/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/safe001_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-b7a4f01caba76767183cf06280be652b0b124764-b7a4f01 [2021-06-07 13:23:12,923 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-07 13:23:12,924 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-07 13:23:12,949 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-07 13:23:12,991 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 13:23:13,031 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-07 13:23:13,032 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-07 13:23:13,033 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-07 13:23:13,033 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-07 13:23:13,035 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-07 13:23:13,035 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-07 13:23:13,035 INFO L138 SettingsManager]: * Use SBE=true [2021-06-07 13:23:13,036 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-07 13:23:13,036 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-07 13:23:13,036 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-07 13:23:13,037 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-07 13:23:13,037 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-07 13:23:13,037 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-07 13:23:13,037 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-07 13:23:13,037 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-07 13:23:13,037 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-07 13:23:13,037 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-07 13:23:13,037 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-07 13:23:13,038 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-07 13:23:13,038 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-07 13:23:13,038 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-07 13:23:13,038 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-07 13:23:13,038 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-07 13:23:13,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 13:23:13,038 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-07 13:23:13,039 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-07 13:23:13,039 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-07 13:23:13,039 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-07 13:23:13,039 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-07 13:23:13,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-07 13:23:13,039 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-07 13:23:13,039 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-07 13:23:13,040 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-07 13:23:13,040 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-07 13:23:13,040 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-07 13:23:13,341 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-07 13:23:13,380 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-07 13:23:13,382 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-07 13:23:13,383 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-07 13:23:13,383 INFO L275 PluginConnector]: CDTParser initialized [2021-06-07 13:23:13,384 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe001_tso.oepc.i [2021-06-07 13:23:13,455 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6036f8aa/7c5f13e8b6e34395a46278c7c60dfcef/FLAG563ae3355 [2021-06-07 13:23:13,988 INFO L306 CDTParser]: Found 1 translation units. [2021-06-07 13:23:13,988 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe001_tso.oepc.i [2021-06-07 13:23:14,011 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6036f8aa/7c5f13e8b6e34395a46278c7c60dfcef/FLAG563ae3355 [2021-06-07 13:23:14,467 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6036f8aa/7c5f13e8b6e34395a46278c7c60dfcef [2021-06-07 13:23:14,469 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-07 13:23:14,470 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-07 13:23:14,471 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-07 13:23:14,472 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-07 13:23:14,476 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-07 13:23:14,477 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.06 01:23:14" (1/1) ... [2021-06-07 13:23:14,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58fdf349 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:23:14, skipping insertion in model container [2021-06-07 13:23:14,478 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.06 01:23:14" (1/1) ... [2021-06-07 13:23:14,483 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-07 13:23:14,527 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-07 13:23:14,674 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/safe001_tso.oepc.i[950,963] [2021-06-07 13:23:14,838 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-07 13:23:14,845 INFO L203 MainTranslator]: Completed pre-run [2021-06-07 13:23:14,857 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/safe001_tso.oepc.i[950,963] [2021-06-07 13:23:14,885 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-07 13:23:14,943 INFO L208 MainTranslator]: Completed translation [2021-06-07 13:23:14,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:23:14 WrapperNode [2021-06-07 13:23:14,944 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-07 13:23:14,945 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-07 13:23:14,945 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-07 13:23:14,945 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-07 13:23:14,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:23:14" (1/1) ... [2021-06-07 13:23:14,962 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:23:14" (1/1) ... [2021-06-07 13:23:14,977 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-07 13:23:14,978 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-07 13:23:14,978 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-07 13:23:14,978 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-07 13:23:14,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:23:14" (1/1) ... [2021-06-07 13:23:14,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:23:14" (1/1) ... [2021-06-07 13:23:14,987 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:23:14" (1/1) ... [2021-06-07 13:23:14,987 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:23:14" (1/1) ... [2021-06-07 13:23:14,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:23:14" (1/1) ... [2021-06-07 13:23:14,993 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:23:14" (1/1) ... [2021-06-07 13:23:14,994 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:23:14" (1/1) ... [2021-06-07 13:23:14,996 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-07 13:23:14,997 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-07 13:23:14,997 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-07 13:23:14,997 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-07 13:23:14,998 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:23:14" (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 13:23:15,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-07 13:23:15,060 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-07 13:23:15,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-07 13:23:15,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-07 13:23:15,061 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-07 13:23:15,061 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-07 13:23:15,061 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-07 13:23:15,061 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-07 13:23:15,061 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-07 13:23:15,062 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-07 13:23:15,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-07 13:23:15,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-07 13:23:15,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-07 13:23:15,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-07 13:23:15,066 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 13:23:15,417 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-07 13:23:15,417 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-07 13:23:15,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 01:23:15 BoogieIcfgContainer [2021-06-07 13:23:15,419 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-07 13:23:15,420 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-07 13:23:15,420 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-07 13:23:15,423 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-07 13:23:15,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.06 01:23:14" (1/3) ... [2021-06-07 13:23:15,423 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f5772b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 01:23:15, skipping insertion in model container [2021-06-07 13:23:15,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:23:14" (2/3) ... [2021-06-07 13:23:15,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f5772b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 01:23:15, skipping insertion in model container [2021-06-07 13:23:15,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 01:23:15" (3/3) ... [2021-06-07 13:23:15,425 INFO L111 eAbstractionObserver]: Analyzing ICFG safe001_tso.oepc.i [2021-06-07 13:23:15,430 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-07 13:23:15,430 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-07 13:23:15,430 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-07 13:23:15,431 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-07 13:23:15,467 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:23:15,467 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:23:15,468 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:23:15,468 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:23:15,468 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:23:15,468 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:23:15,468 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:23:15,468 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:23:15,469 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:23:15,469 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:23:15,469 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:23:15,469 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:23:15,470 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:23:15,470 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:23:15,470 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:23:15,470 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:23:15,471 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:23:15,472 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:23:15,472 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:23:15,473 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:23:15,473 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:23:15,474 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:23:15,474 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:23:15,474 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:23:15,477 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:23:15,478 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:23:15,478 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:23:15,478 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:23:15,479 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:23:15,479 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:23:15,479 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:23:15,479 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:23:15,480 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:23:15,480 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:23:15,480 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:23:15,480 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:23:15,482 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:23:15,482 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:23:15,483 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:23:15,483 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:23:15,487 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:23:15,487 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:23:15,487 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:23:15,487 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:23:15,491 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:23:15,492 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:23:15,492 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:23:15,492 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:23:15,495 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-07 13:23:15,515 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 13:23:15,576 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-07 13:23:15,576 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-07 13:23:15,576 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-07 13:23:15,576 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-07 13:23:15,577 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-07 13:23:15,577 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-07 13:23:15,577 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-07 13:23:15,577 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-07 13:23:15,670 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 13:23:15,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 13:23:15,675 INFO L82 PathProgramCache]: Analyzing trace with hash -1976536468, now seen corresponding path program 1 times [2021-06-07 13:23:15,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 13:23:15,683 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734960709] [2021-06-07 13:23:15,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 13:23:15,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 13:23:16,123 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 13:23:16,123 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 13:23:16,125 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734960709] [2021-06-07 13:23:16,125 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734960709] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 13:23:16,126 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 13:23:16,126 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-07 13:23:16,127 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890178887] [2021-06-07 13:23:16,131 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-07 13:23:16,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 13:23:16,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-07 13:23:16,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-07 13:23:16,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 13:23:16,146 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 13:23:16,147 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 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 13:23:16,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 13:23:17,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 13:23:17,102 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-07 13:23:17,103 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 13:23:17,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 13:23:17,104 INFO L82 PathProgramCache]: Analyzing trace with hash -1880090906, now seen corresponding path program 2 times [2021-06-07 13:23:17,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 13:23:17,104 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835969083] [2021-06-07 13:23:17,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 13:23:17,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 13:23:17,245 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 13:23:17,245 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 13:23:17,246 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835969083] [2021-06-07 13:23:17,246 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835969083] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 13:23:17,246 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 13:23:17,246 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-07 13:23:17,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967357213] [2021-06-07 13:23:17,247 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-07 13:23:17,248 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 13:23:17,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-07 13:23:17,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-07 13:23:17,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 13:23:17,248 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 13:23:17,249 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 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 13:23:17,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 13:23:17,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 13:23:18,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 13:23:18,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 13:23:18,102 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-07 13:23:18,103 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 13:23:18,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 13:23:18,110 INFO L82 PathProgramCache]: Analyzing trace with hash 1596314686, now seen corresponding path program 3 times [2021-06-07 13:23:18,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 13:23:18,111 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987370730] [2021-06-07 13:23:18,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 13:23:18,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 13:23:18,285 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 13:23:18,286 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 13:23:18,286 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987370730] [2021-06-07 13:23:18,286 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987370730] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 13:23:18,287 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 13:23:18,287 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-07 13:23:18,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132473514] [2021-06-07 13:23:18,287 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-07 13:23:18,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 13:23:18,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-07 13:23:18,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-07 13:23:18,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 13:23:18,290 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 13:23:18,290 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 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 13:23:18,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 13:23:18,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 13:23:18,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 13:23:19,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 13:23:19,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 13:23:19,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 13:23:19,500 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-07 13:23:19,501 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 13:23:19,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 13:23:19,502 INFO L82 PathProgramCache]: Analyzing trace with hash 414908608, now seen corresponding path program 4 times [2021-06-07 13:23:19,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 13:23:19,502 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741085739] [2021-06-07 13:23:19,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 13:23:19,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 13:23:19,668 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 13:23:19,668 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 13:23:19,668 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741085739] [2021-06-07 13:23:19,669 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741085739] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 13:23:19,669 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 13:23:19,669 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-07 13:23:19,669 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961862173] [2021-06-07 13:23:19,670 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-07 13:23:19,670 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 13:23:19,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-07 13:23:19,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-07 13:23:19,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 13:23:19,675 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 13:23:19,675 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 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 13:23:19,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 13:23:19,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 13:23:19,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 13:23:19,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 13:23:20,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 13:23:20,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 13:23:20,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 13:23:20,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 13:23:20,704 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-07 13:23:20,715 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-07 13:23:20,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.06 01:23:20 BasicIcfg [2021-06-07 13:23:20,718 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-07 13:23:20,719 INFO L168 Benchmark]: Toolchain (without parser) took 6248.17 ms. Allocated memory was 383.8 MB in the beginning and 549.5 MB in the end (delta: 165.7 MB). Free memory was 347.1 MB in the beginning and 274.0 MB in the end (delta: 73.1 MB). Peak memory consumption was 240.4 MB. Max. memory is 16.0 GB. [2021-06-07 13:23:20,719 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 383.8 MB. Free memory is still 365.2 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-07 13:23:20,720 INFO L168 Benchmark]: CACSL2BoogieTranslator took 472.78 ms. Allocated memory is still 383.8 MB. Free memory was 346.8 MB in the beginning and 345.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.0 GB. [2021-06-07 13:23:20,720 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.36 ms. Allocated memory is still 383.8 MB. Free memory was 345.7 MB in the beginning and 343.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-07 13:23:20,723 INFO L168 Benchmark]: Boogie Preprocessor took 18.72 ms. Allocated memory is still 383.8 MB. Free memory was 343.6 MB in the beginning and 342.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-07 13:23:20,723 INFO L168 Benchmark]: RCFGBuilder took 421.70 ms. Allocated memory is still 383.8 MB. Free memory was 342.5 MB in the beginning and 317.4 MB in the end (delta: 25.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-06-07 13:23:20,723 INFO L168 Benchmark]: TraceAbstraction took 5297.79 ms. Allocated memory was 383.8 MB in the beginning and 549.5 MB in the end (delta: 165.7 MB). Free memory was 316.3 MB in the beginning and 274.0 MB in the end (delta: 42.3 MB). Peak memory consumption was 210.1 MB. Max. memory is 16.0 GB. [2021-06-07 13:23:20,725 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 383.8 MB. Free memory is still 365.2 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 472.78 ms. Allocated memory is still 383.8 MB. Free memory was 346.8 MB in the beginning and 345.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 32.36 ms. Allocated memory is still 383.8 MB. Free memory was 345.7 MB in the beginning and 343.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 18.72 ms. Allocated memory is still 383.8 MB. Free memory was 343.6 MB in the beginning and 342.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 421.70 ms. Allocated memory is still 383.8 MB. Free memory was 342.5 MB in the beginning and 317.4 MB in the end (delta: 25.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 5297.79 ms. Allocated memory was 383.8 MB in the beginning and 549.5 MB in the end (delta: 165.7 MB). Free memory was 316.3 MB in the beginning and 274.0 MB in the end (delta: 42.3 MB). Peak memory consumption was 210.1 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 158925, positive: 154543, positive conditional: 154543, positive unconditional: 0, negative: 4382, negative conditional: 4382, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 155605, positive: 154543, positive conditional: 154543, positive unconditional: 0, negative: 1062, negative conditional: 1062, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 155605, positive: 153613, positive conditional: 0, positive unconditional: 153613, negative: 1992, negative conditional: 0, negative unconditional: 1992, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1014, positive: 993, positive conditional: 0, positive unconditional: 993, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1014, positive: 987, positive conditional: 0, positive unconditional: 987, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 68, positive: 35, positive conditional: 29, positive unconditional: 6, negative: 33, negative conditional: 12, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 147, positive: 64, positive conditional: 48, positive unconditional: 16, negative: 83, negative conditional: 15, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 155605, positive: 152620, positive conditional: 0, positive unconditional: 152620, negative: 1971, negative conditional: 0, negative unconditional: 1971, unknown: 1014, unknown conditional: 0, unknown unconditional: 1014] , Statistics on independence cache: Total cache size (in pairs): 1055, Positive cache size: 1022, Positive conditional cache size: 29, Positive unconditional cache size: 993, Negative cache size: 33, Negative conditional cache size: 12, Negative unconditional cache size: 21, SemanticConditionEliminator.Independence Queries: [ total: 4690, positive: 930, positive conditional: 930, positive unconditional: 0, negative: 3760, negative conditional: 139, negative unconditional: 3621, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4690, positive: 930, positive conditional: 930, positive unconditional: 0, negative: 3760, negative conditional: 139, negative unconditional: 3621, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 68, positive: 35, positive conditional: 29, positive unconditional: 6, negative: 33, negative conditional: 12, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 147, positive: 64, positive conditional: 48, positive unconditional: 16, negative: 83, negative conditional: 15, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4690, positive: 901, positive conditional: 901, positive unconditional: 0, negative: 3748, negative conditional: 127, negative unconditional: 3621, unknown: 41, unknown conditional: 41, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1055, Positive cache size: 1022, Positive conditional cache size: 29, Positive unconditional cache size: 993, Negative cache size: 33, Negative conditional cache size: 12, Negative unconditional cache size: 21, Eliminated conditions: 3621, SemanticConditionEliminator.Independence Queries: [ total: 4690, positive: 930, positive conditional: 930, positive unconditional: 0, negative: 3760, negative conditional: 139, negative unconditional: 3621, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4690, positive: 930, positive conditional: 930, positive unconditional: 0, negative: 3760, negative conditional: 139, negative unconditional: 3621, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 68, positive: 35, positive conditional: 29, positive unconditional: 6, negative: 33, negative conditional: 12, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 147, positive: 64, positive conditional: 48, positive unconditional: 16, negative: 83, negative conditional: 15, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4690, positive: 901, positive conditional: 901, positive unconditional: 0, negative: 3748, negative conditional: 127, negative unconditional: 3621, unknown: 41, unknown conditional: 41, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1055, Positive cache size: 1022, Positive conditional cache size: 29, Positive unconditional cache size: 993, Negative cache size: 33, Negative conditional cache size: 12, Negative unconditional cache size: 21, Eliminated conditions: 3621, SemanticConditionEliminator.Independence Queries: [ total: 4690, positive: 930, positive conditional: 930, positive unconditional: 0, negative: 3760, negative conditional: 139, negative unconditional: 3621, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4690, positive: 930, positive conditional: 930, positive unconditional: 0, negative: 3760, negative conditional: 139, negative unconditional: 3621, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 68, positive: 35, positive conditional: 29, positive unconditional: 6, negative: 33, negative conditional: 12, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 147, positive: 64, positive conditional: 48, positive unconditional: 16, negative: 83, negative conditional: 15, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4690, positive: 901, positive conditional: 901, positive unconditional: 0, negative: 3748, negative conditional: 127, negative unconditional: 3621, unknown: 41, unknown conditional: 41, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1055, Positive cache size: 1022, Positive conditional cache size: 29, Positive unconditional cache size: 993, Negative cache size: 33, Negative conditional cache size: 12, Negative unconditional cache size: 21, Eliminated conditions: 3621, SemanticConditionEliminator.Independence Queries: [ total: 4690, positive: 930, positive conditional: 930, positive unconditional: 0, negative: 3760, negative conditional: 139, negative unconditional: 3621, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4690, positive: 930, positive conditional: 930, positive unconditional: 0, negative: 3760, negative conditional: 139, negative unconditional: 3621, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 68, positive: 35, positive conditional: 29, positive unconditional: 6, negative: 33, negative conditional: 12, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 147, positive: 64, positive conditional: 48, positive unconditional: 16, negative: 83, negative conditional: 15, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4690, positive: 901, positive conditional: 901, positive unconditional: 0, negative: 3748, negative conditional: 127, negative unconditional: 3621, unknown: 41, unknown conditional: 41, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1055, Positive cache size: 1022, Positive conditional cache size: 29, Positive unconditional cache size: 993, Negative cache size: 33, Negative conditional cache size: 12, Negative unconditional cache size: 21, Eliminated conditions: 3621 ], Maximal queried relation: 4, Independence queries for same thread: 3320 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 106 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5174.0ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.1ms, PartialOrderReductionTime: 4123.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 52, 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: 25.0ms SsaConstructionTime, 168.9ms SatisfiabilityAnalysisTime, 622.7ms InterpolantComputationTime, 264 NumberOfCodeBlocks, 264 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 260 ConstructedInterpolants, 0 QuantifiedInterpolants, 823 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...