/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-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/gcd-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-08 03:16:51,908 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-08 03:16:51,910 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-08 03:16:51,939 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-08 03:16:51,995 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-08 03:16:51,995 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-08 03:16:51,996 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-08 03:16:51,999 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-Random521.epf [2021-08-08 03:16:52,022 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-08 03:16:52,022 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-08 03:16:52,023 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-08 03:16:52,023 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-08 03:16:52,025 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-08 03:16:52,025 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-08 03:16:52,025 INFO L138 SettingsManager]: * Use SBE=true [2021-08-08 03:16:52,025 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-08 03:16:52,025 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-08 03:16:52,025 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-08 03:16:52,026 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-08 03:16:52,026 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-08 03:16:52,026 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-08 03:16:52,026 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-08 03:16:52,026 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-08 03:16:52,026 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-08 03:16:52,026 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-08 03:16:52,027 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-08 03:16:52,027 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-08 03:16:52,027 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-08 03:16:52,027 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-08 03:16:52,027 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-08 03:16:52,027 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-08 03:16:52,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-08 03:16:52,028 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-08 03:16:52,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-08 03:16:52,028 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-08 03:16:52,028 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-08 03:16:52,028 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-08-08 03:16:52,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-08 03:16:52,028 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-08 03:16:52,028 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-08 03:16:52,029 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-08 03:16:52,029 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-08-08 03:16:52,029 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-08 03:16:52,029 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-08 03:16:52,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-08 03:16:52,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-08 03:16:52,281 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-08 03:16:52,282 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-08 03:16:52,283 INFO L275 PluginConnector]: CDTParser initialized [2021-08-08 03:16:52,283 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/gcd-2.i [2021-08-08 03:16:52,322 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/437532444/2f0b0c51d00543cdaa86473c6654ea3b/FLAG51432bf3b [2021-08-08 03:16:52,742 INFO L306 CDTParser]: Found 1 translation units. [2021-08-08 03:16:52,743 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/gcd-2.i [2021-08-08 03:16:52,755 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/437532444/2f0b0c51d00543cdaa86473c6654ea3b/FLAG51432bf3b [2021-08-08 03:16:52,770 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/437532444/2f0b0c51d00543cdaa86473c6654ea3b [2021-08-08 03:16:52,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-08 03:16:52,775 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-08 03:16:52,777 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-08 03:16:52,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-08 03:16:52,779 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-08 03:16:52,780 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 03:16:52" (1/1) ... [2021-08-08 03:16:52,781 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41c79744 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:16:52, skipping insertion in model container [2021-08-08 03:16:52,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 03:16:52" (1/1) ... [2021-08-08 03:16:52,786 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-08 03:16:52,823 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-08 03:16:52,969 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] [2021-08-08 03:16:53,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-08 03:16:53,089 INFO L203 MainTranslator]: Completed pre-run [2021-08-08 03:16:53,096 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] [2021-08-08 03:16:53,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-08 03:16:53,146 INFO L208 MainTranslator]: Completed translation [2021-08-08 03:16:53,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:16:53 WrapperNode [2021-08-08 03:16:53,147 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-08 03:16:53,147 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-08 03:16:53,147 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-08 03:16:53,148 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-08 03:16:53,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:16:53" (1/1) ... [2021-08-08 03:16:53,175 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:16:53" (1/1) ... [2021-08-08 03:16:53,199 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-08 03:16:53,200 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-08 03:16:53,200 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-08 03:16:53,200 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-08 03:16:53,205 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:16:53" (1/1) ... [2021-08-08 03:16:53,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:16:53" (1/1) ... [2021-08-08 03:16:53,207 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:16:53" (1/1) ... [2021-08-08 03:16:53,207 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:16:53" (1/1) ... [2021-08-08 03:16:53,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:16:53" (1/1) ... [2021-08-08 03:16:53,212 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:16:53" (1/1) ... [2021-08-08 03:16:53,214 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:16:53" (1/1) ... [2021-08-08 03:16:53,216 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-08 03:16:53,216 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-08 03:16:53,216 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-08 03:16:53,216 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-08 03:16:53,217 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:16:53" (1/1) ... [2021-08-08 03:16:53,224 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-08 03:16:53,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 03:16:53,237 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) [2021-08-08 03:16:53,238 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 [2021-08-08 03:16:53,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-08 03:16:53,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-08 03:16:53,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-08 03:16:53,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-08 03:16:53,264 INFO L130 BoogieDeclarations]: Found specification of procedure dec_a [2021-08-08 03:16:53,264 INFO L138 BoogieDeclarations]: Found implementation of procedure dec_a [2021-08-08 03:16:53,267 INFO L130 BoogieDeclarations]: Found specification of procedure dec_b [2021-08-08 03:16:53,268 INFO L138 BoogieDeclarations]: Found implementation of procedure dec_b [2021-08-08 03:16:53,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-08 03:16:53,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-08 03:16:53,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-08 03:16:53,269 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-08 03:16:53,624 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-08 03:16:53,625 INFO L299 CfgBuilder]: Removed 26 assume(true) statements. [2021-08-08 03:16:53,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 03:16:53 BoogieIcfgContainer [2021-08-08 03:16:53,626 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-08 03:16:53,627 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-08 03:16:53,628 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-08 03:16:53,629 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-08 03:16:53,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.08 03:16:52" (1/3) ... [2021-08-08 03:16:53,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17f28d9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 03:16:53, skipping insertion in model container [2021-08-08 03:16:53,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 03:16:53" (2/3) ... [2021-08-08 03:16:53,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17f28d9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 03:16:53, skipping insertion in model container [2021-08-08 03:16:53,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 03:16:53" (3/3) ... [2021-08-08 03:16:53,631 INFO L111 eAbstractionObserver]: Analyzing ICFG gcd-2.i [2021-08-08 03:16:53,634 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-08 03:16:53,634 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-08 03:16:53,634 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-08 03:16:53,635 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-08 03:16:53,662 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:16:53,663 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:16:53,663 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:16:53,663 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:16:53,664 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:16:53,664 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:16:53,664 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:16:53,664 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:16:53,664 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:16:53,664 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:16:53,665 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:16:53,665 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:16:53,665 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:16:53,665 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:16:53,665 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:16:53,666 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:16:53,666 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:16:53,666 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:16:53,666 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:16:53,666 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:16:53,667 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:16:53,667 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:16:53,667 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:16:53,667 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:16:53,670 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:16:53,670 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:16:53,670 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:16:53,670 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:16:53,672 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:16:53,673 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:16:53,673 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:16:53,673 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 03:16:53,679 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-08-08 03:16:53,717 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-08 03:16:53,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 03:16:53,720 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) [2021-08-08 03:16:53,741 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 [2021-08-08 03:16:53,744 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-08 03:16:53,749 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 [2021-08-08 03:16:53,750 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-08-08 03:16:53,938 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-08-08 03:16:53,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 03:16:53,942 INFO L82 PathProgramCache]: Analyzing trace with hash 469582580, now seen corresponding path program 1 times [2021-08-08 03:16:53,947 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 03:16:53,948 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635337808] [2021-08-08 03:16:53,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 03:16:53,948 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 03:16:54,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 03:16:54,105 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-08 03:16:54,105 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 03:16:54,105 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635337808] [2021-08-08 03:16:54,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635337808] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-08 03:16:54,106 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-08 03:16:54,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-08 03:16:54,108 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87355631] [2021-08-08 03:16:54,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-08 03:16:54,113 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 03:16:54,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-08 03:16:54,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-08 03:16:54,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 03:16:54,121 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 03:16:54,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 51.0) internal successors, (102), 2 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 03:16:54,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 03:16:54,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 03:16:54,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-08 03:16:54,132 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-08-08 03:16:54,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 03:16:54,132 INFO L82 PathProgramCache]: Analyzing trace with hash -809390033, now seen corresponding path program 1 times [2021-08-08 03:16:54,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 03:16:54,133 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488763745] [2021-08-08 03:16:54,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 03:16:54,133 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 03:16:54,161 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-08 03:16:54,161 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [851886999] [2021-08-08 03:16:54,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 03:16:54,161 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 03:16:54,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 03:16:54,163 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) [2021-08-08 03:16:54,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-08 03:16:54,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 03:16:54,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-08 03:16:54,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 03:16:54,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-08-08 03:16:54,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2021-08-08 03:16:54,975 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-08 03:16:54,976 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 03:16:54,977 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488763745] [2021-08-08 03:16:54,977 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-08-08 03:16:54,977 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [851886999] [2021-08-08 03:16:54,977 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [851886999] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 03:16:54,977 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-08-08 03:16:54,977 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2021-08-08 03:16:54,977 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220018962] [2021-08-08 03:16:54,978 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-08 03:16:54,978 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 03:16:54,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-08 03:16:54,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-08-08 03:16:54,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 03:16:54,979 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 03:16:54,979 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.5) internal successors, (100), 8 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) [2021-08-08 03:16:54,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 03:16:54,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 03:16:55,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 03:16:55,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 03:16:55,133 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-08 03:16:55,330 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 [2021-08-08 03:16:55,333 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)] === [2021-08-08 03:16:55,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 03:16:55,333 INFO L82 PathProgramCache]: Analyzing trace with hash 1100886605, now seen corresponding path program 1 times [2021-08-08 03:16:55,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 03:16:55,333 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795706288] [2021-08-08 03:16:55,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 03:16:55,334 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 03:16:55,370 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-08 03:16:55,370 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [754237311] [2021-08-08 03:16:55,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 03:16:55,370 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 03:16:55,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 03:16:55,372 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) [2021-08-08 03:16:55,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-08 03:16:55,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 03:16:55,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 33 conjunts are in the unsatisfiable core [2021-08-08 03:16:55,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 03:16:56,832 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-08 03:16:56,832 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 03:16:56,832 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795706288] [2021-08-08 03:16:56,832 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-08-08 03:16:56,832 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [754237311] [2021-08-08 03:16:56,832 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [754237311] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-08 03:16:56,833 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-08 03:16:56,833 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-08-08 03:16:56,833 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182242572] [2021-08-08 03:16:56,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-08-08 03:16:56,833 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 03:16:56,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-08 03:16:56,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2021-08-08 03:16:56,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 03:16:56,834 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 03:16:56,834 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 5.2631578947368425) internal successors, (100), 19 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 03:16:56,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 03:16:56,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-08 03:16:56,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 03:16:57,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 03:16:57,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 03:16:57,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 03:16:57,224 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-08-08 03:16:57,406 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 [2021-08-08 03:16:57,406 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)] === [2021-08-08 03:16:57,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 03:16:57,407 INFO L82 PathProgramCache]: Analyzing trace with hash 667698031, now seen corresponding path program 2 times [2021-08-08 03:16:57,407 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 03:16:57,407 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747939343] [2021-08-08 03:16:57,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 03:16:57,407 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 03:16:57,426 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-08 03:16:57,426 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1109690238] [2021-08-08 03:16:57,426 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-08 03:16:57,427 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 03:16:57,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 03:16:57,434 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) [2021-08-08 03:16:57,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-08 03:16:59,181 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-08 03:16:59,182 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 03:16:59,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 66 conjunts are in the unsatisfiable core [2021-08-08 03:16:59,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 03:17:32,056 WARN L207 SmtUtils]: Spent 16.07 s on a formula simplification that was a NOOP. DAG size: 38 [2021-08-08 03:18:03,811 WARN L207 SmtUtils]: Spent 12.78 s on a formula simplification that was a NOOP. DAG size: 38 [2021-08-08 03:19:47,663 WARN L207 SmtUtils]: Spent 33.32 s on a formula simplification that was a NOOP. DAG size: 47 [2021-08-08 03:21:16,339 WARN L207 SmtUtils]: Spent 25.82 s on a formula simplification that was a NOOP. DAG size: 47 [2021-08-08 03:21:33,440 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse2 (mod c_ULTIMATE.start_check_gcd_~gcd 4294967296))) (let ((.cse0 (mod (+ c_ULTIMATE.start_check_gcd_~gcd .cse2) 4294967296)) (.cse1 (mod c_ULTIMATE.start_check_gcd_~guessed_gcd~0 4294967296))) (and (= (mod (mod .cse0 .cse1) 4294967296) 0) (< (div (+ (- 1) (* c_ULTIMATE.start_check_gcd_~gcd (- 4294967295))) (- 4294967296)) (+ (div (+ (* .cse2 (- 1)) 4294967295 (* c_ULTIMATE.start_check_gcd_~gcd 4294967295)) 4294967296) 1)) (< 1 .cse1) (or (let ((.cse3 (mod (+ (* c_ULTIMATE.start_check_gcd_~gcd 2) .cse2) 4294967296))) (and (= (mod (mod .cse3 .cse1) 4294967296) 0) (< .cse0 .cse3))) (= 0 (mod (mod .cse2 .cse1) 4294967296)))))) is different from false [2021-08-08 03:23:53,627 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 03:23:53,627 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 03:23:53,627 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747939343] [2021-08-08 03:23:53,627 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-08-08 03:23:53,627 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1109690238] [2021-08-08 03:23:53,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1109690238] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-08 03:23:53,628 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-08-08 03:23:53,628 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2021-08-08 03:23:53,628 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202349480] [2021-08-08 03:23:53,628 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2021-08-08 03:23:53,628 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 03:23:53,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-08-08 03:23:53,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=996, Unknown=30, NotChecked=64, Total=1190 [2021-08-08 03:23:53,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 03:23:53,629 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 03:23:53,630 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.914285714285714) internal successors, (102), 35 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-08 03:23:53,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 03:23:53,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-08 03:23:53,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-08 03:23:53,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 03:24:10,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 03:24:10,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 03:24:10,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-08 03:24:10,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-08 03:24:10,996 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-08 03:24:11,188 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 [2021-08-08 03:24:11,188 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-08-08 03:24:11,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 03:24:11,189 INFO L82 PathProgramCache]: Analyzing trace with hash 985306129, now seen corresponding path program 3 times [2021-08-08 03:24:11,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 03:24:11,189 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002837886] [2021-08-08 03:24:11,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 03:24:11,189 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 03:24:11,207 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-08-08 03:24:11,207 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [893513393] [2021-08-08 03:24:11,207 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-08 03:24:11,207 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-08 03:24:11,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 03:24:11,226 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) [2021-08-08 03:24:11,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-08 03:25:22,894 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-08-08 03:25:22,894 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-08 03:25:22,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 66 conjunts are in the unsatisfiable core [2021-08-08 03:25:22,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-08 03:26:40,300 WARN L207 SmtUtils]: Spent 39.13 s on a formula simplification that was a NOOP. DAG size: 51 [2021-08-08 03:28:21,134 WARN L207 SmtUtils]: Spent 39.53 s on a formula simplification that was a NOOP. DAG size: 51 [2021-08-08 03:28:56,613 WARN L207 SmtUtils]: Spent 16.02 s on a formula simplification that was a NOOP. DAG size: 37 [2021-08-08 03:29:30,129 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse5 (mod c_ULTIMATE.start_check_gcd_~gcd 4294967296))) (let ((.cse4 (mod (+ c_ULTIMATE.start_check_gcd_~gcd .cse5) 4294967296)) (.cse1 (mod c_ULTIMATE.start_check_gcd_~guessed_gcd~0 4294967296))) (and (let ((.cse0 (mod (+ (* c_ULTIMATE.start_check_gcd_~gcd 2) .cse5) 4294967296))) (let ((.cse2 (< .cse4 .cse0))) (or (and (= (mod (mod .cse0 .cse1) 4294967296) 0) .cse2) (let ((.cse3 (mod (+ (* c_ULTIMATE.start_check_gcd_~gcd 3) (* .cse5 2)) 4294967296))) (and (= (mod (mod .cse3 .cse1) 4294967296) 0) .cse2 (< .cse4 .cse3))) (= 0 (mod (mod .cse5 .cse1) 4294967296))))) (let ((.cse6 (= (mod (mod .cse4 .cse1) 4294967296) 0))) (or (and (= |c_ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (not .cse6)) (and (= |c_ULTIMATE.start_assume_abort_if_not_#in~cond| 1) .cse6))) (< (div (+ (- 1) (* c_ULTIMATE.start_check_gcd_~gcd (- 4294967295))) (- 4294967296)) (+ (div (+ (* .cse5 (- 1)) 4294967295 (* c_ULTIMATE.start_check_gcd_~gcd 4294967295)) 4294967296) 1)) (< 1 .cse1)))) is different from false [2021-08-08 03:30:33,786 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse5 (mod c_ULTIMATE.start_check_gcd_~gcd 4294967296))) (let ((.cse4 (mod (+ c_ULTIMATE.start_check_gcd_~gcd .cse5) 4294967296)) (.cse1 (mod c_ULTIMATE.start_check_gcd_~guessed_gcd~0 4294967296))) (and (let ((.cse0 (mod (+ (* c_ULTIMATE.start_check_gcd_~gcd 2) .cse5) 4294967296))) (let ((.cse2 (< .cse4 .cse0))) (or (and (= (mod (mod .cse0 .cse1) 4294967296) 0) .cse2) (let ((.cse3 (mod (+ (* c_ULTIMATE.start_check_gcd_~gcd 3) (* .cse5 2)) 4294967296))) (and (= (mod (mod .cse3 .cse1) 4294967296) 0) .cse2 (< .cse4 .cse3))) (= 0 (mod (mod .cse5 .cse1) 4294967296))))) (< (div (+ (- 1) (* c_ULTIMATE.start_check_gcd_~gcd (- 4294967295))) (- 4294967296)) (+ (div (+ (* .cse5 (- 1)) 4294967295 (* c_ULTIMATE.start_check_gcd_~gcd 4294967295)) 4294967296) 1)) (< 1 .cse1) (let ((.cse6 (= (mod (mod .cse4 .cse1) 4294967296) 0))) (or (and (= c_ULTIMATE.start_assume_abort_if_not_~cond 0) (not .cse6)) (and (= c_ULTIMATE.start_assume_abort_if_not_~cond 1) .cse6)))))) is different from false [2021-08-08 03:31:06,652 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse5 (mod c_ULTIMATE.start_check_gcd_~gcd 4294967296))) (let ((.cse4 (mod (+ c_ULTIMATE.start_check_gcd_~gcd .cse5) 4294967296)) (.cse1 (mod c_ULTIMATE.start_check_gcd_~guessed_gcd~0 4294967296))) (and (let ((.cse0 (mod (+ (* c_ULTIMATE.start_check_gcd_~gcd 2) .cse5) 4294967296))) (let ((.cse2 (< .cse4 .cse0))) (or (and (= (mod (mod .cse0 .cse1) 4294967296) 0) .cse2) (let ((.cse3 (mod (+ (* c_ULTIMATE.start_check_gcd_~gcd 3) (* .cse5 2)) 4294967296))) (and (= (mod (mod .cse3 .cse1) 4294967296) 0) .cse2 (< .cse4 .cse3))) (= 0 (mod (mod .cse5 .cse1) 4294967296))))) (= (mod (mod .cse4 .cse1) 4294967296) 0) (< (div (+ (- 1) (* c_ULTIMATE.start_check_gcd_~gcd (- 4294967295))) (- 4294967296)) (+ (div (+ (* .cse5 (- 1)) 4294967295 (* c_ULTIMATE.start_check_gcd_~gcd 4294967295)) 4294967296) 1)) (< 1 .cse1)))) is different from false Received shutdown request... [2021-08-08 03:31:39,946 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 [2021-08-08 03:31:39,946 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-08 03:31:39,951 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 [2021-08-08 03:31:40,964 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 [2021-08-08 03:31:40,967 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-08-08 03:31:41,157 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 [2021-08-08 03:31:41,186 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 [2021-08-08 03:31:41,188 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-08-08 03:31:41,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-08 03:31:41,189 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 105 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while executing Executor. [2021-08-08 03:31:41,190 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-08 03:31:41,190 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-08-08 03:31:41,190 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-08 03:31:41,190 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-08 03:31:41,194 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-08 03:31:41,194 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-08 03:31:41,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.08 03:31:41 BasicIcfg [2021-08-08 03:31:41,195 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-08 03:31:41,196 INFO L168 Benchmark]: Toolchain (without parser) took 888421.28 ms. Allocated memory was 216.0 MB in the beginning and 343.9 MB in the end (delta: 127.9 MB). Free memory was 178.8 MB in the beginning and 249.6 MB in the end (delta: -70.8 MB). Peak memory consumption was 58.6 MB. Max. memory is 8.0 GB. [2021-08-08 03:31:41,196 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 216.0 MB. Free memory is still 196.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-08 03:31:41,196 INFO L168 Benchmark]: CACSL2BoogieTranslator took 369.99 ms. Allocated memory is still 216.0 MB. Free memory was 178.5 MB in the beginning and 189.0 MB in the end (delta: -10.4 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-08-08 03:31:41,196 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.82 ms. Allocated memory is still 216.0 MB. Free memory was 189.0 MB in the beginning and 186.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-08 03:31:41,196 INFO L168 Benchmark]: Boogie Preprocessor took 16.10 ms. Allocated memory is still 216.0 MB. Free memory was 186.4 MB in the beginning and 184.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-08 03:31:41,196 INFO L168 Benchmark]: RCFGBuilder took 410.31 ms. Allocated memory is still 216.0 MB. Free memory was 184.8 MB in the beginning and 151.2 MB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 8.0 GB. [2021-08-08 03:31:41,196 INFO L168 Benchmark]: TraceAbstraction took 887567.82 ms. Allocated memory was 216.0 MB in the beginning and 343.9 MB in the end (delta: 127.9 MB). Free memory was 150.7 MB in the beginning and 249.6 MB in the end (delta: -98.8 MB). Peak memory consumption was 30.6 MB. Max. memory is 8.0 GB. [2021-08-08 03:31:41,196 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 216.0 MB. Free memory is still 196.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 369.99 ms. Allocated memory is still 216.0 MB. Free memory was 178.5 MB in the beginning and 189.0 MB in the end (delta: -10.4 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 51.82 ms. Allocated memory is still 216.0 MB. Free memory was 189.0 MB in the beginning and 186.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 16.10 ms. Allocated memory is still 216.0 MB. Free memory was 186.4 MB in the beginning and 184.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 410.31 ms. Allocated memory is still 216.0 MB. Free memory was 184.8 MB in the beginning and 151.2 MB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 887567.82 ms. Allocated memory was 216.0 MB in the beginning and 343.9 MB in the end (delta: 127.9 MB). Free memory was 150.7 MB in the beginning and 249.6 MB in the end (delta: -98.8 MB). Peak memory consumption was 30.6 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: 1494, positive: 1332, positive conditional: 232, positive unconditional: 1100, negative: 162, negative conditional: 152, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1360, positive: 1332, positive conditional: 232, positive unconditional: 1100, negative: 28, negative conditional: 18, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1360, positive: 1332, positive conditional: 232, positive unconditional: 1100, negative: 28, negative conditional: 18, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1399, positive: 1332, positive conditional: 188, positive unconditional: 1144, negative: 67, negative conditional: 39, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1399, positive: 1332, positive conditional: 27, positive unconditional: 1305, negative: 67, negative conditional: 0, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1399, positive: 1332, positive conditional: 27, positive unconditional: 1305, negative: 67, negative conditional: 0, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1093, positive: 1083, positive conditional: 0, positive unconditional: 1083, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1093, positive: 1081, positive conditional: 0, positive unconditional: 1081, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 12, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 105, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 99, negative conditional: 0, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1399, positive: 249, positive conditional: 27, positive unconditional: 222, negative: 57, negative conditional: 0, negative unconditional: 57, unknown: 1093, unknown conditional: 0, unknown unconditional: 1093] , Statistics on independence cache: Total cache size (in pairs): 1093, Positive cache size: 1083, Positive conditional cache size: 0, Positive unconditional cache size: 1083, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Eliminated conditions: 200, Maximal queried relation: 4, Independence queries for same thread: 134 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 136, Number of persistent set computation: 104, Number of trivial persistent sets: 104, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1110, positive: 1100, positive conditional: 0, positive unconditional: 1100, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1494, positive: 1332, positive conditional: 232, positive unconditional: 1100, negative: 162, negative conditional: 152, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1360, positive: 1332, positive conditional: 232, positive unconditional: 1100, negative: 28, negative conditional: 18, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1360, positive: 1332, positive conditional: 232, positive unconditional: 1100, negative: 28, negative conditional: 18, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1399, positive: 1332, positive conditional: 188, positive unconditional: 1144, negative: 67, negative conditional: 39, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1399, positive: 1332, positive conditional: 27, positive unconditional: 1305, negative: 67, negative conditional: 0, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1399, positive: 1332, positive conditional: 27, positive unconditional: 1305, negative: 67, negative conditional: 0, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1093, positive: 1083, positive conditional: 0, positive unconditional: 1083, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1093, positive: 1081, positive conditional: 0, positive unconditional: 1081, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 12, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 105, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 99, negative conditional: 0, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1399, positive: 249, positive conditional: 27, positive unconditional: 222, negative: 57, negative conditional: 0, negative unconditional: 57, unknown: 1093, unknown conditional: 0, unknown unconditional: 1093] , Statistics on independence cache: Total cache size (in pairs): 1093, Positive cache size: 1083, Positive conditional cache size: 0, Positive unconditional cache size: 1083, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Eliminated conditions: 200, Maximal queried relation: 4, Independence queries for same thread: 134 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 20]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 105 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - TimeoutResultAtElement [Line: 20]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 105 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - TimeoutResultAtElement [Line: 20]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 105 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - TimeoutResultAtElement [Line: 729]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 105 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - TimeoutResultAtElement [Line: 730]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 105 with TraceHistMax 3,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - 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: 887479.5ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 16.7ms, PartialOrderReductionTime: 18042.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 43, 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: 47.1ms SsaConstructionTime, 1692.4ms SatisfiabilityAnalysisTime, 416572.3ms InterpolantComputationTime, 404 NumberOfCodeBlocks, 404 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 400 ConstructedInterpolants, 0 QuantifiedInterpolants, 4952 SizeOfPredicates, 54 NumberOfNonLiveVariables, 620 ConjunctsInSsa, 112 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 5/11 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