/usr/bin/java -Xmx16000000000 -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-DelaySleep-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe007_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 13:59:38,356 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 13:59:38,357 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 13:59:38,375 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 13:59:38,397 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-DelaySleep-NoLbe-Random42.epf [2021-06-06 13:59:38,412 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 13:59:38,412 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 13:59:38,412 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 13:59:38,412 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 13:59:38,413 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 13:59:38,413 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 13:59:38,413 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 13:59:38,413 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 13:59:38,414 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 13:59:38,414 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 13:59:38,414 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 13:59:38,414 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 13:59:38,414 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 13:59:38,414 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 13:59:38,414 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 13:59:38,415 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 13:59:38,415 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 13:59:38,415 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 13:59:38,415 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 13:59:38,415 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 13:59:38,415 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 13:59:38,415 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 13:59:38,416 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 13:59:38,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 13:59:38,416 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 13:59:38,416 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 13:59:38,416 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 13:59:38,416 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 13:59:38,416 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-06 13:59:38,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 13:59:38,417 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 13:59:38,417 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 13:59:38,417 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 13:59:38,417 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 13:59:38,417 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-06 13:59:38,417 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 13:59:38,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 13:59:38,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 13:59:38,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 13:59:38,667 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-06 13:59:38,668 INFO L275 PluginConnector]: CDTParser initialized [2021-06-06 13:59:38,668 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe007_pso.opt.i [2021-06-06 13:59:38,712 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/befb67365/45173426fe3745e2ae9dbcdee68b9ad0/FLAG5a7414330 [2021-06-06 13:59:39,065 INFO L306 CDTParser]: Found 1 translation units. [2021-06-06 13:59:39,065 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe007_pso.opt.i [2021-06-06 13:59:39,080 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/befb67365/45173426fe3745e2ae9dbcdee68b9ad0/FLAG5a7414330 [2021-06-06 13:59:39,448 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/befb67365/45173426fe3745e2ae9dbcdee68b9ad0 [2021-06-06 13:59:39,449 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 13:59:39,451 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-06 13:59:39,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-06 13:59:39,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-06 13:59:39,462 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-06 13:59:39,463 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 01:59:39" (1/1) ... [2021-06-06 13:59:39,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2616a51c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:59:39, skipping insertion in model container [2021-06-06 13:59:39,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 01:59:39" (1/1) ... [2021-06-06 13:59:39,472 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-06 13:59:39,496 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-06 13:59:39,613 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/safe007_pso.opt.i[949,962] [2021-06-06 13:59:39,741 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 13:59:39,749 INFO L203 MainTranslator]: Completed pre-run [2021-06-06 13:59:39,758 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/safe007_pso.opt.i[949,962] [2021-06-06 13:59:39,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 13:59:39,837 INFO L208 MainTranslator]: Completed translation [2021-06-06 13:59:39,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:59:39 WrapperNode [2021-06-06 13:59:39,839 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-06 13:59:39,840 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 13:59:39,840 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 13:59:39,840 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 13:59:39,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:59:39" (1/1) ... [2021-06-06 13:59:39,867 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:59:39" (1/1) ... [2021-06-06 13:59:39,879 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 13:59:39,880 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 13:59:39,880 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 13:59:39,880 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 13:59:39,884 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:59:39" (1/1) ... [2021-06-06 13:59:39,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:59:39" (1/1) ... [2021-06-06 13:59:39,889 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:59:39" (1/1) ... [2021-06-06 13:59:39,889 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:59:39" (1/1) ... [2021-06-06 13:59:39,892 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:59:39" (1/1) ... [2021-06-06 13:59:39,893 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:59:39" (1/1) ... [2021-06-06 13:59:39,894 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:59:39" (1/1) ... [2021-06-06 13:59:39,896 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 13:59:39,896 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 13:59:39,896 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 13:59:39,896 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 13:59:39,897 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:59:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 13:59:39,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-06 13:59:39,956 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-06 13:59:39,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-06 13:59:39,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-06 13:59:39,956 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-06 13:59:39,956 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-06 13:59:39,956 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-06 13:59:39,956 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-06 13:59:39,956 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-06 13:59:39,957 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-06 13:59:39,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-06 13:59:39,957 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-06 13:59:39,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 13:59:39,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 13:59:39,958 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 13:59:40,274 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 13:59:40,274 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-06 13:59:40,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 01:59:40 BoogieIcfgContainer [2021-06-06 13:59:40,276 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 13:59:40,278 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 13:59:40,278 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 13:59:40,281 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 13:59:40,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.06 01:59:39" (1/3) ... [2021-06-06 13:59:40,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a28b1bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 01:59:40, skipping insertion in model container [2021-06-06 13:59:40,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:59:39" (2/3) ... [2021-06-06 13:59:40,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a28b1bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 01:59:40, skipping insertion in model container [2021-06-06 13:59:40,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 01:59:40" (3/3) ... [2021-06-06 13:59:40,284 INFO L111 eAbstractionObserver]: Analyzing ICFG safe007_pso.opt.i [2021-06-06 13:59:40,287 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 13:59:40,287 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 13:59:40,287 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 13:59:40,288 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 13:59:40,313 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:59:40,314 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:59:40,314 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:59:40,314 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:59:40,314 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:59:40,314 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:59:40,314 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:59:40,314 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:59:40,315 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:59:40,315 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:59:40,315 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:59:40,315 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:59:40,315 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:59:40,315 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:59:40,315 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:59:40,315 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:59:40,315 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:59:40,316 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:59:40,316 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:59:40,316 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:59:40,316 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:59:40,316 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:59:40,316 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:59:40,316 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:59:40,317 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:59:40,317 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:59:40,317 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:59:40,317 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:59:40,317 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:59:40,317 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:59:40,317 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:59:40,317 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:59:40,317 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:59:40,318 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:59:40,318 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:59:40,318 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:59:40,319 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:59:40,319 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:59:40,319 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:59:40,319 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:59:40,322 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:59:40,322 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:59:40,323 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:59:40,323 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:59:40,324 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:59:40,324 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:59:40,324 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:59:40,324 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:59:40,325 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-06 13:59:40,339 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 13:59:40,376 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 13:59:40,376 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 13:59:40,376 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 13:59:40,376 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 13:59:40,376 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 13:59:40,377 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 13:59:40,377 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 13:59:40,377 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 13:59:40,455 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 13:59:40,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 13:59:40,458 INFO L82 PathProgramCache]: Analyzing trace with hash -1699874213, now seen corresponding path program 1 times [2021-06-06 13:59:40,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 13:59:40,464 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882319203] [2021-06-06 13:59:40,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 13:59:40,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 13:59:40,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 13:59:40,800 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 13:59:40,800 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882319203] [2021-06-06 13:59:40,801 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882319203] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 13:59:40,801 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 13:59:40,801 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-06 13:59:40,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139225445] [2021-06-06 13:59:40,804 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 13:59:40,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 13:59:40,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 13:59:40,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-06 13:59:40,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:59:40,813 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 13:59:40,821 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 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) [2021-06-06 13:59:40,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:59:41,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 13:59:41,404 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 13:59:41,404 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 13:59:41,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 13:59:41,404 INFO L82 PathProgramCache]: Analyzing trace with hash -1101433715, now seen corresponding path program 2 times [2021-06-06 13:59:41,404 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 13:59:41,404 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403772268] [2021-06-06 13:59:41,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 13:59:41,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 13:59:41,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 13:59:41,516 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 13:59:41,517 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403772268] [2021-06-06 13:59:41,517 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403772268] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 13:59:41,518 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 13:59:41,518 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-06 13:59:41,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093706509] [2021-06-06 13:59:41,519 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 13:59:41,526 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 13:59:41,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 13:59:41,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-06 13:59:41,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:59:41,527 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 13:59:41,527 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 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) [2021-06-06 13:59:41,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 13:59:41,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:59:42,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 13:59:42,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 13:59:42,039 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 13:59:42,039 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 13:59:42,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 13:59:42,040 INFO L82 PathProgramCache]: Analyzing trace with hash 571388545, now seen corresponding path program 3 times [2021-06-06 13:59:42,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 13:59:42,040 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081503959] [2021-06-06 13:59:42,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 13:59:42,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 13:59:42,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 13:59:42,145 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 13:59:42,145 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081503959] [2021-06-06 13:59:42,145 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081503959] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 13:59:42,145 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 13:59:42,146 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-06 13:59:42,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409021026] [2021-06-06 13:59:42,146 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 13:59:42,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 13:59:42,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 13:59:42,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-06 13:59:42,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:59:42,147 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 13:59:42,147 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 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) [2021-06-06 13:59:42,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 13:59:42,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 13:59:42,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:59:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 13:59:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 13:59:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 13:59:42,940 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-06 13:59:42,949 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-06 13:59:42,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.06 01:59:42 BasicIcfg [2021-06-06 13:59:42,950 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-06 13:59:42,951 INFO L168 Benchmark]: Toolchain (without parser) took 3500.26 ms. Allocated memory was 379.6 MB in the beginning and 459.3 MB in the end (delta: 79.7 MB). Free memory was 342.0 MB in the beginning and 214.4 MB in the end (delta: 127.6 MB). Peak memory consumption was 210.3 MB. Max. memory is 16.0 GB. [2021-06-06 13:59:42,952 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 379.6 MB. Free memory was 359.9 MB in the beginning and 359.8 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 13:59:42,954 INFO L168 Benchmark]: CACSL2BoogieTranslator took 386.89 ms. Allocated memory is still 379.6 MB. Free memory was 341.9 MB in the beginning and 341.3 MB in the end (delta: 569.7 kB). Peak memory consumption was 7.0 MB. Max. memory is 16.0 GB. [2021-06-06 13:59:42,954 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.17 ms. Allocated memory is still 379.6 MB. Free memory was 341.3 MB in the beginning and 339.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 13:59:42,955 INFO L168 Benchmark]: Boogie Preprocessor took 16.10 ms. Allocated memory is still 379.6 MB. Free memory was 339.2 MB in the beginning and 338.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 13:59:42,955 INFO L168 Benchmark]: RCFGBuilder took 380.25 ms. Allocated memory is still 379.6 MB. Free memory was 338.1 MB in the beginning and 311.9 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-06-06 13:59:42,955 INFO L168 Benchmark]: TraceAbstraction took 2671.72 ms. Allocated memory was 379.6 MB in the beginning and 459.3 MB in the end (delta: 79.7 MB). Free memory was 310.9 MB in the beginning and 214.4 MB in the end (delta: 96.4 MB). Peak memory consumption was 176.1 MB. Max. memory is 16.0 GB. [2021-06-06 13:59:42,959 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 379.6 MB. Free memory was 359.9 MB in the beginning and 359.8 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 386.89 ms. Allocated memory is still 379.6 MB. Free memory was 341.9 MB in the beginning and 341.3 MB in the end (delta: 569.7 kB). Peak memory consumption was 7.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 39.17 ms. Allocated memory is still 379.6 MB. Free memory was 341.3 MB in the beginning and 339.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 16.10 ms. Allocated memory is still 379.6 MB. Free memory was 339.2 MB in the beginning and 338.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 380.25 ms. Allocated memory is still 379.6 MB. Free memory was 338.1 MB in the beginning and 311.9 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2671.72 ms. Allocated memory was 379.6 MB in the beginning and 459.3 MB in the end (delta: 79.7 MB). Free memory was 310.9 MB in the beginning and 214.4 MB in the end (delta: 96.4 MB). Peak memory consumption was 176.1 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 118171, positive: 113850, positive conditional: 113850, positive unconditional: 0, negative: 4321, negative conditional: 4321, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 114663, positive: 113850, positive conditional: 113850, positive unconditional: 0, negative: 813, negative conditional: 813, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 114663, positive: 113447, positive conditional: 0, positive unconditional: 113447, negative: 1216, negative conditional: 0, negative unconditional: 1216, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 865, positive: 852, positive conditional: 0, positive unconditional: 852, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 865, positive: 846, positive conditional: 0, positive unconditional: 846, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 34, positive: 14, positive conditional: 8, positive unconditional: 6, negative: 20, negative conditional: 7, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 93, positive: 32, positive conditional: 16, positive unconditional: 17, negative: 61, negative conditional: 7, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 114663, positive: 112595, positive conditional: 0, positive unconditional: 112595, negative: 1203, negative conditional: 0, negative unconditional: 1203, unknown: 865, unknown conditional: 0, unknown unconditional: 865] , Statistics on independence cache: Total cache size (in pairs): 880, Positive cache size: 860, Positive conditional cache size: 8, Positive unconditional cache size: 852, Negative cache size: 20, Negative conditional cache size: 7, Negative unconditional cache size: 13, SemanticConditionEliminator.Independence Queries: [ total: 2421, positive: 403, positive conditional: 403, positive unconditional: 0, negative: 2018, negative conditional: 110, negative unconditional: 1908, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2421, positive: 403, positive conditional: 403, positive unconditional: 0, negative: 2018, negative conditional: 110, negative unconditional: 1908, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 34, positive: 14, positive conditional: 8, positive unconditional: 6, negative: 20, negative conditional: 7, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 93, positive: 32, positive conditional: 16, positive unconditional: 17, negative: 61, negative conditional: 7, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2421, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 2011, negative conditional: 103, negative unconditional: 1908, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 880, Positive cache size: 860, Positive conditional cache size: 8, Positive unconditional cache size: 852, Negative cache size: 20, Negative conditional cache size: 7, Negative unconditional cache size: 13, Eliminated conditions: 1908, SemanticConditionEliminator.Independence Queries: [ total: 2421, positive: 403, positive conditional: 403, positive unconditional: 0, negative: 2018, negative conditional: 110, negative unconditional: 1908, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2421, positive: 403, positive conditional: 403, positive unconditional: 0, negative: 2018, negative conditional: 110, negative unconditional: 1908, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 34, positive: 14, positive conditional: 8, positive unconditional: 6, negative: 20, negative conditional: 7, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 93, positive: 32, positive conditional: 16, positive unconditional: 17, negative: 61, negative conditional: 7, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2421, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 2011, negative conditional: 103, negative unconditional: 1908, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 880, Positive cache size: 860, Positive conditional cache size: 8, Positive unconditional cache size: 852, Negative cache size: 20, Negative conditional cache size: 7, Negative unconditional cache size: 13, Eliminated conditions: 1908, SemanticConditionEliminator.Independence Queries: [ total: 2421, positive: 403, positive conditional: 403, positive unconditional: 0, negative: 2018, negative conditional: 110, negative unconditional: 1908, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2421, positive: 403, positive conditional: 403, positive unconditional: 0, negative: 2018, negative conditional: 110, negative unconditional: 1908, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 34, positive: 14, positive conditional: 8, positive unconditional: 6, negative: 20, negative conditional: 7, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 93, positive: 32, positive conditional: 16, positive unconditional: 17, negative: 61, negative conditional: 7, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2421, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 2011, negative conditional: 103, negative unconditional: 1908, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 880, Positive cache size: 860, Positive conditional cache size: 8, Positive unconditional cache size: 852, Negative cache size: 20, Negative conditional cache size: 7, Negative unconditional cache size: 13, Eliminated conditions: 1908 ], Maximal queried relation: 3, Independence queries for same thread: 3508 - 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, 108 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2599.1ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.1ms, PartialOrderReductionTime: 1950.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 33, 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: 12.3ms SsaConstructionTime, 106.4ms SatisfiabilityAnalysisTime, 364.9ms InterpolantComputationTime, 204 NumberOfCodeBlocks, 204 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 201 ConstructedInterpolants, 0 QuantifiedInterpolants, 591 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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! Received shutdown request...