/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.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe031_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-07 19:49:17,235 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-07 19:49:17,238 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-07 19:49:17,274 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-07 19:49:17,341 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.epf [2021-08-07 19:49:17,380 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-07 19:49:17,380 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-07 19:49:17,380 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-07 19:49:17,381 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-07 19:49:17,383 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-07 19:49:17,384 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-07 19:49:17,384 INFO L138 SettingsManager]: * Use SBE=true [2021-08-07 19:49:17,384 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-07 19:49:17,384 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-07 19:49:17,384 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-07 19:49:17,385 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-07 19:49:17,385 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-07 19:49:17,385 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-07 19:49:17,386 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-07 19:49:17,386 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-07 19:49:17,386 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-07 19:49:17,386 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-07 19:49:17,386 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-07 19:49:17,386 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-07 19:49:17,386 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-07 19:49:17,386 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-07 19:49:17,387 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-07 19:49:17,387 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-07 19:49:17,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 19:49:17,387 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-07 19:49:17,387 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-07 19:49:17,387 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-07 19:49:17,387 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-07 19:49:17,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-07 19:49:17,388 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-07 19:49:17,388 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-07 19:49:17,388 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-07 19:49:17,388 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-08-07 19:49:17,388 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-07 19:49:17,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-07 19:49:17,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-07 19:49:17,732 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-07 19:49:17,733 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-07 19:49:17,734 INFO L275 PluginConnector]: CDTParser initialized [2021-08-07 19:49:17,735 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe031_tso.opt.i [2021-08-07 19:49:17,805 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f0feabb9/c4cfb82904e44b7a8987b9444c906d3a/FLAG3d1eb7a79 [2021-08-07 19:49:18,386 INFO L306 CDTParser]: Found 1 translation units. [2021-08-07 19:49:18,386 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe031_tso.opt.i [2021-08-07 19:49:18,406 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f0feabb9/c4cfb82904e44b7a8987b9444c906d3a/FLAG3d1eb7a79 [2021-08-07 19:49:18,772 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f0feabb9/c4cfb82904e44b7a8987b9444c906d3a [2021-08-07 19:49:18,775 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-07 19:49:18,777 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-07 19:49:18,779 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-07 19:49:18,779 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-07 19:49:18,781 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-07 19:49:18,782 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 07:49:18" (1/1) ... [2021-08-07 19:49:18,783 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21f45496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 07:49:18, skipping insertion in model container [2021-08-07 19:49:18,783 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 07:49:18" (1/1) ... [2021-08-07 19:49:18,789 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-07 19:49:18,838 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-07 19:49:18,965 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-wmm/safe031_tso.opt.i[949,962] [2021-08-07 19:49:19,169 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-07 19:49:19,176 INFO L203 MainTranslator]: Completed pre-run [2021-08-07 19:49:19,187 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-wmm/safe031_tso.opt.i[949,962] [2021-08-07 19:49:19,230 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-07 19:49:19,269 INFO L208 MainTranslator]: Completed translation [2021-08-07 19:49:19,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 07:49:19 WrapperNode [2021-08-07 19:49:19,270 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-07 19:49:19,271 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-07 19:49:19,271 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-07 19:49:19,271 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-07 19:49:19,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 07:49:19" (1/1) ... [2021-08-07 19:49:19,308 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 07:49:19" (1/1) ... [2021-08-07 19:49:19,326 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-07 19:49:19,326 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-07 19:49:19,326 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-07 19:49:19,327 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-07 19:49:19,333 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 07:49:19" (1/1) ... [2021-08-07 19:49:19,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 07:49:19" (1/1) ... [2021-08-07 19:49:19,336 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 07:49:19" (1/1) ... [2021-08-07 19:49:19,336 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 07:49:19" (1/1) ... [2021-08-07 19:49:19,341 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 07:49:19" (1/1) ... [2021-08-07 19:49:19,342 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 07:49:19" (1/1) ... [2021-08-07 19:49:19,344 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 07:49:19" (1/1) ... [2021-08-07 19:49:19,346 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-07 19:49:19,347 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-07 19:49:19,347 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-07 19:49:19,347 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-07 19:49:19,348 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 07:49:19" (1/1) ... [2021-08-07 19:49:19,354 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 19:49:19,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 19:49:19,371 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-07 19:49:19,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-07 19:49:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-07 19:49:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-07 19:49:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-07 19:49:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-07 19:49:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-08-07 19:49:19,421 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-08-07 19:49:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-08-07 19:49:19,421 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-08-07 19:49:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-08-07 19:49:19,421 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-08-07 19:49:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-07 19:49:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-07 19:49:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-07 19:49:19,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-07 19:49:19,422 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-07 19:49:19,873 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-07 19:49:19,873 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-08-07 19:49:19,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 07:49:19 BoogieIcfgContainer [2021-08-07 19:49:19,875 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-07 19:49:19,877 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-07 19:49:19,877 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-07 19:49:19,880 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-07 19:49:19,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.08 07:49:18" (1/3) ... [2021-08-07 19:49:19,881 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@319328b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 07:49:19, skipping insertion in model container [2021-08-07 19:49:19,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 07:49:19" (2/3) ... [2021-08-07 19:49:19,881 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@319328b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 07:49:19, skipping insertion in model container [2021-08-07 19:49:19,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 07:49:19" (3/3) ... [2021-08-07 19:49:19,882 INFO L111 eAbstractionObserver]: Analyzing ICFG safe031_tso.opt.i [2021-08-07 19:49:19,887 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-07 19:49:19,887 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-07 19:49:19,887 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-07 19:49:19,888 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-07 19:49:19,923 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 19:49:19,923 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 19:49:19,923 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 19:49:19,923 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 19:49:19,923 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 19:49:19,924 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 19:49:19,924 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 19:49:19,924 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 19:49:19,924 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 19:49:19,924 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 19:49:19,924 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 19:49:19,925 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 19:49:19,925 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 19:49:19,925 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 19:49:19,925 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 19:49:19,926 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 19:49:19,926 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 19:49:19,926 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 19:49:19,926 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 19:49:19,926 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 19:49:19,928 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 19:49:19,928 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 19:49:19,929 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 19:49:19,929 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 19:49:19,934 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 19:49:19,935 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 19:49:19,935 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 19:49:19,935 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 19:49:19,935 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 19:49:19,935 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 19:49:19,936 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 19:49:19,936 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 19:49:19,936 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 19:49:19,936 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 19:49:19,937 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 19:49:19,937 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 19:49:19,940 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 19:49:19,940 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 19:49:19,940 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 19:49:19,940 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 19:49:19,944 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 19:49:19,945 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 19:49:19,945 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 19:49:19,945 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 19:49:19,947 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 19:49:19,947 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 19:49:19,948 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 19:49:19,948 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 19:49:19,949 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-07 19:49:19,985 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 19:49:19,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 19:49:19,989 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-07 19:49:19,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-08-07 19:49:20,034 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-07 19:49:20,042 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-07 19:49:20,042 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-07 19:49:20,247 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 19:49:20,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 19:49:20,261 INFO L82 PathProgramCache]: Analyzing trace with hash 1634744581, now seen corresponding path program 1 times [2021-08-07 19:49:20,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 19:49:20,271 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098213402] [2021-08-07 19:49:20,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 19:49:20,272 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 19:49:20,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 19:49:20,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 19:49:20,516 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 19:49:20,516 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098213402] [2021-08-07 19:49:20,517 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098213402] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 19:49:20,517 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 19:49:20,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-07 19:49:20,519 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120439060] [2021-08-07 19:49:20,527 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-07 19:49:20,527 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 19:49:20,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-07 19:49:20,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-07 19:49:20,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:49:20,544 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 19:49:20,545 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 19:49:20,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:49:20,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:49:20,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-07 19:49:20,564 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 19:49:20,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 19:49:20,568 INFO L82 PathProgramCache]: Analyzing trace with hash -1828722178, now seen corresponding path program 1 times [2021-08-07 19:49:20,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 19:49:20,568 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28970479] [2021-08-07 19:49:20,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 19:49:20,569 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 19:49:20,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 19:49:20,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 19:49:20,843 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 19:49:20,843 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28970479] [2021-08-07 19:49:20,844 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28970479] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 19:49:20,844 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 19:49:20,846 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-07 19:49:20,852 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629374381] [2021-08-07 19:49:20,855 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-07 19:49:20,855 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 19:49:20,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-07 19:49:20,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-07 19:49:20,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:49:20,857 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 19:49:20,857 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 19:49:20,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:49:20,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:49:21,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:49:21,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 19:49:21,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-07 19:49:21,030 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 19:49:21,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 19:49:21,031 INFO L82 PathProgramCache]: Analyzing trace with hash -920577659, now seen corresponding path program 1 times [2021-08-07 19:49:21,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 19:49:21,031 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965197931] [2021-08-07 19:49:21,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 19:49:21,032 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 19:49:21,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 19:49:21,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 19:49:21,338 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 19:49:21,338 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965197931] [2021-08-07 19:49:21,338 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965197931] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 19:49:21,338 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 19:49:21,338 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-07 19:49:21,338 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605053784] [2021-08-07 19:49:21,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-07 19:49:21,339 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 19:49:21,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-07 19:49:21,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-07 19:49:21,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:49:21,342 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 19:49:21,342 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 19:49:21,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:49:21,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 19:49:21,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:49:21,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:49:21,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 19:49:21,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 19:49:21,538 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-07 19:49:21,538 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 19:49:21,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 19:49:21,539 INFO L82 PathProgramCache]: Analyzing trace with hash -1866028519, now seen corresponding path program 1 times [2021-08-07 19:49:21,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 19:49:21,540 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081654337] [2021-08-07 19:49:21,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 19:49:21,540 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 19:49:21,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 19:49:21,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 19:49:21,744 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 19:49:21,744 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081654337] [2021-08-07 19:49:21,744 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081654337] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 19:49:21,745 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 19:49:21,745 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-07 19:49:21,745 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557140512] [2021-08-07 19:49:21,745 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-07 19:49:21,745 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 19:49:21,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-07 19:49:21,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-07 19:49:21,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:49:21,747 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 19:49:21,747 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 19:49:21,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:49:21,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 19:49:21,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 19:49:21,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:49:21,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:49:21,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 19:49:21,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 19:49:21,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 19:49:21,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-07 19:49:21,875 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 19:49:21,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 19:49:21,875 INFO L82 PathProgramCache]: Analyzing trace with hash -1531356133, now seen corresponding path program 2 times [2021-08-07 19:49:21,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 19:49:21,875 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722729367] [2021-08-07 19:49:21,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 19:49:21,876 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 19:49:21,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 19:49:22,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 19:49:22,011 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 19:49:22,013 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722729367] [2021-08-07 19:49:22,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722729367] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 19:49:22,014 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 19:49:22,014 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-07 19:49:22,014 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334336152] [2021-08-07 19:49:22,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-07 19:49:22,017 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 19:49:22,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-07 19:49:22,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-07 19:49:22,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:49:22,018 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 19:49:22,020 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 19:49:22,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:49:22,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 19:49:22,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 19:49:22,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 19:49:22,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:49:22,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:49:22,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 19:49:22,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 19:49:22,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 19:49:22,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 19:49:22,310 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-07 19:49:22,311 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 19:49:22,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 19:49:22,311 INFO L82 PathProgramCache]: Analyzing trace with hash 645135304, now seen corresponding path program 1 times [2021-08-07 19:49:22,311 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 19:49:22,312 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681459050] [2021-08-07 19:49:22,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 19:49:22,312 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 19:49:22,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 19:49:22,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 19:49:22,439 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 19:49:22,439 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681459050] [2021-08-07 19:49:22,439 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681459050] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 19:49:22,439 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 19:49:22,439 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-07 19:49:22,439 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482314187] [2021-08-07 19:49:22,440 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-07 19:49:22,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 19:49:22,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-07 19:49:22,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-07 19:49:22,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:49:22,441 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 19:49:22,441 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 19:49:22,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:49:22,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 19:49:22,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 19:49:22,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 19:49:22,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 19:49:22,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:49:22,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:49:22,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 19:49:22,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 19:49:22,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 19:49:22,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 19:49:22,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-07 19:49:22,577 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-07 19:49:22,578 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-07 19:49:22,578 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-07 19:49:22,578 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-07 19:49:22,578 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-07 19:49:22,584 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-07 19:49:22,585 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-07 19:49:22,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.08 07:49:22 BasicIcfg [2021-08-07 19:49:22,586 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-07 19:49:22,587 INFO L168 Benchmark]: Toolchain (without parser) took 3809.73 ms. Allocated memory was 196.1 MB in the beginning and 235.9 MB in the end (delta: 39.8 MB). Free memory was 158.9 MB in the beginning and 153.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 45.9 MB. Max. memory is 8.0 GB. [2021-08-07 19:49:22,587 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 196.1 MB. Free memory is still 177.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-07 19:49:22,587 INFO L168 Benchmark]: CACSL2BoogieTranslator took 491.56 ms. Allocated memory is still 196.1 MB. Free memory was 158.6 MB in the beginning and 169.8 MB in the end (delta: -11.2 MB). Peak memory consumption was 10.1 MB. Max. memory is 8.0 GB. [2021-08-07 19:49:22,588 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.80 ms. Allocated memory is still 196.1 MB. Free memory was 169.8 MB in the beginning and 167.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-07 19:49:22,588 INFO L168 Benchmark]: Boogie Preprocessor took 20.27 ms. Allocated memory is still 196.1 MB. Free memory was 167.7 MB in the beginning and 166.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-07 19:49:22,588 INFO L168 Benchmark]: RCFGBuilder took 528.27 ms. Allocated memory is still 196.1 MB. Free memory was 166.7 MB in the beginning and 142.0 MB in the end (delta: 24.6 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2021-08-07 19:49:22,588 INFO L168 Benchmark]: TraceAbstraction took 2709.35 ms. Allocated memory was 196.1 MB in the beginning and 235.9 MB in the end (delta: 39.8 MB). Free memory was 142.0 MB in the beginning and 153.7 MB in the end (delta: -11.6 MB). Peak memory consumption was 29.3 MB. Max. memory is 8.0 GB. [2021-08-07 19:49:22,589 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 196.1 MB. Free memory is still 177.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 491.56 ms. Allocated memory is still 196.1 MB. Free memory was 158.6 MB in the beginning and 169.8 MB in the end (delta: -11.2 MB). Peak memory consumption was 10.1 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 54.80 ms. Allocated memory is still 196.1 MB. Free memory was 169.8 MB in the beginning and 167.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 20.27 ms. Allocated memory is still 196.1 MB. Free memory was 167.7 MB in the beginning and 166.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 528.27 ms. Allocated memory is still 196.1 MB. Free memory was 166.7 MB in the beginning and 142.0 MB in the end (delta: 24.6 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2709.35 ms. Allocated memory was 196.1 MB in the beginning and 235.9 MB in the end (delta: 39.8 MB). Free memory was 142.0 MB in the beginning and 153.7 MB in the end (delta: -11.6 MB). Peak memory consumption was 29.3 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: 5788, positive: 5636, positive conditional: 4487, positive unconditional: 1149, negative: 152, negative conditional: 128, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5742, positive: 5636, positive conditional: 4487, positive unconditional: 1149, negative: 106, negative conditional: 82, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5742, positive: 5636, positive conditional: 4487, positive unconditional: 1149, negative: 106, negative conditional: 82, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6321, positive: 5636, positive conditional: 4378, positive unconditional: 1258, negative: 685, negative conditional: 579, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6321, positive: 5636, positive conditional: 852, positive unconditional: 4784, negative: 685, negative conditional: 48, negative unconditional: 637, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6321, positive: 5636, positive conditional: 852, positive unconditional: 4784, negative: 685, negative conditional: 48, negative unconditional: 637, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1186, positive: 1159, positive conditional: 10, positive unconditional: 1149, negative: 27, negative conditional: 3, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1186, positive: 1143, positive conditional: 0, positive unconditional: 1143, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 43, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 27, negative conditional: 3, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 161, positive: 36, positive conditional: 20, positive unconditional: 16, negative: 125, negative conditional: 8, negative unconditional: 117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6321, positive: 4477, positive conditional: 842, positive unconditional: 3635, negative: 658, negative conditional: 45, negative unconditional: 613, unknown: 1186, unknown conditional: 13, unknown unconditional: 1173] , Statistics on independence cache: Total cache size (in pairs): 1186, Positive cache size: 1159, Positive conditional cache size: 10, Positive unconditional cache size: 1149, Negative cache size: 27, Negative conditional cache size: 3, Negative unconditional cache size: 24, Eliminated conditions: 4057, Maximal queried relation: 6, Independence queries for same thread: 46 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 260, Number of persistent set computation: 413, Number of trivial persistent sets: 232, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1173, positive: 1149, positive conditional: 0, positive unconditional: 1149, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5788, positive: 5636, positive conditional: 4487, positive unconditional: 1149, negative: 152, negative conditional: 128, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5742, positive: 5636, positive conditional: 4487, positive unconditional: 1149, negative: 106, negative conditional: 82, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5742, positive: 5636, positive conditional: 4487, positive unconditional: 1149, negative: 106, negative conditional: 82, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6321, positive: 5636, positive conditional: 4378, positive unconditional: 1258, negative: 685, negative conditional: 579, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6321, positive: 5636, positive conditional: 852, positive unconditional: 4784, negative: 685, negative conditional: 48, negative unconditional: 637, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6321, positive: 5636, positive conditional: 852, positive unconditional: 4784, negative: 685, negative conditional: 48, negative unconditional: 637, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1186, positive: 1159, positive conditional: 10, positive unconditional: 1149, negative: 27, negative conditional: 3, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1186, positive: 1143, positive conditional: 0, positive unconditional: 1143, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 43, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 27, negative conditional: 3, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 161, positive: 36, positive conditional: 20, positive unconditional: 16, negative: 125, negative conditional: 8, negative unconditional: 117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6321, positive: 4477, positive conditional: 842, positive unconditional: 3635, negative: 658, negative conditional: 45, negative unconditional: 613, unknown: 1186, unknown conditional: 13, unknown unconditional: 1173] , Statistics on independence cache: Total cache size (in pairs): 1186, Positive cache size: 1159, Positive conditional cache size: 10, Positive unconditional cache size: 1149, Negative cache size: 27, Negative conditional cache size: 3, Negative unconditional cache size: 24, Eliminated conditions: 4057, Maximal queried relation: 6, Independence queries for same thread: 46 - 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 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 106 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2602.5ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 20.5ms, PartialOrderReductionTime: 1117.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 39, 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: 23.0ms SsaConstructionTime, 193.5ms SatisfiabilityAnalysisTime, 956.1ms InterpolantComputationTime, 343 NumberOfCodeBlocks, 343 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 337 ConstructedInterpolants, 0 QuantifiedInterpolants, 808 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-08-07 19:49:22,629 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 [2021-08-07 19:49:22,836 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...