/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe010_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 17:38:23,714 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 17:38:23,715 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 17:38:23,753 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 17:38:23,798 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf [2021-07-14 17:38:23,826 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 17:38:23,826 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 17:38:23,827 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 17:38:23,827 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 17:38:23,829 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 17:38:23,829 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 17:38:23,829 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 17:38:23,829 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 17:38:23,829 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 17:38:23,829 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 17:38:23,830 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 17:38:23,830 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 17:38:23,830 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 17:38:23,830 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 17:38:23,830 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 17:38:23,830 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 17:38:23,830 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 17:38:23,831 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 17:38:23,831 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 17:38:23,831 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 17:38:23,831 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 17:38:23,831 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 17:38:23,831 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 17:38:23,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 17:38:23,831 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 17:38:23,831 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 17:38:23,831 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 17:38:23,832 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 17:38:23,832 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-14 17:38:23,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 17:38:23,832 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 17:38:23,832 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 17:38:23,832 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 17:38:23,832 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 17:38:23,832 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 17:38:24,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 17:38:24,159 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 17:38:24,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 17:38:24,161 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-14 17:38:24,166 INFO L275 PluginConnector]: CDTParser initialized [2021-07-14 17:38:24,166 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe010_tso.oepc.i [2021-07-14 17:38:24,229 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ad90c93e/fefda0e5971b4fccb997f3d47bfa4969/FLAG8e3f124b0 [2021-07-14 17:38:24,677 INFO L306 CDTParser]: Found 1 translation units. [2021-07-14 17:38:24,677 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe010_tso.oepc.i [2021-07-14 17:38:24,689 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ad90c93e/fefda0e5971b4fccb997f3d47bfa4969/FLAG8e3f124b0 [2021-07-14 17:38:25,040 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ad90c93e/fefda0e5971b4fccb997f3d47bfa4969 [2021-07-14 17:38:25,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 17:38:25,044 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-14 17:38:25,045 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-14 17:38:25,045 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-14 17:38:25,048 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-14 17:38:25,049 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 05:38:25" (1/1) ... [2021-07-14 17:38:25,049 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b8c9110 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:38:25, skipping insertion in model container [2021-07-14 17:38:25,049 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 05:38:25" (1/1) ... [2021-07-14 17:38:25,054 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-14 17:38:25,090 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-14 17:38:25,239 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/safe010_tso.oepc.i[950,963] [2021-07-14 17:38:25,372 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 17:38:25,378 INFO L203 MainTranslator]: Completed pre-run [2021-07-14 17:38:25,387 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/safe010_tso.oepc.i[950,963] [2021-07-14 17:38:25,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 17:38:25,444 INFO L208 MainTranslator]: Completed translation [2021-07-14 17:38:25,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:38:25 WrapperNode [2021-07-14 17:38:25,444 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-14 17:38:25,445 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 17:38:25,445 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 17:38:25,446 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 17:38:25,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:38:25" (1/1) ... [2021-07-14 17:38:25,474 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:38:25" (1/1) ... [2021-07-14 17:38:25,489 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 17:38:25,490 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 17:38:25,490 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 17:38:25,490 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 17:38:25,496 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:38:25" (1/1) ... [2021-07-14 17:38:25,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:38:25" (1/1) ... [2021-07-14 17:38:25,499 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:38:25" (1/1) ... [2021-07-14 17:38:25,500 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:38:25" (1/1) ... [2021-07-14 17:38:25,513 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:38:25" (1/1) ... [2021-07-14 17:38:25,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:38:25" (1/1) ... [2021-07-14 17:38:25,515 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:38:25" (1/1) ... [2021-07-14 17:38:25,516 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 17:38:25,517 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 17:38:25,517 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 17:38:25,517 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 17:38:25,518 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:38:25" (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 [2021-07-14 17:38:25,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-14 17:38:25,582 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-07-14 17:38:25,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-14 17:38:25,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-14 17:38:25,583 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-07-14 17:38:25,583 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-07-14 17:38:25,583 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-07-14 17:38:25,583 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-07-14 17:38:25,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-14 17:38:25,583 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-07-14 17:38:25,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 17:38:25,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 17:38:25,585 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 17:38:25,879 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 17:38:25,879 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-07-14 17:38:25,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 05:38:25 BoogieIcfgContainer [2021-07-14 17:38:25,881 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 17:38:25,882 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 17:38:25,882 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 17:38:25,884 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 17:38:25,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 05:38:25" (1/3) ... [2021-07-14 17:38:25,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a5d347c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 05:38:25, skipping insertion in model container [2021-07-14 17:38:25,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:38:25" (2/3) ... [2021-07-14 17:38:25,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a5d347c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 05:38:25, skipping insertion in model container [2021-07-14 17:38:25,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 05:38:25" (3/3) ... [2021-07-14 17:38:25,885 INFO L111 eAbstractionObserver]: Analyzing ICFG safe010_tso.oepc.i [2021-07-14 17:38:25,889 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 17:38:25,889 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 17:38:25,889 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 17:38:25,890 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 17:38:25,906 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:38:25,907 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:38:25,907 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:38:25,907 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:38:25,907 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:38:25,907 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:38:25,907 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:38:25,907 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:38:25,908 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:38:25,908 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:38:25,908 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:38:25,908 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:38:25,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:38:25,908 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:38:25,908 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:38:25,908 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:38:25,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:38:25,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:38:25,909 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:38:25,909 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:38:25,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:38:25,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:38:25,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:38:25,910 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:38:25,911 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:38:25,911 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:38:25,911 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:38:25,911 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:38:25,915 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:38:25,915 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:38:25,915 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:38:25,915 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 17:38:25,917 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-14 17:38:25,932 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 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 [2021-07-14 17:38:25,967 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 17:38:25,967 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 17:38:25,967 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 17:38:25,967 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 17:38:25,967 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 17:38:25,968 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 17:38:25,968 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 17:38:25,968 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 17:38:26,116 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 17:38:26,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 17:38:26,120 INFO L82 PathProgramCache]: Analyzing trace with hash -2009155784, now seen corresponding path program 1 times [2021-07-14 17:38:26,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 17:38:26,127 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058509856] [2021-07-14 17:38:26,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 17:38:26,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 17:38:26,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 17:38:26,312 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 17:38:26,313 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058509856] [2021-07-14 17:38:26,314 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058509856] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 17:38:26,314 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 17:38:26,314 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 17:38:26,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803262458] [2021-07-14 17:38:26,317 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-14 17:38:26,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 17:38:26,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-14 17:38:26,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-14 17:38:26,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:38:26,341 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 17:38:26,344 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 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) [2021-07-14 17:38:26,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:38:26,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:38:26,356 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 17:38:26,357 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 17:38:26,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 17:38:26,360 INFO L82 PathProgramCache]: Analyzing trace with hash -784192416, now seen corresponding path program 1 times [2021-07-14 17:38:26,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 17:38:26,361 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612372848] [2021-07-14 17:38:26,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 17:38:26,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 17:38:26,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 17:38:26,546 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 17:38:26,546 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612372848] [2021-07-14 17:38:26,546 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612372848] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 17:38:26,546 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 17:38:26,546 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-14 17:38:26,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243097396] [2021-07-14 17:38:26,547 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 17:38:26,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 17:38:26,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 17:38:26,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-14 17:38:26,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:38:26,548 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 17:38:26,548 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 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) [2021-07-14 17:38:26,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:38:26,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:38:26,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:38:26,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 17:38:26,636 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 17:38:26,637 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 17:38:26,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 17:38:26,637 INFO L82 PathProgramCache]: Analyzing trace with hash 94627672, now seen corresponding path program 2 times [2021-07-14 17:38:26,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 17:38:26,637 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415634847] [2021-07-14 17:38:26,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 17:38:26,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 17:38:26,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 17:38:26,724 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 17:38:26,724 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415634847] [2021-07-14 17:38:26,725 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415634847] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 17:38:26,725 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 17:38:26,725 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-14 17:38:26,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965895634] [2021-07-14 17:38:26,725 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 17:38:26,725 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 17:38:26,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 17:38:26,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-07-14 17:38:26,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:38:26,726 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 17:38:26,726 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 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) [2021-07-14 17:38:26,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:38:26,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 17:38:26,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:38:26,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:38:26,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 17:38:26,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 17:38:26,939 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-14 17:38:26,939 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 17:38:26,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 17:38:26,940 INFO L82 PathProgramCache]: Analyzing trace with hash 452003386, now seen corresponding path program 3 times [2021-07-14 17:38:26,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 17:38:26,940 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257186956] [2021-07-14 17:38:26,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 17:38:26,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 17:38:27,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 17:38:27,010 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 17:38:27,010 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257186956] [2021-07-14 17:38:27,010 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257186956] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 17:38:27,010 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 17:38:27,010 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-14 17:38:27,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298331997] [2021-07-14 17:38:27,011 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 17:38:27,011 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 17:38:27,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 17:38:27,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-07-14 17:38:27,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:38:27,011 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 17:38:27,012 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 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) [2021-07-14 17:38:27,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:38:27,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 17:38:27,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 17:38:27,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:38:27,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 17:38:27,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 17:38:27,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 17:38:27,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 17:38:27,113 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-14 17:38:27,120 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 17:38:27,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 05:38:27 BasicIcfg [2021-07-14 17:38:27,121 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 17:38:27,122 INFO L168 Benchmark]: Toolchain (without parser) took 2077.98 ms. Allocated memory is still 194.0 MB. Free memory was 156.1 MB in the beginning and 80.3 MB in the end (delta: 75.7 MB). Peak memory consumption was 74.9 MB. Max. memory is 8.0 GB. [2021-07-14 17:38:27,122 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 194.0 MB. Free memory is still 174.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 17:38:27,122 INFO L168 Benchmark]: CACSL2BoogieTranslator took 399.58 ms. Allocated memory is still 194.0 MB. Free memory was 155.9 MB in the beginning and 166.5 MB in the end (delta: -10.6 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-07-14 17:38:27,122 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.08 ms. Allocated memory is still 194.0 MB. Free memory was 166.5 MB in the beginning and 164.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 17:38:27,123 INFO L168 Benchmark]: Boogie Preprocessor took 26.27 ms. Allocated memory is still 194.0 MB. Free memory was 164.4 MB in the beginning and 163.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 17:38:27,123 INFO L168 Benchmark]: RCFGBuilder took 363.70 ms. Allocated memory is still 194.0 MB. Free memory was 163.3 MB in the beginning and 142.4 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-07-14 17:38:27,123 INFO L168 Benchmark]: TraceAbstraction took 1239.36 ms. Allocated memory is still 194.0 MB. Free memory was 141.8 MB in the beginning and 80.3 MB in the end (delta: 61.5 MB). Peak memory consumption was 62.0 MB. Max. memory is 8.0 GB. [2021-07-14 17:38:27,124 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 194.0 MB. Free memory is still 174.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 399.58 ms. Allocated memory is still 194.0 MB. Free memory was 155.9 MB in the beginning and 166.5 MB in the end (delta: -10.6 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 44.08 ms. Allocated memory is still 194.0 MB. Free memory was 166.5 MB in the beginning and 164.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 26.27 ms. Allocated memory is still 194.0 MB. Free memory was 164.4 MB in the beginning and 163.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 363.70 ms. Allocated memory is still 194.0 MB. Free memory was 163.3 MB in the beginning and 142.4 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1239.36 ms. Allocated memory is still 194.0 MB. Free memory was 141.8 MB in the beginning and 80.3 MB in the end (delta: 61.5 MB). Peak memory consumption was 62.0 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: 5233, positive: 5025, positive conditional: 2000, positive unconditional: 3025, negative: 208, negative conditional: 156, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 5101, positive: 5025, positive conditional: 2000, positive unconditional: 3025, negative: 76, negative conditional: 24, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 5101, positive: 5003, positive conditional: 0, positive unconditional: 5003, negative: 98, negative conditional: 0, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 618, positive: 605, positive conditional: 0, positive unconditional: 605, 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: 618, positive: 603, positive conditional: 0, positive unconditional: 603, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15, positive: 2, positive conditional: 0, positive unconditional: 2, 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: 20, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 15, negative conditional: 2, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 87, positive: 10, positive conditional: 3, positive unconditional: 7, negative: 78, negative conditional: 2, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5101, positive: 4398, positive conditional: 0, positive unconditional: 4398, negative: 85, negative conditional: 0, negative unconditional: 85, unknown: 618, unknown conditional: 0, unknown unconditional: 618] , Statistics on independence cache: Total cache size (in pairs): 623, Positive cache size: 608, Positive conditional cache size: 3, Positive unconditional cache size: 605, Negative cache size: 15, Negative conditional cache size: 2, Negative unconditional cache size: 13, SemanticConditionEliminator.Independence Queries: [ total: 258, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 236, negative conditional: 14, negative unconditional: 222, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 258, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 236, negative conditional: 14, negative unconditional: 222, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 15, negative conditional: 2, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 87, positive: 10, positive conditional: 3, positive unconditional: 7, negative: 78, negative conditional: 2, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 258, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 234, negative conditional: 12, negative unconditional: 222, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 623, Positive cache size: 608, Positive conditional cache size: 3, Positive unconditional cache size: 605, Negative cache size: 15, Negative conditional cache size: 2, Negative unconditional cache size: 13, Eliminated conditions: 108, SemanticConditionEliminator.Independence Queries: [ total: 258, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 236, negative conditional: 14, negative unconditional: 222, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 258, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 236, negative conditional: 14, negative unconditional: 222, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 15, negative conditional: 2, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 87, positive: 10, positive conditional: 3, positive unconditional: 7, negative: 78, negative conditional: 2, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 258, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 234, negative conditional: 12, negative unconditional: 222, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 623, Positive cache size: 608, Positive conditional cache size: 3, Positive unconditional cache size: 605, Negative cache size: 15, Negative conditional cache size: 2, Negative unconditional cache size: 13, Eliminated conditions: 108, SemanticConditionEliminator.Independence Queries: [ total: 258, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 236, negative conditional: 14, negative unconditional: 222, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 258, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 236, negative conditional: 14, negative unconditional: 222, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 15, negative conditional: 2, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 87, positive: 10, positive conditional: 3, positive unconditional: 7, negative: 78, negative conditional: 2, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 258, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 234, negative conditional: 12, negative unconditional: 222, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 623, Positive cache size: 608, Positive conditional cache size: 3, Positive unconditional cache size: 605, Negative cache size: 15, Negative conditional cache size: 2, Negative unconditional cache size: 13, Eliminated conditions: 108, SemanticConditionEliminator.Independence Queries: [ total: 258, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 236, negative conditional: 14, negative unconditional: 222, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 258, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 236, negative conditional: 14, negative unconditional: 222, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 15, negative conditional: 2, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 87, positive: 10, positive conditional: 3, positive unconditional: 7, negative: 78, negative conditional: 2, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 258, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 234, negative conditional: 12, negative unconditional: 222, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 623, Positive cache size: 608, Positive conditional cache size: 3, Positive unconditional cache size: 605, Negative cache size: 15, Negative conditional cache size: 2, Negative unconditional cache size: 13, Eliminated conditions: 108 ], Maximal queried relation: 4, Independence queries for same thread: 132 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 152, Number of persistent set computation: 401, Number of trivial persistent sets: 355, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5233, positive: 5025, positive conditional: 2000, positive unconditional: 3025, negative: 208, negative conditional: 156, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 5101, positive: 5025, positive conditional: 2000, positive unconditional: 3025, negative: 76, negative conditional: 24, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 5101, positive: 5003, positive conditional: 0, positive unconditional: 5003, negative: 98, negative conditional: 0, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 618, positive: 605, positive conditional: 0, positive unconditional: 605, 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: 618, positive: 603, positive conditional: 0, positive unconditional: 603, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15, positive: 2, positive conditional: 0, positive unconditional: 2, 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: 20, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 15, negative conditional: 2, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 87, positive: 10, positive conditional: 3, positive unconditional: 7, negative: 78, negative conditional: 2, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5101, positive: 4398, positive conditional: 0, positive unconditional: 4398, negative: 85, negative conditional: 0, negative unconditional: 85, unknown: 618, unknown conditional: 0, unknown unconditional: 618] , Statistics on independence cache: Total cache size (in pairs): 623, Positive cache size: 608, Positive conditional cache size: 3, Positive unconditional cache size: 605, Negative cache size: 15, Negative conditional cache size: 2, Negative unconditional cache size: 13, SemanticConditionEliminator.Independence Queries: [ total: 258, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 236, negative conditional: 14, negative unconditional: 222, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 258, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 236, negative conditional: 14, negative unconditional: 222, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 15, negative conditional: 2, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 87, positive: 10, positive conditional: 3, positive unconditional: 7, negative: 78, negative conditional: 2, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 258, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 234, negative conditional: 12, negative unconditional: 222, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 623, Positive cache size: 608, Positive conditional cache size: 3, Positive unconditional cache size: 605, Negative cache size: 15, Negative conditional cache size: 2, Negative unconditional cache size: 13, Eliminated conditions: 108, SemanticConditionEliminator.Independence Queries: [ total: 258, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 236, negative conditional: 14, negative unconditional: 222, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 258, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 236, negative conditional: 14, negative unconditional: 222, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 15, negative conditional: 2, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 87, positive: 10, positive conditional: 3, positive unconditional: 7, negative: 78, negative conditional: 2, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 258, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 234, negative conditional: 12, negative unconditional: 222, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 623, Positive cache size: 608, Positive conditional cache size: 3, Positive unconditional cache size: 605, Negative cache size: 15, Negative conditional cache size: 2, Negative unconditional cache size: 13, Eliminated conditions: 108, SemanticConditionEliminator.Independence Queries: [ total: 258, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 236, negative conditional: 14, negative unconditional: 222, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 258, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 236, negative conditional: 14, negative unconditional: 222, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 15, negative conditional: 2, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 87, positive: 10, positive conditional: 3, positive unconditional: 7, negative: 78, negative conditional: 2, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 258, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 234, negative conditional: 12, negative unconditional: 222, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 623, Positive cache size: 608, Positive conditional cache size: 3, Positive unconditional cache size: 605, Negative cache size: 15, Negative conditional cache size: 2, Negative unconditional cache size: 13, Eliminated conditions: 108, SemanticConditionEliminator.Independence Queries: [ total: 258, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 236, negative conditional: 14, negative unconditional: 222, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 258, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 236, negative conditional: 14, negative unconditional: 222, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 15, negative conditional: 2, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 87, positive: 10, positive conditional: 3, positive unconditional: 7, negative: 78, negative conditional: 2, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 258, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 234, negative conditional: 12, negative unconditional: 222, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 623, Positive cache size: 608, Positive conditional cache size: 3, Positive unconditional cache size: 605, Negative cache size: 15, Negative conditional cache size: 2, Negative unconditional cache size: 13, Eliminated conditions: 108 ], Maximal queried relation: 4, Independence queries for same thread: 132 - 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 5 procedures, 81 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1175.6ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.2ms, PartialOrderReductionTime: 547.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 25, 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: 13.4ms SsaConstructionTime, 113.7ms SatisfiabilityAnalysisTime, 327.9ms InterpolantComputationTime, 209 NumberOfCodeBlocks, 209 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 205 ConstructedInterpolants, 0 QuantifiedInterpolants, 498 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...