05:56,395 WARN L207 SmtUtils]: Spent 5.53 s on a formula simplification. DAG size of input: 78 DAG size of output: 48 [2021-08-07 22:06:30,943 WARN L207 SmtUtils]: Spent 32.07 s on a formula simplification. DAG size of input: 89 DAG size of output: 61 [2021-08-07 22:08:05,319 WARN L207 SmtUtils]: Spent 1.51 m on a formula simplification. DAG size of input: 100 DAG size of output: 75 [2021-08-07 22:10:09,652 WARN L207 SmtUtils]: Spent 1.64 m on a formula simplification. DAG size of input: 113 DAG size of output: 83 [2021-08-07 22:14:16,811 WARN L207 SmtUtils]: Spent 3.88 m on a formula simplification. DAG size of input: 119 DAG size of output: 86 [2021-08-07 22:14:22,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:14:22,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-07 22:14:22,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-07 22:14:22,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-08-07 22:14:22,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-08-07 22:14:22,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-07 22:14:22,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-08-07 22:14:22,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-08-07 22:14:22,125 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-08-07 22:14:22,328 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-08-07 22:14:22,331 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-08-07 22:14:22,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 22:14:22,331 INFO L82 PathProgramCache]: Analyzing trace with hash -566992342, now seen corresponding path program 3 times [2021-08-07 22:14:22,331 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 22:14:22,331 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988641638] [2021-08-07 22:14:22,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 22:14:22,332 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 22:14:22,366 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-07 22:14:22,366 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [184599149] [2021-08-07 22:14:22,366 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-07 22:14:22,366 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 22:14:22,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 22:14:22,372 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 22:14:22,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process Received shutdown request... [2021-08-07 22:14:28,580 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 [2021-08-07 22:14:28,580 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 [2021-08-07 22:14:28,587 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-07 22:14:29,616 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2021-08-07 22:14:29,781 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 [2021-08-07 22:14:29,790 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forcibly destroying the process [2021-08-07 22:14:29,795 ERROR L247 FreeRefinementEngine]: Caught known exception: Timeout or Toolchain cancelled by user [2021-08-07 22:14:29,797 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-07 22:14:29,798 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forcibly destroying the process [2021-08-07 22:14:29,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 22:14:29,798 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 95 with TraceHistMax 3,while AutomatonFreeRefinementEngine was Timeout during CAMEL. [2021-08-07 22:14:29,800 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-08-07 22:14:29,800 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-08-07 22:14:29,800 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-07 22:14:29,800 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-07 22:14:29,806 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-07 22:14:29,806 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-07 22:14:29,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.08 10:14:29 BasicIcfg [2021-08-07 22:14:29,808 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-07 22:14:29,808 INFO L168 Benchmark]: Toolchain (without parser) took 870200.76 ms. Allocated memory was 206.6 MB in the beginning and 338.7 MB in the end (delta: 132.1 MB). Free memory was 170.0 MB in the beginning and 223.8 MB in the end (delta: -53.8 MB). Peak memory consumption was 79.2 MB. Max. memory is 8.0 GB. [2021-08-07 22:14:29,809 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 206.6 MB. Free memory is still 188.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-07 22:14:29,809 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.97 ms. Allocated memory is still 206.6 MB. Free memory was 169.8 MB in the beginning and 184.8 MB in the end (delta: -14.9 MB). Peak memory consumption was 21.2 MB. Max. memory is 8.0 GB. [2021-08-07 22:14:29,809 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.29 ms. Allocated memory is still 206.6 MB. Free memory was 184.8 MB in the beginning and 182.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-07 22:14:29,809 INFO L168 Benchmark]: Boogie Preprocessor took 22.83 ms. Allocated memory is still 206.6 MB. Free memory was 182.2 MB in the beginning and 180.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-07 22:14:29,809 INFO L168 Benchmark]: RCFGBuilder took 597.82 ms. Allocated memory is still 206.6 MB. Free memory was 180.6 MB in the beginning and 147.0 MB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 8.0 GB. [2021-08-07 22:14:29,809 INFO L168 Benchmark]: TraceAbstraction took 869150.99 ms. Allocated memory was 206.6 MB in the beginning and 338.7 MB in the end (delta: 132.1 MB). Free memory was 146.5 MB in the beginning and 223.8 MB in the end (delta: -77.3 MB). Peak memory consumption was 55.9 MB. Max. memory is 8.0 GB. [2021-08-07 22:14:29,809 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 137 [2021-08-07 22:14:29,810 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 206.6 MB. Free memory is still 188.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 362.97 ms. Allocated memory is still 206.6 MB. Free memory was 169.8 MB in the beginning and 184.8 MB in the end (delta: -14.9 MB). Peak memory consumption was 21.2 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 61.29 ms. Allocated memory is still 206.6 MB. Free memory was 184.8 MB in the beginning and 182.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 22.83 ms. Allocated memory is still 206.6 MB. Free memory was 182.2 MB in the beginning and 180.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 597.82 ms. Allocated memory is still 206.6 MB. Free memory was 180.6 MB in the beginning and 147.0 MB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 869150.99 ms. Allocated memory was 206.6 MB in the beginning and 338.7 MB in the end (delta: 132.1 MB). Free memory was 146.5 MB in the beginning and 223.8 MB in the end (delta: -77.3 MB). Peak memory consumption was 55.9 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: 2832, positive: 2442, positive conditional: 1313, positive unconditional: 1129, negative: 390, negative conditional: 382, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2458, positive: 2442, positive conditional: 1313, positive unconditional: 1129, negative: 16, negative conditional: 8, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2458, positive: 2442, positive conditional: 1313, positive unconditional: 1129, negative: 16, negative conditional: 8, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2511, positive: 2442, positive conditional: 1290, positive unconditional: 1152, negative: 69, negative conditional: 53, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2511, positive: 2442, positive conditional: 329, positive unconditional: 2113, negative: 69, negative conditional: 0, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2511, positive: 2442, positive conditional: 329, positive unconditional: 2113, negative: 69, negative conditional: 0, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1130, positive: 1122, positive conditional: 16, positive unconditional: 1106, 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: 1130, positive: 1121, positive conditional: 0, positive unconditional: 1121, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 9, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 78, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2511, positive: 1320, positive conditional: 313, positive unconditional: 1007, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 1130, unknown conditional: 16, unknown unconditional: 1114] , Statistics on independence cache: Total cache size (in pairs): 1130, Positive cache size: 1122, Positive conditional cache size: 16, Positive unconditional cache size: 1106, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Eliminated conditions: 1014, Maximal queried relation: 8, Independence queries for same thread: 374 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 150, Number of persistent set computation: 164, Number of trivial persistent sets: 164, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1137, positive: 1129, positive conditional: 0, positive unconditional: 1129, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2832, positive: 2442, positive conditional: 1313, positive unconditional: 1129, negative: 390, negative conditional: 382, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2458, positive: 2442, positive conditional: 1313, positive unconditional: 1129, negative: 16, negative conditional: 8, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2458, positive: 2442, positive conditional: 1313, positive unconditional: 1129, negative: 16, negative conditional: 8, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2511, positive: 2442, positive conditional: 1290, positive unconditional: 1152, negative: 69, negative conditional: 53, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2511, positive: 2442, positive conditional: 329, positive unconditional: 2113, negative: 69, negative conditional: 0, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2511, positive: 2442, positive conditional: 329, positive unconditional: 2113, negative: 69, negative conditional: 0, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1130, positive: 1122, positive conditional: 16, positive unconditional: 1106, 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: 1130, positive: 1121, positive conditional: 0, positive unconditional: 1121, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 9, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 78, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2511, positive: 1320, positive conditional: 313, positive unconditional: 1007, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 1130, unknown conditional: 16, unknown unconditional: 1114] , Statistics on independence cache: Total cache size (in pairs): 1130, Positive cache size: 1122, Positive conditional cache size: 16, Positive unconditional cache size: 1106, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Eliminated conditions: 1014, Maximal queried relation: 8, Independence queries for same thread: 374 - 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 95 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 95 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 95 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 95 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 95 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: 868992.6ms, OverallIterations: 9, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 30.7ms, PartialOrderReductionTime: 797933.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 172, 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: 103.2ms SsaConstructionTime, 2124.2ms SatisfiabilityAnalysisTime, 57646.4ms InterpolantComputationTime, 743 NumberOfCodeBlocks, 743 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 735 ConstructedInterpolants, 12 QuantifiedInterpolants, 9331 SizeOfPredicates, 121 NumberOfNonLiveVariables, 1376 ConjunctsInSsa, 246 ConjunctsInUnsatCore, 8 InterpolantComputations, 6 PerfectInterpolantSequences, 2/7 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