/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-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe007_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-b7a4f01caba76767183cf06280be652b0b124764-b7a4f01 [2021-06-07 13:25:18,467 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-07 13:25:18,469 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-07 13:25:18,498 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-07 13:25:18,528 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-07 13:25:18,529 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-07 13:25:18,530 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-07 13:25:18,531 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-Lockstep.epf [2021-06-07 13:25:18,552 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-07 13:25:18,552 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-07 13:25:18,552 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-07 13:25:18,552 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-07 13:25:18,553 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-07 13:25:18,554 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-07 13:25:18,554 INFO L138 SettingsManager]: * Use SBE=true [2021-06-07 13:25:18,554 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-07 13:25:18,554 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-07 13:25:18,554 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-07 13:25:18,555 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-07 13:25:18,555 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-07 13:25:18,555 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-07 13:25:18,555 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-07 13:25:18,555 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-07 13:25:18,555 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-07 13:25:18,556 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-07 13:25:18,556 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-07 13:25:18,556 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-07 13:25:18,556 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-07 13:25:18,556 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-07 13:25:18,557 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-07 13:25:18,557 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-07 13:25:18,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 13:25:18,557 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-07 13:25:18,557 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-07 13:25:18,557 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-07 13:25:18,558 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-07 13:25:18,558 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-07 13:25:18,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-07 13:25:18,558 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-07 13:25:18,558 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-07 13:25:18,558 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-07 13:25:18,559 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-07 13:25:18,559 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-07 13:25:18,829 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-07 13:25:18,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-07 13:25:18,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-07 13:25:18,855 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-07 13:25:18,855 INFO L275 PluginConnector]: CDTParser initialized [2021-06-07 13:25:18,856 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe007_tso.opt.i [2021-06-07 13:25:18,920 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2e5cd98e/c2ed55f924654182ac5cd9b94b4f7f68/FLAGa9f57e1e6 [2021-06-07 13:25:19,459 INFO L306 CDTParser]: Found 1 translation units. [2021-06-07 13:25:19,459 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe007_tso.opt.i [2021-06-07 13:25:19,483 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2e5cd98e/c2ed55f924654182ac5cd9b94b4f7f68/FLAGa9f57e1e6 [2021-06-07 13:25:19,732 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2e5cd98e/c2ed55f924654182ac5cd9b94b4f7f68 [2021-06-07 13:25:19,734 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-07 13:25:19,736 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-07 13:25:19,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-07 13:25:19,737 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-07 13:25:19,742 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-07 13:25:19,742 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.06 01:25:19" (1/1) ... [2021-06-07 13:25:19,743 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7865a693 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:25:19, skipping insertion in model container [2021-06-07 13:25:19,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.06 01:25:19" (1/1) ... [2021-06-07 13:25:19,751 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-07 13:25:19,787 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-07 13:25:19,934 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_tso.opt.i[949,962] [2021-06-07 13:25:20,101 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-07 13:25:20,107 INFO L203 MainTranslator]: Completed pre-run [2021-06-07 13:25:20,120 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_tso.opt.i[949,962] [2021-06-07 13:25:20,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-07 13:25:20,243 INFO L208 MainTranslator]: Completed translation [2021-06-07 13:25:20,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:25:20 WrapperNode [2021-06-07 13:25:20,244 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-07 13:25:20,245 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-07 13:25:20,245 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-07 13:25:20,245 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-07 13:25:20,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:25:20" (1/1) ... [2021-06-07 13:25:20,282 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:25:20" (1/1) ... [2021-06-07 13:25:20,304 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-07 13:25:20,305 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-07 13:25:20,305 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-07 13:25:20,305 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-07 13:25:20,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:25:20" (1/1) ... [2021-06-07 13:25:20,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:25:20" (1/1) ... [2021-06-07 13:25:20,325 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:25:20" (1/1) ... [2021-06-07 13:25:20,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:25:20" (1/1) ... [2021-06-07 13:25:20,329 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:25:20" (1/1) ... [2021-06-07 13:25:20,330 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:25:20" (1/1) ... [2021-06-07 13:25:20,332 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:25:20" (1/1) ... [2021-06-07 13:25:20,333 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-07 13:25:20,334 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-07 13:25:20,334 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-07 13:25:20,334 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-07 13:25:20,335 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:25:20" (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 [2021-06-07 13:25:20,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-07 13:25:20,426 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-07 13:25:20,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-07 13:25:20,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-07 13:25:20,427 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-07 13:25:20,427 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-07 13:25:20,427 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-07 13:25:20,427 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-07 13:25:20,427 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-07 13:25:20,427 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-07 13:25:20,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-07 13:25:20,427 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-07 13:25:20,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-07 13:25:20,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-07 13:25:20,429 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-07 13:25:20,830 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-07 13:25:20,830 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-07 13:25:20,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 01:25:20 BoogieIcfgContainer [2021-06-07 13:25:20,834 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-07 13:25:20,835 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-07 13:25:20,835 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-07 13:25:20,838 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-07 13:25:20,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.06 01:25:19" (1/3) ... [2021-06-07 13:25:20,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@542f016c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 01:25:20, skipping insertion in model container [2021-06-07 13:25:20,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:25:20" (2/3) ... [2021-06-07 13:25:20,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@542f016c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 01:25:20, skipping insertion in model container [2021-06-07 13:25:20,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 01:25:20" (3/3) ... [2021-06-07 13:25:20,841 INFO L111 eAbstractionObserver]: Analyzing ICFG safe007_tso.opt.i [2021-06-07 13:25:20,846 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-07 13:25:20,847 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-07 13:25:20,847 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-07 13:25:20,848 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-07 13:25:20,884 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:25:20,884 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:25:20,884 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:25:20,884 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:25:20,884 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:25:20,885 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:25:20,887 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:25:20,887 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:25:20,888 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:25:20,888 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:25:20,888 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:25:20,888 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:25:20,889 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:25:20,889 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:25:20,889 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:25:20,889 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:25:20,891 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:25:20,891 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:25:20,891 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:25:20,892 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:25:20,896 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:25:20,896 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:25:20,897 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:25:20,897 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:25:20,898 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:25:20,898 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:25:20,898 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:25:20,898 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:25:20,899 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:25:20,899 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:25:20,899 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:25:20,899 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:25:20,900 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:25:20,900 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:25:20,900 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:25:20,900 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:25:20,903 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:25:20,903 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:25:20,903 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:25:20,903 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:25:20,908 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:25:20,909 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:25:20,909 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:25:20,909 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:25:20,912 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:25:20,912 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:25:20,912 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:25:20,912 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:25:20,916 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-07 13:25:20,937 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 [2021-06-07 13:25:20,991 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-07 13:25:20,992 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-07 13:25:20,995 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-07 13:25:20,995 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-07 13:25:20,995 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-07 13:25:20,995 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-07 13:25:20,995 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-07 13:25:20,996 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-07 13:25:21,088 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 13:25:21,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 13:25:21,093 INFO L82 PathProgramCache]: Analyzing trace with hash 2034567651, now seen corresponding path program 1 times [2021-06-07 13:25:21,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 13:25:21,101 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100302370] [2021-06-07 13:25:21,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 13:25:21,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 13:25:21,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 13:25:21,539 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 13:25:21,539 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100302370] [2021-06-07 13:25:21,540 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100302370] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 13:25:21,540 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 13:25:21,540 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-07 13:25:21,541 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348161059] [2021-06-07 13:25:21,544 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-07 13:25:21,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 13:25:21,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-07 13:25:21,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-07 13:25:21,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 13:25:21,560 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 13:25:21,561 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) [2021-06-07 13:25:21,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 13:25:22,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 13:25:22,659 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-07 13:25:22,660 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 13:25:22,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 13:25:22,662 INFO L82 PathProgramCache]: Analyzing trace with hash -228058037, now seen corresponding path program 2 times [2021-06-07 13:25:22,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 13:25:22,663 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49856276] [2021-06-07 13:25:22,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 13:25:22,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 13:25:22,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 13:25:22,884 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 13:25:22,886 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49856276] [2021-06-07 13:25:22,887 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49856276] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 13:25:22,887 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 13:25:22,887 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-07 13:25:22,887 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18027088] [2021-06-07 13:25:22,889 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-07 13:25:22,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 13:25:22,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-07 13:25:22,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-07 13:25:22,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 13:25:22,895 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 13:25:22,895 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) [2021-06-07 13:25:22,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 13:25:22,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 13:25:24,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 13:25:24,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 13:25:24,138 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-07 13:25:24,138 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 13:25:24,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 13:25:24,145 INFO L82 PathProgramCache]: Analyzing trace with hash 369104533, now seen corresponding path program 3 times [2021-06-07 13:25:24,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 13:25:24,146 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741841477] [2021-06-07 13:25:24,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 13:25:24,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 13:25:24,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 13:25:24,291 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 13:25:24,291 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741841477] [2021-06-07 13:25:24,291 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741841477] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 13:25:24,292 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 13:25:24,292 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-07 13:25:24,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297753946] [2021-06-07 13:25:24,293 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-07 13:25:24,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 13:25:24,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-07 13:25:24,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-07 13:25:24,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 13:25:24,293 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 13:25:24,294 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) [2021-06-07 13:25:24,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 13:25:24,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 13:25:24,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 13:25:25,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 13:25:25,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 13:25:25,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 13:25:25,960 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-07 13:25:25,971 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-07 13:25:25,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.06 01:25:25 BasicIcfg [2021-06-07 13:25:25,973 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-07 13:25:25,974 INFO L168 Benchmark]: Toolchain (without parser) took 6237.82 ms. Allocated memory was 341.8 MB in the beginning and 633.3 MB in the end (delta: 291.5 MB). Free memory was 304.6 MB in the beginning and 329.8 MB in the end (delta: -25.2 MB). Peak memory consumption was 267.9 MB. Max. memory is 16.0 GB. [2021-06-07 13:25:25,976 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 341.8 MB. Free memory was 322.8 MB in the beginning and 322.7 MB in the end (delta: 70.5 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-07 13:25:25,978 INFO L168 Benchmark]: CACSL2BoogieTranslator took 507.27 ms. Allocated memory is still 341.8 MB. Free memory was 304.5 MB in the beginning and 304.5 MB in the end (delta: -25.7 kB). Peak memory consumption was 9.0 MB. Max. memory is 16.0 GB. [2021-06-07 13:25:25,978 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.13 ms. Allocated memory is still 341.8 MB. Free memory was 304.5 MB in the beginning and 302.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-07 13:25:25,978 INFO L168 Benchmark]: Boogie Preprocessor took 29.03 ms. Allocated memory is still 341.8 MB. Free memory was 302.4 MB in the beginning and 301.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-07 13:25:25,979 INFO L168 Benchmark]: RCFGBuilder took 499.45 ms. Allocated memory is still 341.8 MB. Free memory was 301.3 MB in the beginning and 276.2 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-06-07 13:25:25,979 INFO L168 Benchmark]: TraceAbstraction took 5137.65 ms. Allocated memory was 341.8 MB in the beginning and 633.3 MB in the end (delta: 291.5 MB). Free memory was 276.2 MB in the beginning and 329.8 MB in the end (delta: -53.6 MB). Peak memory consumption was 238.9 MB. Max. memory is 16.0 GB. [2021-06-07 13:25:25,983 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 341.8 MB. Free memory was 322.8 MB in the beginning and 322.7 MB in the end (delta: 70.5 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 507.27 ms. Allocated memory is still 341.8 MB. Free memory was 304.5 MB in the beginning and 304.5 MB in the end (delta: -25.7 kB). Peak memory consumption was 9.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 59.13 ms. Allocated memory is still 341.8 MB. Free memory was 304.5 MB in the beginning and 302.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 29.03 ms. Allocated memory is still 341.8 MB. Free memory was 302.4 MB in the beginning and 301.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 499.45 ms. Allocated memory is still 341.8 MB. Free memory was 301.3 MB in the beginning and 276.2 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 5137.65 ms. Allocated memory was 341.8 MB in the beginning and 633.3 MB in the end (delta: 291.5 MB). Free memory was 276.2 MB in the beginning and 329.8 MB in the end (delta: -53.6 MB). Peak memory consumption was 238.9 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: 149588, positive: 145759, positive conditional: 145759, positive unconditional: 0, negative: 3829, negative conditional: 3829, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 146730, positive: 145759, positive conditional: 145759, positive unconditional: 0, negative: 971, negative conditional: 971, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 146730, positive: 145430, positive conditional: 0, positive unconditional: 145430, negative: 1300, negative conditional: 0, negative unconditional: 1300, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1031, positive: 1016, positive conditional: 0, positive unconditional: 1016, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1031, positive: 1010, positive conditional: 0, positive unconditional: 1010, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 38, positive: 13, positive conditional: 7, positive unconditional: 6, negative: 25, negative conditional: 10, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 139, positive: 42, positive conditional: 21, positive unconditional: 21, negative: 96, negative conditional: 20, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 146730, positive: 144414, positive conditional: 0, positive unconditional: 144414, negative: 1285, negative conditional: 0, negative unconditional: 1285, unknown: 1031, unknown conditional: 0, unknown unconditional: 1031] , Statistics on independence cache: Total cache size (in pairs): 1048, Positive cache size: 1023, Positive conditional cache size: 7, Positive unconditional cache size: 1016, Negative cache size: 25, Negative conditional cache size: 10, Negative unconditional cache size: 15, SemanticConditionEliminator.Independence Queries: [ total: 2801, positive: 329, positive conditional: 329, positive unconditional: 0, negative: 2472, negative conditional: 228, negative unconditional: 2244, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2801, positive: 329, positive conditional: 329, positive unconditional: 0, negative: 2472, negative conditional: 228, negative unconditional: 2244, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 38, positive: 13, positive conditional: 7, positive unconditional: 6, negative: 25, negative conditional: 10, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 139, positive: 42, positive conditional: 21, positive unconditional: 21, negative: 96, negative conditional: 20, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2801, positive: 322, positive conditional: 322, positive unconditional: 0, negative: 2462, negative conditional: 218, negative unconditional: 2244, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1048, Positive cache size: 1023, Positive conditional cache size: 7, Positive unconditional cache size: 1016, Negative cache size: 25, Negative conditional cache size: 10, Negative unconditional cache size: 15, Eliminated conditions: 2244, SemanticConditionEliminator.Independence Queries: [ total: 2801, positive: 329, positive conditional: 329, positive unconditional: 0, negative: 2472, negative conditional: 228, negative unconditional: 2244, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2801, positive: 329, positive conditional: 329, positive unconditional: 0, negative: 2472, negative conditional: 228, negative unconditional: 2244, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 38, positive: 13, positive conditional: 7, positive unconditional: 6, negative: 25, negative conditional: 10, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 139, positive: 42, positive conditional: 21, positive unconditional: 21, negative: 96, negative conditional: 20, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2801, positive: 322, positive conditional: 322, positive unconditional: 0, negative: 2462, negative conditional: 218, negative unconditional: 2244, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1048, Positive cache size: 1023, Positive conditional cache size: 7, Positive unconditional cache size: 1016, Negative cache size: 25, Negative conditional cache size: 10, Negative unconditional cache size: 15, Eliminated conditions: 2244, SemanticConditionEliminator.Independence Queries: [ total: 2801, positive: 329, positive conditional: 329, positive unconditional: 0, negative: 2472, negative conditional: 228, negative unconditional: 2244, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2801, positive: 329, positive conditional: 329, positive unconditional: 0, negative: 2472, negative conditional: 228, negative unconditional: 2244, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 38, positive: 13, positive conditional: 7, positive unconditional: 6, negative: 25, negative conditional: 10, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 139, positive: 42, positive conditional: 21, positive unconditional: 21, negative: 96, negative conditional: 20, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2801, positive: 322, positive conditional: 322, positive unconditional: 0, negative: 2462, negative conditional: 218, negative unconditional: 2244, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1048, Positive cache size: 1023, Positive conditional cache size: 7, Positive unconditional cache size: 1016, Negative cache size: 25, Negative conditional cache size: 10, Negative unconditional cache size: 15, Eliminated conditions: 2244 ], Maximal queried relation: 3, Independence queries for same thread: 2858 - 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: 5008.3ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.5ms, PartialOrderReductionTime: 4081.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 36, 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: 19.9ms SsaConstructionTime, 159.5ms SatisfiabilityAnalysisTime, 520.8ms InterpolantComputationTime, 204 NumberOfCodeBlocks, 204 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 201 ConstructedInterpolants, 0 QuantifiedInterpolants, 597 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...