/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.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe021_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 02:23:54,951 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 02:23:54,953 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 02:23:54,982 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 02:23:55,025 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.epf [2021-06-06 02:23:55,053 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 02:23:55,053 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 02:23:55,053 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 02:23:55,053 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 02:23:55,055 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 02:23:55,055 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 02:23:55,055 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 02:23:55,056 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 02:23:55,056 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 02:23:55,056 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 02:23:55,056 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 02:23:55,056 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 02:23:55,057 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 02:23:55,057 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 02:23:55,057 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 02:23:55,057 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 02:23:55,057 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 02:23:55,057 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 02:23:55,057 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 02:23:55,057 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 02:23:55,057 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 02:23:55,058 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 02:23:55,058 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 02:23:55,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 02:23:55,058 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 02:23:55,058 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 02:23:55,058 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 02:23:55,058 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 02:23:55,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 02:23:55,058 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 02:23:55,058 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 02:23:55,059 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 02:23:55,059 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 02:23:55,059 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 02:23:55,311 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 02:23:55,325 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 02:23:55,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 02:23:55,327 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-06 02:23:55,328 INFO L275 PluginConnector]: CDTParser initialized [2021-06-06 02:23:55,328 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe021_tso.opt.i [2021-06-06 02:23:55,381 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c705dc40c/aa5c47fa23ce4b069865d4ff6d9db23e/FLAGf7b18a784 [2021-06-06 02:23:55,820 INFO L306 CDTParser]: Found 1 translation units. [2021-06-06 02:23:55,820 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe021_tso.opt.i [2021-06-06 02:23:55,834 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c705dc40c/aa5c47fa23ce4b069865d4ff6d9db23e/FLAGf7b18a784 [2021-06-06 02:23:55,851 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c705dc40c/aa5c47fa23ce4b069865d4ff6d9db23e [2021-06-06 02:23:55,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 02:23:55,855 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-06 02:23:55,857 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-06 02:23:55,857 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-06 02:23:55,860 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-06 02:23:55,861 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 02:23:55" (1/1) ... [2021-06-06 02:23:55,861 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34516d77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:23:55, skipping insertion in model container [2021-06-06 02:23:55,861 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 02:23:55" (1/1) ... [2021-06-06 02:23:55,866 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-06 02:23:55,906 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-06 02:23:56,059 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/safe021_tso.opt.i[949,962] [2021-06-06 02:23:56,193 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 02:23:56,199 INFO L203 MainTranslator]: Completed pre-run [2021-06-06 02:23:56,207 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/safe021_tso.opt.i[949,962] [2021-06-06 02:23:56,244 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 02:23:56,297 INFO L208 MainTranslator]: Completed translation [2021-06-06 02:23:56,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:23:56 WrapperNode [2021-06-06 02:23:56,297 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-06 02:23:56,298 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 02:23:56,299 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 02:23:56,299 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 02:23:56,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:23:56" (1/1) ... [2021-06-06 02:23:56,328 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:23:56" (1/1) ... [2021-06-06 02:23:56,345 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 02:23:56,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 02:23:56,346 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 02:23:56,346 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 02:23:56,351 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:23:56" (1/1) ... [2021-06-06 02:23:56,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:23:56" (1/1) ... [2021-06-06 02:23:56,357 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:23:56" (1/1) ... [2021-06-06 02:23:56,357 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:23:56" (1/1) ... [2021-06-06 02:23:56,365 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:23:56" (1/1) ... [2021-06-06 02:23:56,367 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:23:56" (1/1) ... [2021-06-06 02:23:56,368 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:23:56" (1/1) ... [2021-06-06 02:23:56,369 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 02:23:56,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 02:23:56,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 02:23:56,370 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 02:23:56,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:23:56" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 02:23:56,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-06 02:23:56,421 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-06 02:23:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-06 02:23:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-06 02:23:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-06 02:23:56,423 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-06 02:23:56,423 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-06 02:23:56,423 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-06 02:23:56,423 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-06 02:23:56,423 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-06 02:23:56,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-06 02:23:56,423 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-06 02:23:56,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 02:23:56,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 02:23:56,428 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 02:23:56,659 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 02:23:56,659 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-06 02:23:56,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 02:23:56 BoogieIcfgContainer [2021-06-06 02:23:56,660 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 02:23:56,662 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 02:23:56,662 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 02:23:56,663 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 02:23:56,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.06 02:23:55" (1/3) ... [2021-06-06 02:23:56,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eff8940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 02:23:56, skipping insertion in model container [2021-06-06 02:23:56,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:23:56" (2/3) ... [2021-06-06 02:23:56,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eff8940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 02:23:56, skipping insertion in model container [2021-06-06 02:23:56,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 02:23:56" (3/3) ... [2021-06-06 02:23:56,665 INFO L111 eAbstractionObserver]: Analyzing ICFG safe021_tso.opt.i [2021-06-06 02:23:56,669 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 02:23:56,669 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 02:23:56,669 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 02:23:56,670 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 02:23:56,692 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:23:56,693 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:23:56,693 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:23:56,693 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:23:56,693 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:23:56,693 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:23:56,693 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:23:56,693 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:23:56,694 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:23:56,694 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:23:56,694 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:23:56,694 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:23:56,695 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:23:56,695 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:23:56,695 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:23:56,695 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:23:56,695 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:23:56,695 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:23:56,695 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:23:56,695 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:23:56,696 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:23:56,696 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:23:56,696 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:23:56,696 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:23:56,696 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:23:56,697 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:23:56,697 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:23:56,697 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:23:56,697 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:23:56,697 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:23:56,697 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:23:56,697 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:23:56,698 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:23:56,698 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:23:56,698 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:23:56,698 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:23:56,699 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:23:56,700 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:23:56,700 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:23:56,700 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:23:56,703 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:23:56,703 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:23:56,703 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:23:56,704 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:23:56,705 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:23:56,705 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:23:56,706 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:23:56,706 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:23:56,707 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-06 02:23:56,722 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) [2021-06-06 02:23:56,775 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 02:23:56,775 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 02:23:56,775 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 02:23:56,776 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 02:23:56,776 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 02:23:56,776 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 02:23:56,776 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 02:23:56,776 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 02:23:56,816 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 02:23:56,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 02:23:56,823 INFO L82 PathProgramCache]: Analyzing trace with hash 1783320579, now seen corresponding path program 1 times [2021-06-06 02:23:56,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 02:23:56,829 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952376027] [2021-06-06 02:23:56,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 02:23:56,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 02:23:57,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 02:23:57,190 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 02:23:57,190 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952376027] [2021-06-06 02:23:57,190 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952376027] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 02:23:57,191 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 02:23:57,191 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-06 02:23:57,191 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785192216] [2021-06-06 02:23:57,194 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 02:23:57,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 02:23:57,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 02:23:57,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-06 02:23:57,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 02:23:57,206 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 02:23:57,207 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 02:23:57,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 02:23:57,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 02:23:57,348 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 02:23:57,348 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 02:23:57,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 02:23:57,351 INFO L82 PathProgramCache]: Analyzing trace with hash 272399172, now seen corresponding path program 1 times [2021-06-06 02:23:57,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 02:23:57,352 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461298278] [2021-06-06 02:23:57,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 02:23:57,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 02:23:57,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 02:23:57,503 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 02:23:57,504 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461298278] [2021-06-06 02:23:57,506 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461298278] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 02:23:57,507 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 02:23:57,508 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-06 02:23:57,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941098911] [2021-06-06 02:23:57,510 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-06 02:23:57,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 02:23:57,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-06 02:23:57,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-06 02:23:57,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 02:23:57,514 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 02:23:57,514 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 02:23:57,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 02:23:57,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 02:23:57,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 02:23:57,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 02:23:57,665 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 02:23:57,665 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 02:23:57,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 02:23:57,671 INFO L82 PathProgramCache]: Analyzing trace with hash -1928692927, now seen corresponding path program 1 times [2021-06-06 02:23:57,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 02:23:57,672 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510929997] [2021-06-06 02:23:57,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 02:23:57,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 02:23:57,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 02:23:57,805 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 02:23:57,805 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510929997] [2021-06-06 02:23:57,806 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510929997] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 02:23:57,806 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 02:23:57,806 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-06 02:23:57,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851705145] [2021-06-06 02:23:57,806 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 02:23:57,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 02:23:57,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 02:23:57,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-06 02:23:57,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 02:23:57,808 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 02:23:57,808 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 02:23:57,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 02:23:57,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 02:23:57,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 02:23:58,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 02:23:58,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 02:23:58,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 02:23:58,519 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-06 02:23:58,519 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 02:23:58,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 02:23:58,520 INFO L82 PathProgramCache]: Analyzing trace with hash -528649763, now seen corresponding path program 2 times [2021-06-06 02:23:58,520 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 02:23:58,520 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572435513] [2021-06-06 02:23:58,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 02:23:58,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 02:23:58,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 02:23:58,598 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 02:23:58,598 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572435513] [2021-06-06 02:23:58,598 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572435513] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 02:23:58,599 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 02:23:58,599 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-06 02:23:58,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925503608] [2021-06-06 02:23:58,599 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 02:23:58,600 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 02:23:58,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 02:23:58,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-06 02:23:58,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 02:23:58,603 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 02:23:58,604 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 02:23:58,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 02:23:58,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 02:23:58,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 02:23:58,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 02:23:59,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 02:23:59,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 02:23:59,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 02:23:59,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 02:23:59,013 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-06 02:23:59,018 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-06 02:23:59,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.06 02:23:59 BasicIcfg [2021-06-06 02:23:59,019 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-06 02:23:59,020 INFO L168 Benchmark]: Toolchain (without parser) took 3165.17 ms. Allocated memory was 371.2 MB in the beginning and 446.7 MB in the end (delta: 75.5 MB). Free memory was 333.4 MB in the beginning and 344.8 MB in the end (delta: -11.4 MB). Peak memory consumption was 228.2 MB. Max. memory is 16.0 GB. [2021-06-06 02:23:59,020 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 371.2 MB. Free memory was 351.4 MB in the beginning and 351.3 MB in the end (delta: 71.0 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 02:23:59,020 INFO L168 Benchmark]: CACSL2BoogieTranslator took 440.92 ms. Allocated memory is still 371.2 MB. Free memory was 333.2 MB in the beginning and 332.9 MB in the end (delta: 328.1 kB). Peak memory consumption was 7.0 MB. Max. memory is 16.0 GB. [2021-06-06 02:23:59,021 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.90 ms. Allocated memory is still 371.2 MB. Free memory was 332.9 MB in the beginning and 330.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 02:23:59,024 INFO L168 Benchmark]: Boogie Preprocessor took 23.70 ms. Allocated memory is still 371.2 MB. Free memory was 330.8 MB in the beginning and 328.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 02:23:59,024 INFO L168 Benchmark]: RCFGBuilder took 290.49 ms. Allocated memory is still 371.2 MB. Free memory was 328.7 MB in the beginning and 302.4 MB in the end (delta: 26.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. [2021-06-06 02:23:59,025 INFO L168 Benchmark]: TraceAbstraction took 2357.77 ms. Allocated memory was 371.2 MB in the beginning and 446.7 MB in the end (delta: 75.5 MB). Free memory was 302.4 MB in the beginning and 344.8 MB in the end (delta: -42.4 MB). Peak memory consumption was 197.8 MB. Max. memory is 16.0 GB. [2021-06-06 02:23:59,026 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 371.2 MB. Free memory was 351.4 MB in the beginning and 351.3 MB in the end (delta: 71.0 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 440.92 ms. Allocated memory is still 371.2 MB. Free memory was 333.2 MB in the beginning and 332.9 MB in the end (delta: 328.1 kB). Peak memory consumption was 7.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 46.90 ms. Allocated memory is still 371.2 MB. Free memory was 332.9 MB in the beginning and 330.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 23.70 ms. Allocated memory is still 371.2 MB. Free memory was 330.8 MB in the beginning and 328.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 290.49 ms. Allocated memory is still 371.2 MB. Free memory was 328.7 MB in the beginning and 302.4 MB in the end (delta: 26.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2357.77 ms. Allocated memory was 371.2 MB in the beginning and 446.7 MB in the end (delta: 75.5 MB). Free memory was 302.4 MB in the beginning and 344.8 MB in the end (delta: -42.4 MB). Peak memory consumption was 197.8 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: 38468, positive: 37803, positive conditional: 37803, positive unconditional: 0, negative: 665, negative conditional: 665, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 38202, positive: 37803, positive conditional: 37803, positive unconditional: 0, negative: 399, negative conditional: 399, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 38202, positive: 37561, positive conditional: 0, positive unconditional: 37561, negative: 641, negative conditional: 0, negative unconditional: 641, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 686, positive: 675, positive conditional: 0, positive unconditional: 675, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 686, positive: 671, positive conditional: 0, positive unconditional: 671, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 14, negative conditional: 3, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 66, positive: 26, positive conditional: 17, positive unconditional: 9, negative: 40, negative conditional: 8, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 38202, positive: 36886, positive conditional: 0, positive unconditional: 36886, negative: 630, negative conditional: 0, negative unconditional: 630, unknown: 686, unknown conditional: 0, unknown unconditional: 686] , Statistics on independence cache: Total cache size (in pairs): 699, Positive cache size: 685, Positive conditional cache size: 10, Positive unconditional cache size: 675, Negative cache size: 14, Negative conditional cache size: 3, Negative unconditional cache size: 11, SemanticConditionEliminator.Independence Queries: [ total: 1912, positive: 242, positive conditional: 242, positive unconditional: 0, negative: 1670, negative conditional: 156, negative unconditional: 1514, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1912, positive: 242, positive conditional: 242, positive unconditional: 0, negative: 1670, negative conditional: 156, negative unconditional: 1514, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 14, negative conditional: 3, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 66, positive: 26, positive conditional: 17, positive unconditional: 9, negative: 40, negative conditional: 8, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1912, positive: 232, positive conditional: 232, positive unconditional: 0, negative: 1667, negative conditional: 153, negative unconditional: 1514, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 699, Positive cache size: 685, Positive conditional cache size: 10, Positive unconditional cache size: 675, Negative cache size: 14, Negative conditional cache size: 3, Negative unconditional cache size: 11, Eliminated conditions: 1514, SemanticConditionEliminator.Independence Queries: [ total: 1912, positive: 242, positive conditional: 242, positive unconditional: 0, negative: 1670, negative conditional: 156, negative unconditional: 1514, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1912, positive: 242, positive conditional: 242, positive unconditional: 0, negative: 1670, negative conditional: 156, negative unconditional: 1514, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 14, negative conditional: 3, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 66, positive: 26, positive conditional: 17, positive unconditional: 9, negative: 40, negative conditional: 8, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1912, positive: 232, positive conditional: 232, positive unconditional: 0, negative: 1667, negative conditional: 153, negative unconditional: 1514, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 699, Positive cache size: 685, Positive conditional cache size: 10, Positive unconditional cache size: 675, Negative cache size: 14, Negative conditional cache size: 3, Negative unconditional cache size: 11, Eliminated conditions: 1514, SemanticConditionEliminator.Independence Queries: [ total: 1912, positive: 242, positive conditional: 242, positive unconditional: 0, negative: 1670, negative conditional: 156, negative unconditional: 1514, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1912, positive: 242, positive conditional: 242, positive unconditional: 0, negative: 1670, negative conditional: 156, negative unconditional: 1514, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 14, negative conditional: 3, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 66, positive: 26, positive conditional: 17, positive unconditional: 9, negative: 40, negative conditional: 8, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1912, positive: 232, positive conditional: 232, positive unconditional: 0, negative: 1667, negative conditional: 153, negative unconditional: 1514, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 699, Positive cache size: 685, Positive conditional cache size: 10, Positive unconditional cache size: 675, Negative cache size: 14, Negative conditional cache size: 3, Negative unconditional cache size: 11, Eliminated conditions: 1514, SemanticConditionEliminator.Independence Queries: [ total: 1912, positive: 242, positive conditional: 242, positive unconditional: 0, negative: 1670, negative conditional: 156, negative unconditional: 1514, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1912, positive: 242, positive conditional: 242, positive unconditional: 0, negative: 1670, negative conditional: 156, negative unconditional: 1514, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 14, negative conditional: 3, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 66, positive: 26, positive conditional: 17, positive unconditional: 9, negative: 40, negative conditional: 8, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1912, positive: 232, positive conditional: 232, positive unconditional: 0, negative: 1667, negative conditional: 153, negative unconditional: 1514, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 699, Positive cache size: 685, Positive conditional cache size: 10, Positive unconditional cache size: 675, Negative cache size: 14, Negative conditional cache size: 3, Negative unconditional cache size: 11, Eliminated conditions: 1514 ], Maximal queried relation: 4, Independence queries for same thread: 266 - 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, 107 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2284.5ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8.7ms, PartialOrderReductionTime: 1441.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 44, 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: 19.1ms SsaConstructionTime, 140.4ms SatisfiabilityAnalysisTime, 466.5ms InterpolantComputationTime, 254 NumberOfCodeBlocks, 254 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 250 ConstructedInterpolants, 0 QuantifiedInterpolants, 908 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...