/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/gcd-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2ce48c3f3f8970e6bfb7f04ced506932607c57fe-2ce48c3 [2021-10-22 20:35:43,309 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-22 20:35:43,311 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-22 20:35:43,372 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-22 20:35:43,413 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-22 20:35:43,413 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-22 20:35:43,414 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-22 20:35:43,414 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe-Random7777.epf [2021-10-22 20:35:43,438 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-22 20:35:43,438 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-22 20:35:43,438 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-22 20:35:43,439 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-22 20:35:43,440 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-22 20:35:43,440 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-22 20:35:43,440 INFO L138 SettingsManager]: * Use SBE=true [2021-10-22 20:35:43,440 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-22 20:35:43,440 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-22 20:35:43,440 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-22 20:35:43,441 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-22 20:35:43,441 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-22 20:35:43,441 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-22 20:35:43,441 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-22 20:35:43,441 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-22 20:35:43,441 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-22 20:35:43,441 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-22 20:35:43,441 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-22 20:35:43,441 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-22 20:35:43,441 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-22 20:35:43,442 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-22 20:35:43,442 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-22 20:35:43,442 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-22 20:35:43,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-22 20:35:43,442 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-22 20:35:43,442 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-22 20:35:43,442 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-22 20:35:43,442 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-22 20:35:43,442 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-10-22 20:35:43,443 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-22 20:35:43,443 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-22 20:35:43,443 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-22 20:35:43,443 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-22 20:35:43,443 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-22 20:35:43,443 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-22 20:35:43,443 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-22 20:35:43,443 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 [2021-10-22 20:35:43,443 INFO L138 SettingsManager]: * Use conditional POR in concurrent analysis=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-22 20:35:43,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-22 20:35:43,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-22 20:35:43,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-22 20:35:43,664 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-22 20:35:43,664 INFO L275 PluginConnector]: CDTParser initialized [2021-10-22 20:35:43,665 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/gcd-2.i [2021-10-22 20:35:43,714 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c71012378/c56c2cdc9fc445e0882a4f8320b0108c/FLAG1d697a66e [2021-10-22 20:35:44,144 INFO L306 CDTParser]: Found 1 translation units. [2021-10-22 20:35:44,145 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/gcd-2.i [2021-10-22 20:35:44,160 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c71012378/c56c2cdc9fc445e0882a4f8320b0108c/FLAG1d697a66e [2021-10-22 20:35:44,171 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c71012378/c56c2cdc9fc445e0882a4f8320b0108c [2021-10-22 20:35:44,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-22 20:35:44,174 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-22 20:35:44,177 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-22 20:35:44,177 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-22 20:35:44,179 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-22 20:35:44,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:35:44" (1/1) ... [2021-10-22 20:35:44,180 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67a6d2c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:35:44, skipping insertion in model container [2021-10-22 20:35:44,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:35:44" (1/1) ... [2021-10-22 20:35:44,184 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-22 20:35:44,222 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-22 20:35:44,391 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/gcd-2.i[938,951] [2021-10-22 20:35:44,525 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-22 20:35:44,531 INFO L203 MainTranslator]: Completed pre-run [2021-10-22 20:35:44,539 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/gcd-2.i[938,951] [2021-10-22 20:35:44,559 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-22 20:35:44,582 INFO L208 MainTranslator]: Completed translation [2021-10-22 20:35:44,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:35:44 WrapperNode [2021-10-22 20:35:44,583 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-22 20:35:44,583 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-22 20:35:44,583 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-22 20:35:44,583 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-22 20:35:44,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:35:44" (1/1) ... [2021-10-22 20:35:44,596 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:35:44" (1/1) ... [2021-10-22 20:35:44,612 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-22 20:35:44,612 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-22 20:35:44,612 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-22 20:35:44,612 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-22 20:35:44,618 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:35:44" (1/1) ... [2021-10-22 20:35:44,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:35:44" (1/1) ... [2021-10-22 20:35:44,621 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:35:44" (1/1) ... [2021-10-22 20:35:44,621 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:35:44" (1/1) ... [2021-10-22 20:35:44,625 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:35:44" (1/1) ... [2021-10-22 20:35:44,628 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:35:44" (1/1) ... [2021-10-22 20:35:44,629 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:35:44" (1/1) ... [2021-10-22 20:35:44,631 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-22 20:35:44,632 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-22 20:35:44,632 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-22 20:35:44,632 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-22 20:35:44,633 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:35:44" (1/1) ... [2021-10-22 20:35:44,637 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-22 20:35:44,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 20:35:44,651 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-22 20:35:44,680 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-22 20:35:44,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-22 20:35:44,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-22 20:35:44,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-22 20:35:44,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-22 20:35:44,719 INFO L130 BoogieDeclarations]: Found specification of procedure dec_a [2021-10-22 20:35:44,719 INFO L138 BoogieDeclarations]: Found implementation of procedure dec_a [2021-10-22 20:35:44,719 INFO L130 BoogieDeclarations]: Found specification of procedure dec_b [2021-10-22 20:35:44,719 INFO L138 BoogieDeclarations]: Found implementation of procedure dec_b [2021-10-22 20:35:44,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-22 20:35:44,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-22 20:35:44,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-22 20:35:44,720 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-22 20:35:45,151 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-22 20:35:45,152 INFO L299 CfgBuilder]: Removed 26 assume(true) statements. [2021-10-22 20:35:45,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:35:45 BoogieIcfgContainer [2021-10-22 20:35:45,153 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-22 20:35:45,154 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-22 20:35:45,154 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-22 20:35:45,157 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-22 20:35:45,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:35:44" (1/3) ... [2021-10-22 20:35:45,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c303e81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:35:45, skipping insertion in model container [2021-10-22 20:35:45,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:35:44" (2/3) ... [2021-10-22 20:35:45,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c303e81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:35:45, skipping insertion in model container [2021-10-22 20:35:45,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:35:45" (3/3) ... [2021-10-22 20:35:45,161 INFO L111 eAbstractionObserver]: Analyzing ICFG gcd-2.i [2021-10-22 20:35:45,164 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-22 20:35:45,164 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-22 20:35:45,165 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-22 20:35:45,165 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-22 20:35:45,203 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 20:35:45,203 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 20:35:45,203 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 20:35:45,203 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 20:35:45,203 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 20:35:45,203 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 20:35:45,204 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 20:35:45,204 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 20:35:45,204 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 20:35:45,204 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 20:35:45,204 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 20:35:45,204 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 20:35:45,205 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 20:35:45,205 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 20:35:45,205 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 20:35:45,205 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 20:35:45,205 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 20:35:45,205 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 20:35:45,205 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 20:35:45,205 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 20:35:45,205 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 20:35:45,206 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 20:35:45,206 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 20:35:45,206 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 20:35:45,208 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 20:35:45,208 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 20:35:45,208 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 20:35:45,208 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 20:35:45,212 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 20:35:45,212 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 20:35:45,213 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 20:35:45,213 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 20:35:45,220 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-10-22 20:35:45,251 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-22 20:35:45,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 20:35:45,252 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-22 20:35:45,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-10-22 20:35:45,269 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-22 20:35:45,280 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-22 20:35:45,280 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-10-22 20:35:45,381 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-22 20:35:45,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 20:35:45,384 INFO L82 PathProgramCache]: Analyzing trace with hash 1278460957, now seen corresponding path program 1 times [2021-10-22 20:35:45,390 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 20:35:45,390 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540614811] [2021-10-22 20:35:45,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 20:35:45,391 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 20:35:45,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 20:35:45,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 20:35:45,547 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 20:35:45,547 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540614811] [2021-10-22 20:35:45,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540614811] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 20:35:45,548 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 20:35:45,548 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-22 20:35:45,549 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454658202] [2021-10-22 20:35:45,552 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-22 20:35:45,552 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 20:35:45,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-22 20:35:45,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-22 20:35:45,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 20:35:45,561 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 20:35:45,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 47.0) internal successors, (94), 2 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) [2021-10-22 20:35:45,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 20:35:45,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 20:35:45,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-22 20:35:45,645 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-22 20:35:45,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 20:35:45,646 INFO L82 PathProgramCache]: Analyzing trace with hash -1200093053, now seen corresponding path program 1 times [2021-10-22 20:35:45,646 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 20:35:45,646 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957050024] [2021-10-22 20:35:45,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 20:35:45,646 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 20:35:45,691 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-22 20:35:45,691 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1288718419] [2021-10-22 20:35:45,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 20:35:45,691 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 20:35:45,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 20:35:45,693 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 20:35:45,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-22 20:35:45,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 20:35:45,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 30 conjunts are in the unsatisfiable core [2021-10-22 20:35:45,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 20:35:46,890 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-22 20:35:46,890 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 20:35:46,891 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957050024] [2021-10-22 20:35:46,891 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-22 20:35:46,891 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1288718419] [2021-10-22 20:35:46,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1288718419] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 20:35:46,891 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 20:35:46,891 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-10-22 20:35:46,891 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048379354] [2021-10-22 20:35:46,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-22 20:35:46,892 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 20:35:46,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-22 20:35:46,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2021-10-22 20:35:46,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 20:35:46,893 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 20:35:46,894 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.647058823529412) internal successors, (96), 17 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) [2021-10-22 20:35:46,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 20:35:46,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 20:35:48,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 20:35:48,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-22 20:35:48,012 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-10-22 20:35:48,205 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-10-22 20:35:48,206 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-22 20:35:48,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 20:35:48,206 INFO L82 PathProgramCache]: Analyzing trace with hash 882275767, now seen corresponding path program 1 times [2021-10-22 20:35:48,206 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 20:35:48,206 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851936381] [2021-10-22 20:35:48,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 20:35:48,207 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 20:35:48,231 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-22 20:35:48,232 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1381174923] [2021-10-22 20:35:48,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 20:35:48,232 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 20:35:48,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 20:35:48,233 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 20:35:48,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-22 20:35:48,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 20:35:48,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 34 conjunts are in the unsatisfiable core [2021-10-22 20:35:48,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 20:36:11,555 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-22 20:36:11,555 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 20:36:11,555 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851936381] [2021-10-22 20:36:11,556 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-22 20:36:11,556 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1381174923] [2021-10-22 20:36:11,556 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1381174923] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 20:36:11,556 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 20:36:11,556 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-10-22 20:36:11,556 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839087806] [2021-10-22 20:36:11,556 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-22 20:36:11,556 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 20:36:11,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-22 20:36:11,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=324, Unknown=10, NotChecked=0, Total=380 [2021-10-22 20:36:11,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 20:36:11,558 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 20:36:11,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.0) internal successors, (100), 20 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 20:36:11,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 20:36:11,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-22 20:36:11,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 20:39:45,485 WARN L207 SmtUtils]: Spent 12.83 s on a formula simplification that was a NOOP. DAG size: 71 [2021-10-22 20:40:08,728 WARN L207 SmtUtils]: Spent 20.90 s on a formula simplification. DAG size of input: 75 DAG size of output: 66 [2021-10-22 20:40:29,538 WARN L207 SmtUtils]: Spent 20.38 s on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2021-10-22 20:40:53,628 WARN L207 SmtUtils]: Spent 23.99 s on a formula simplification. DAG size of input: 79 DAG size of output: 70 [2021-10-22 20:40:53,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 20:40:53,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-22 20:40:53,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 20:40:53,651 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-10-22 20:40:53,831 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 20:40:53,831 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-22 20:40:53,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 20:40:53,832 INFO L82 PathProgramCache]: Analyzing trace with hash -1406332874, now seen corresponding path program 1 times [2021-10-22 20:40:53,832 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 20:40:53,832 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848872544] [2021-10-22 20:40:53,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 20:40:53,832 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 20:40:53,870 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-22 20:40:53,870 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2058364146] [2021-10-22 20:40:53,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 20:40:53,871 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 20:40:53,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 20:40:53,872 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 20:40:53,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-22 20:40:54,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 20:40:54,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 43 conjunts are in the unsatisfiable core [2021-10-22 20:40:54,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 20:40:57,978 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 20:40:57,978 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 20:40:57,978 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848872544] [2021-10-22 20:40:57,979 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-22 20:40:57,979 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2058364146] [2021-10-22 20:40:57,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2058364146] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 20:40:57,979 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-10-22 20:40:57,979 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2021-10-22 20:40:57,979 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355187231] [2021-10-22 20:40:57,979 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-10-22 20:40:57,979 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 20:40:57,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-10-22 20:40:57,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2021-10-22 20:40:57,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 20:40:57,980 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 20:40:57,980 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.181818181818182) internal successors, (92), 22 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 20:40:57,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 20:40:57,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-22 20:40:57,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 20:40:57,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 20:41:01,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 20:41:01,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-22 20:41:01,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 20:41:01,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-22 20:41:01,274 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-22 20:41:01,471 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 20:41:01,471 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)] === [2021-10-22 20:41:01,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 20:41:01,472 INFO L82 PathProgramCache]: Analyzing trace with hash 103962490, now seen corresponding path program 2 times [2021-10-22 20:41:01,472 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 20:41:01,472 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304065442] [2021-10-22 20:41:01,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 20:41:01,472 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 20:41:01,490 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-22 20:41:01,490 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [92255784] [2021-10-22 20:41:01,491 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-22 20:41:01,491 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 20:41:01,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 20:41:01,492 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) [2021-10-22 20:41:01,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-22 20:41:06,222 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-22 20:41:06,222 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 20:41:06,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 48 conjunts are in the unsatisfiable core [2021-10-22 20:41:06,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 20:45:19,164 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 20:45:19,164 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 20:45:19,167 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304065442] [2021-10-22 20:45:19,167 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-22 20:45:19,167 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [92255784] [2021-10-22 20:45:19,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [92255784] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 20:45:19,168 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-10-22 20:45:19,168 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2021-10-22 20:45:19,168 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679659103] [2021-10-22 20:45:19,168 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-10-22 20:45:19,168 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 20:45:19,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-10-22 20:45:19,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=680, Unknown=1, NotChecked=0, Total=756 [2021-10-22 20:45:19,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 20:45:19,169 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 20:45:19,169 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.4285714285714284) internal successors, (96), 28 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) [2021-10-22 20:45:19,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 20:45:19,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-22 20:45:19,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-22 20:45:19,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-22 20:45:19,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 20:45:34,679 WARN L207 SmtUtils]: Spent 5.99 s on a formula simplification. DAG size of input: 76 DAG size of output: 42 [2021-10-22 20:45:37,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 20:45:37,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-22 20:45:37,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-22 20:45:37,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-22 20:45:37,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-22 20:45:37,108 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-10-22 20:45:37,300 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 [2021-10-22 20:45:37,300 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-22 20:45:37,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 20:45:37,301 INFO L82 PathProgramCache]: Analyzing trace with hash -1040556866, now seen corresponding path program 3 times [2021-10-22 20:45:37,301 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 20:45:37,301 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042383520] [2021-10-22 20:45:37,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 20:45:37,301 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 20:45:37,325 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-22 20:45:37,326 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [121851634] [2021-10-22 20:45:37,326 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-22 20:45:37,326 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 20:45:37,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 20:45:37,327 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) [2021-10-22 20:45:37,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process Received shutdown request... [2021-10-22 20:50:25,991 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-22 20:50:25,991 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-22 20:50:25,992 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-22 20:50:27,020 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-10-22 20:50:27,196 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-10-22 20:50:27,206 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forcibly destroying the process [2021-10-22 20:50:27,214 ERROR L247 FreeRefinementEngine]: Caught known exception: Timeout or Toolchain cancelled by user [2021-10-22 20:50:27,215 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-22 20:50:27,216 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forcibly destroying the process [2021-10-22 20:50:27,216 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 [2021-10-22 20:50:27,216 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 101 with TraceHistMax 5,while AutomatonFreeRefinementEngine was Timeout during CAMEL. [2021-10-22 20:50:27,217 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-22 20:50:27,217 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-22 20:50:27,217 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-22 20:50:27,217 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-22 20:50:27,235 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-22 20:50:27,235 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-22 20:50:27,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:50:27 BasicIcfg [2021-10-22 20:50:27,237 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 137 [2021-10-22 20:50:27,240 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-22 20:50:27,241 INFO L168 Benchmark]: Toolchain (without parser) took 883066.39 ms. Allocated memory was 204.5 MB in the beginning and 327.2 MB in the end (delta: 122.7 MB). Free memory was 152.9 MB in the beginning and 262.7 MB in the end (delta: -109.8 MB). Peak memory consumption was 13.7 MB. Max. memory is 8.0 GB. [2021-10-22 20:50:27,241 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 204.5 MB. Free memory is still 170.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-22 20:50:27,242 INFO L168 Benchmark]: CACSL2BoogieTranslator took 406.31 ms. Allocated memory is still 204.5 MB. Free memory was 152.8 MB in the beginning and 170.2 MB in the end (delta: -17.4 MB). Peak memory consumption was 9.8 MB. Max. memory is 8.0 GB. [2021-10-22 20:50:27,242 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.55 ms. Allocated memory is still 204.5 MB. Free memory was 170.2 MB in the beginning and 167.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-22 20:50:27,242 INFO L168 Benchmark]: Boogie Preprocessor took 19.29 ms. Allocated memory is still 204.5 MB. Free memory was 167.6 MB in the beginning and 166.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-22 20:50:27,242 INFO L168 Benchmark]: RCFGBuilder took 521.19 ms. Allocated memory is still 204.5 MB. Free memory was 166.0 MB in the beginning and 132.4 MB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 8.0 GB. [2021-10-22 20:50:27,242 INFO L168 Benchmark]: TraceAbstraction took 882086.13 ms. Allocated memory was 204.5 MB in the beginning and 327.2 MB in the end (delta: 122.7 MB). Free memory was 131.9 MB in the beginning and 262.7 MB in the end (delta: -130.8 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-22 20:50:27,244 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 204.5 MB. Free memory is still 170.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 406.31 ms. Allocated memory is still 204.5 MB. Free memory was 152.8 MB in the beginning and 170.2 MB in the end (delta: -17.4 MB). Peak memory consumption was 9.8 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 28.55 ms. Allocated memory is still 204.5 MB. Free memory was 170.2 MB in the beginning and 167.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 19.29 ms. Allocated memory is still 204.5 MB. Free memory was 167.6 MB in the beginning and 166.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 521.19 ms. Allocated memory is still 204.5 MB. Free memory was 166.0 MB in the beginning and 132.4 MB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 882086.13 ms. Allocated memory was 204.5 MB in the beginning and 327.2 MB in the end (delta: 122.7 MB). Free memory was 131.9 MB in the beginning and 262.7 MB in the end (delta: -130.8 MB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 809, positive: 591, positive conditional: 268, positive unconditional: 323, negative: 218, negative conditional: 210, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 639, positive: 591, positive conditional: 0, positive unconditional: 591, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 326, positive: 318, positive conditional: 0, positive unconditional: 318, 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: 326, positive: 315, positive conditional: 0, positive unconditional: 315, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 11, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 83, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 639, positive: 273, positive conditional: 0, positive unconditional: 273, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 326, unknown conditional: 0, unknown unconditional: 326] , Statistics on independence cache: Total cache size (in pairs): 326, Positive cache size: 318, Positive conditional cache size: 0, Positive unconditional cache size: 318, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Independence queries for same thread: 170 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 109, Number of persistent set computation: 119, Number of trivial persistent sets: 108, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 809, positive: 591, positive conditional: 268, positive unconditional: 323, negative: 218, negative conditional: 210, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 639, positive: 591, positive conditional: 0, positive unconditional: 591, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 326, positive: 318, positive conditional: 0, positive unconditional: 318, 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: 326, positive: 315, positive conditional: 0, positive unconditional: 315, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 11, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 83, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 639, positive: 273, positive conditional: 0, positive unconditional: 273, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 326, unknown conditional: 0, unknown unconditional: 326] , Statistics on independence cache: Total cache size (in pairs): 326, Positive cache size: 318, Positive conditional cache size: 0, Positive unconditional cache size: 318, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Independence queries for same thread: 170 - 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 101 with TraceHistMax 5,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 101 with TraceHistMax 5,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 101 with TraceHistMax 5,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 101 with TraceHistMax 5,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 101 with TraceHistMax 5,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: 881972.4ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.2ms, PartialOrderReductionTime: 304568.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 80, 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: 63.0ms SsaConstructionTime, 4832.6ms SatisfiabilityAnalysisTime, 280828.1ms InterpolantComputationTime, 478 NumberOfCodeBlocks, 478 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 473 ConstructedInterpolants, 12 QuantifiedInterpolants, 7495 SizeOfPredicates, 69 NumberOfNonLiveVariables, 846 ConjunctsInSsa, 155 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 4/16 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