/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe026_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-22 19:20:01,455 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-22 19:20:01,457 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-22 19:20:01,489 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-22 19:20:01,565 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-NewStatesSleepPersistent-NoLbe-Lockstep.epf [2021-08-22 19:20:01,596 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-22 19:20:01,596 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-22 19:20:01,597 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-22 19:20:01,597 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-22 19:20:01,598 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-22 19:20:01,598 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-22 19:20:01,598 INFO L138 SettingsManager]: * Use SBE=true [2021-08-22 19:20:01,598 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-22 19:20:01,599 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-22 19:20:01,599 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-22 19:20:01,599 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-22 19:20:01,599 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-22 19:20:01,599 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-22 19:20:01,600 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-22 19:20:01,600 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-22 19:20:01,600 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-22 19:20:01,600 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-22 19:20:01,600 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-22 19:20:01,600 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-22 19:20:01,601 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-22 19:20:01,601 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-22 19:20:01,601 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-22 19:20:01,601 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-22 19:20:01,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 19:20:01,602 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-22 19:20:01,602 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-22 19:20:01,602 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-22 19:20:01,602 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-22 19:20:01,602 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-08-22 19:20:01,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-22 19:20:01,603 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-22 19:20:01,603 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-22 19:20:01,603 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-22 19:20:01,603 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-08-22 19:20:01,603 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-08-22 19:20:01,604 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-22 19:20:01,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-22 19:20:02,009 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-22 19:20:02,012 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-22 19:20:02,012 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-22 19:20:02,013 INFO L275 PluginConnector]: CDTParser initialized [2021-08-22 19:20:02,014 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe026_tso.opt.i [2021-08-22 19:20:02,097 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29b6d4db1/23de1cfc2aec4cb3892677f5dea42f1d/FLAG7507a9dc7 [2021-08-22 19:20:02,602 INFO L306 CDTParser]: Found 1 translation units. [2021-08-22 19:20:02,603 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe026_tso.opt.i [2021-08-22 19:20:02,622 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29b6d4db1/23de1cfc2aec4cb3892677f5dea42f1d/FLAG7507a9dc7 [2021-08-22 19:20:03,072 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29b6d4db1/23de1cfc2aec4cb3892677f5dea42f1d [2021-08-22 19:20:03,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-22 19:20:03,077 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-22 19:20:03,081 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-22 19:20:03,081 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-22 19:20:03,088 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-22 19:20:03,088 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:20:03" (1/1) ... [2021-08-22 19:20:03,089 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18f3eb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:20:03, skipping insertion in model container [2021-08-22 19:20:03,089 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:20:03" (1/1) ... [2021-08-22 19:20:03,096 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-22 19:20:03,142 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-22 19:20:03,257 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe026_tso.opt.i[949,962] [2021-08-22 19:20:03,462 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-22 19:20:03,471 INFO L203 MainTranslator]: Completed pre-run [2021-08-22 19:20:03,507 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe026_tso.opt.i[949,962] [2021-08-22 19:20:03,545 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-22 19:20:03,575 INFO L208 MainTranslator]: Completed translation [2021-08-22 19:20:03,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:20:03 WrapperNode [2021-08-22 19:20:03,576 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-22 19:20:03,576 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-22 19:20:03,577 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-22 19:20:03,577 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-22 19:20:03,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:20:03" (1/1) ... [2021-08-22 19:20:03,610 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:20:03" (1/1) ... [2021-08-22 19:20:03,636 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-22 19:20:03,637 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-22 19:20:03,637 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-22 19:20:03,637 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-22 19:20:03,643 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:20:03" (1/1) ... [2021-08-22 19:20:03,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:20:03" (1/1) ... [2021-08-22 19:20:03,654 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:20:03" (1/1) ... [2021-08-22 19:20:03,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:20:03" (1/1) ... [2021-08-22 19:20:03,666 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:20:03" (1/1) ... [2021-08-22 19:20:03,669 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:20:03" (1/1) ... [2021-08-22 19:20:03,671 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:20:03" (1/1) ... [2021-08-22 19:20:03,673 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-22 19:20:03,674 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-22 19:20:03,674 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-22 19:20:03,674 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-22 19:20:03,674 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:20:03" (1/1) ... [2021-08-22 19:20:03,685 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 19:20:03,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 19:20:03,710 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-22 19:20:03,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-22 19:20:03,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-22 19:20:03,760 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-22 19:20:03,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-22 19:20:03,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-22 19:20:03,760 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-08-22 19:20:03,760 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-08-22 19:20:03,760 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-08-22 19:20:03,760 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-08-22 19:20:03,760 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-08-22 19:20:03,760 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-08-22 19:20:03,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-22 19:20:03,761 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-22 19:20:03,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-22 19:20:03,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-22 19:20:03,762 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-22 19:20:04,090 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-22 19:20:04,090 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-08-22 19:20:04,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 07:20:04 BoogieIcfgContainer [2021-08-22 19:20:04,092 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-22 19:20:04,093 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-22 19:20:04,094 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-22 19:20:04,096 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-22 19:20:04,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 07:20:03" (1/3) ... [2021-08-22 19:20:04,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5836e957 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 07:20:04, skipping insertion in model container [2021-08-22 19:20:04,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:20:03" (2/3) ... [2021-08-22 19:20:04,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5836e957 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 07:20:04, skipping insertion in model container [2021-08-22 19:20:04,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 07:20:04" (3/3) ... [2021-08-22 19:20:04,098 INFO L111 eAbstractionObserver]: Analyzing ICFG safe026_tso.opt.i [2021-08-22 19:20:04,103 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-22 19:20:04,103 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-22 19:20:04,103 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-22 19:20:04,103 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-22 19:20:04,131 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:04,132 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:04,132 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:04,132 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:04,132 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:04,132 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:04,132 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:04,133 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:04,133 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:04,133 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:04,133 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:04,133 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:04,134 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:04,134 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:04,134 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:04,134 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:04,134 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:04,135 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:04,135 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:04,135 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:04,135 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:04,135 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:04,135 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:04,136 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:04,136 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:04,136 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:04,136 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:04,136 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:04,137 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:04,137 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:04,137 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:04,137 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:04,137 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:04,137 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:04,138 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:04,138 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:04,141 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:04,141 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:04,141 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:04,141 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:04,146 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:04,146 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:04,146 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:04,146 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:04,149 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:04,149 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:04,150 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:04,150 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:04,152 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-22 19:20:04,191 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-22 19:20:04,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 19:20:04,197 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-22 19:20:04,201 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-08-22 19:20:04,351 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-22 19:20:04,357 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-22 19:20:04,358 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-22 19:20:04,647 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 19:20:04,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 19:20:04,651 INFO L82 PathProgramCache]: Analyzing trace with hash -283733646, now seen corresponding path program 1 times [2021-08-22 19:20:04,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 19:20:04,659 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187899685] [2021-08-22 19:20:04,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 19:20:04,659 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 19:20:04,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 19:20:04,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 19:20:04,875 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 19:20:04,875 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187899685] [2021-08-22 19:20:04,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187899685] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 19:20:04,876 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 19:20:04,876 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-22 19:20:04,878 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946586689] [2021-08-22 19:20:04,883 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-22 19:20:04,883 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 19:20:04,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-22 19:20:04,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-22 19:20:04,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 19:20:04,895 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 19:20:04,896 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 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) [2021-08-22 19:20:04,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 19:20:04,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 19:20:04,917 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-22 19:20:04,917 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 19:20:04,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 19:20:04,918 INFO L82 PathProgramCache]: Analyzing trace with hash -2029782838, now seen corresponding path program 1 times [2021-08-22 19:20:04,918 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 19:20:04,918 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693937575] [2021-08-22 19:20:04,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 19:20:04,919 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 19:20:04,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 19:20:05,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 19:20:05,179 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 19:20:05,179 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693937575] [2021-08-22 19:20:05,182 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693937575] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 19:20:05,188 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 19:20:05,189 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-22 19:20:05,189 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43514263] [2021-08-22 19:20:05,190 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-22 19:20:05,190 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 19:20:05,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-22 19:20:05,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-22 19:20:05,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 19:20:05,191 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 19:20:05,192 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 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) [2021-08-22 19:20:05,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 19:20:05,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 19:20:05,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 19:20:05,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 19:20:05,420 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-22 19:20:05,420 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 19:20:05,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 19:20:05,421 INFO L82 PathProgramCache]: Analyzing trace with hash -2041953060, now seen corresponding path program 1 times [2021-08-22 19:20:05,421 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 19:20:05,421 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010870907] [2021-08-22 19:20:05,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 19:20:05,422 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 19:20:05,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 19:20:05,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 19:20:05,630 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 19:20:05,630 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010870907] [2021-08-22 19:20:05,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010870907] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 19:20:05,631 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 19:20:05,631 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-22 19:20:05,631 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701988269] [2021-08-22 19:20:05,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-22 19:20:05,633 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 19:20:05,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-22 19:20:05,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-08-22 19:20:05,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 19:20:05,637 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 19:20:05,637 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 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) [2021-08-22 19:20:05,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 19:20:05,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 19:20:05,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 19:20:05,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 19:20:05,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 19:20:05,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-22 19:20:05,842 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-22 19:20:05,842 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 19:20:05,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 19:20:05,845 INFO L82 PathProgramCache]: Analyzing trace with hash -1165712507, now seen corresponding path program 1 times [2021-08-22 19:20:05,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 19:20:05,845 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480352061] [2021-08-22 19:20:05,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 19:20:05,845 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 19:20:05,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 19:20:06,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 19:20:06,081 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 19:20:06,081 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480352061] [2021-08-22 19:20:06,082 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480352061] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 19:20:06,082 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 19:20:06,082 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-22 19:20:06,086 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428376629] [2021-08-22 19:20:06,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-22 19:20:06,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 19:20:06,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-22 19:20:06,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-22 19:20:06,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 19:20:06,088 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 19:20:06,088 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 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) [2021-08-22 19:20:06,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 19:20:06,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 19:20:06,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-22 19:20:06,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 19:20:06,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 19:20:06,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 19:20:06,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-22 19:20:06,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 19:20:06,273 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-22 19:20:06,273 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 19:20:06,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 19:20:06,274 INFO L82 PathProgramCache]: Analyzing trace with hash -1061368547, now seen corresponding path program 1 times [2021-08-22 19:20:06,274 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 19:20:06,274 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526828521] [2021-08-22 19:20:06,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 19:20:06,274 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 19:20:06,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 19:20:06,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 19:20:06,509 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 19:20:06,509 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526828521] [2021-08-22 19:20:06,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526828521] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 19:20:06,510 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 19:20:06,510 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-22 19:20:06,510 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120694363] [2021-08-22 19:20:06,510 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-22 19:20:06,511 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 19:20:06,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-22 19:20:06,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-22 19:20:06,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 19:20:06,512 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 19:20:06,512 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 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) [2021-08-22 19:20:06,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 19:20:06,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 19:20:06,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-22 19:20:06,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 19:20:06,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 19:20:06,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 19:20:06,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 19:20:06,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-22 19:20:06,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 19:20:06,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-22 19:20:06,634 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-22 19:20:06,634 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 19:20:06,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 19:20:06,635 INFO L82 PathProgramCache]: Analyzing trace with hash 1312627023, now seen corresponding path program 2 times [2021-08-22 19:20:06,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 19:20:06,635 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578128695] [2021-08-22 19:20:06,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 19:20:06,636 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 19:20:06,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 19:20:06,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 19:20:06,753 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 19:20:06,753 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578128695] [2021-08-22 19:20:06,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578128695] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 19:20:06,753 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 19:20:06,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-22 19:20:06,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499990397] [2021-08-22 19:20:06,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-22 19:20:06,754 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 19:20:06,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-22 19:20:06,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-22 19:20:06,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 19:20:06,755 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 19:20:06,755 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 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) [2021-08-22 19:20:06,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 19:20:06,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 19:20:06,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-22 19:20:06,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 19:20:06,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-22 19:20:06,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 19:20:06,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 19:20:06,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 19:20:06,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-22 19:20:06,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 19:20:06,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-22 19:20:06,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 19:20:06,917 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-22 19:20:06,918 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-22 19:20:06,918 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-22 19:20:06,918 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-22 19:20:06,918 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-22 19:20:06,925 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-22 19:20:06,926 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-22 19:20:06,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 07:20:06 BasicIcfg [2021-08-22 19:20:06,928 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-22 19:20:06,929 INFO L168 Benchmark]: Toolchain (without parser) took 3851.05 ms. Allocated memory was 190.8 MB in the beginning and 265.3 MB in the end (delta: 74.4 MB). Free memory was 154.2 MB in the beginning and 170.0 MB in the end (delta: -15.8 MB). Peak memory consumption was 59.3 MB. Max. memory is 8.0 GB. [2021-08-22 19:20:06,929 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 190.8 MB. Free memory is still 172.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-22 19:20:06,930 INFO L168 Benchmark]: CACSL2BoogieTranslator took 494.97 ms. Allocated memory is still 190.8 MB. Free memory was 153.9 MB in the beginning and 166.1 MB in the end (delta: -12.2 MB). Peak memory consumption was 16.0 MB. Max. memory is 8.0 GB. [2021-08-22 19:20:06,930 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.72 ms. Allocated memory is still 190.8 MB. Free memory was 166.1 MB in the beginning and 163.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-22 19:20:06,930 INFO L168 Benchmark]: Boogie Preprocessor took 35.67 ms. Allocated memory is still 190.8 MB. Free memory was 163.5 MB in the beginning and 162.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-22 19:20:06,931 INFO L168 Benchmark]: RCFGBuilder took 418.55 ms. Allocated memory is still 190.8 MB. Free memory was 162.4 MB in the beginning and 138.8 MB in the end (delta: 23.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2021-08-22 19:20:06,931 INFO L168 Benchmark]: TraceAbstraction took 2834.13 ms. Allocated memory was 190.8 MB in the beginning and 265.3 MB in the end (delta: 74.4 MB). Free memory was 138.3 MB in the beginning and 170.0 MB in the end (delta: -31.7 MB). Peak memory consumption was 44.3 MB. Max. memory is 8.0 GB. [2021-08-22 19:20:06,933 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 190.8 MB. Free memory is still 172.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 494.97 ms. Allocated memory is still 190.8 MB. Free memory was 153.9 MB in the beginning and 166.1 MB in the end (delta: -12.2 MB). Peak memory consumption was 16.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 59.72 ms. Allocated memory is still 190.8 MB. Free memory was 166.1 MB in the beginning and 163.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 35.67 ms. Allocated memory is still 190.8 MB. Free memory was 163.5 MB in the beginning and 162.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 418.55 ms. Allocated memory is still 190.8 MB. Free memory was 162.4 MB in the beginning and 138.8 MB in the end (delta: 23.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2834.13 ms. Allocated memory was 190.8 MB in the beginning and 265.3 MB in the end (delta: 74.4 MB). Free memory was 138.3 MB in the beginning and 170.0 MB in the end (delta: -31.7 MB). Peak memory consumption was 44.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4694, positive: 4505, positive conditional: 3434, positive unconditional: 1071, negative: 189, negative conditional: 165, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4666, positive: 4505, positive conditional: 3434, positive unconditional: 1071, negative: 161, negative conditional: 137, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4666, positive: 4505, positive conditional: 3434, positive unconditional: 1071, negative: 161, negative conditional: 137, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4988, positive: 4505, positive conditional: 3022, positive unconditional: 1483, negative: 483, negative conditional: 322, negative unconditional: 161, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4988, positive: 4505, positive conditional: 1187, positive unconditional: 3318, negative: 483, negative conditional: 59, negative unconditional: 424, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4988, positive: 4505, positive conditional: 1187, positive unconditional: 3318, negative: 483, negative conditional: 59, negative unconditional: 424, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1120, positive: 1085, positive conditional: 14, positive unconditional: 1071, negative: 35, negative conditional: 11, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1120, positive: 1065, positive conditional: 0, positive unconditional: 1065, negative: 55, negative conditional: 0, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 55, positive: 20, positive conditional: 14, positive unconditional: 6, negative: 35, negative conditional: 11, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 236, positive: 51, positive conditional: 34, positive unconditional: 17, negative: 185, negative conditional: 16, negative unconditional: 170, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4988, positive: 3420, positive conditional: 1173, positive unconditional: 2247, negative: 448, negative conditional: 48, negative unconditional: 400, unknown: 1120, unknown conditional: 25, unknown unconditional: 1095] , Statistics on independence cache: Total cache size (in pairs): 1120, Positive cache size: 1085, Positive conditional cache size: 14, Positive unconditional cache size: 1071, Negative cache size: 35, Negative conditional cache size: 11, Negative unconditional cache size: 24, Eliminated conditions: 2098, Maximal queried relation: 5, Independence queries for same thread: 28 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 303, Number of persistent set computation: 269, Number of trivial persistent sets: 71, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1095, positive: 1071, positive conditional: 0, positive unconditional: 1071, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4694, positive: 4505, positive conditional: 3434, positive unconditional: 1071, negative: 189, negative conditional: 165, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4666, positive: 4505, positive conditional: 3434, positive unconditional: 1071, negative: 161, negative conditional: 137, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4666, positive: 4505, positive conditional: 3434, positive unconditional: 1071, negative: 161, negative conditional: 137, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4988, positive: 4505, positive conditional: 3022, positive unconditional: 1483, negative: 483, negative conditional: 322, negative unconditional: 161, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4988, positive: 4505, positive conditional: 1187, positive unconditional: 3318, negative: 483, negative conditional: 59, negative unconditional: 424, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4988, positive: 4505, positive conditional: 1187, positive unconditional: 3318, negative: 483, negative conditional: 59, negative unconditional: 424, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1120, positive: 1085, positive conditional: 14, positive unconditional: 1071, negative: 35, negative conditional: 11, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1120, positive: 1065, positive conditional: 0, positive unconditional: 1065, negative: 55, negative conditional: 0, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 55, positive: 20, positive conditional: 14, positive unconditional: 6, negative: 35, negative conditional: 11, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 236, positive: 51, positive conditional: 34, positive unconditional: 17, negative: 185, negative conditional: 16, negative unconditional: 170, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4988, positive: 3420, positive conditional: 1173, positive unconditional: 2247, negative: 448, negative conditional: 48, negative unconditional: 400, unknown: 1120, unknown conditional: 25, unknown unconditional: 1095] , Statistics on independence cache: Total cache size (in pairs): 1120, Positive cache size: 1085, Positive conditional cache size: 14, Positive unconditional cache size: 1071, Negative cache size: 35, Negative conditional cache size: 11, Negative unconditional cache size: 24, Eliminated conditions: 2098, Maximal queried relation: 5, Independence queries for same thread: 28 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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, 104 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2736.0ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 19.6ms, PartialOrderReductionTime: 1185.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 42, 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: 24.7ms SsaConstructionTime, 220.1ms SatisfiabilityAnalysisTime, 918.9ms InterpolantComputationTime, 339 NumberOfCodeBlocks, 339 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 333 ConstructedInterpolants, 0 QuantifiedInterpolants, 895 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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! [2021-08-22 19:20:06,970 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-08-22 19:20:07,186 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...