/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/safe018_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-b7a4f01caba76767183cf06280be652b0b124764-b7a4f01 [2021-06-07 13:28:31,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-07 13:28:31,015 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-07 13:28:31,057 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-07 13:28:31,114 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-07 13:28:31,114 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-07 13:28:31,115 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-07 13:28:31,119 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 13:28:31,151 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-07 13:28:31,151 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-07 13:28:31,151 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-07 13:28:31,152 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-07 13:28:31,154 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-07 13:28:31,154 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-07 13:28:31,154 INFO L138 SettingsManager]: * Use SBE=true [2021-06-07 13:28:31,155 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-07 13:28:31,155 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-07 13:28:31,155 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-07 13:28:31,155 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-07 13:28:31,156 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-07 13:28:31,156 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-07 13:28:31,156 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-07 13:28:31,156 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-07 13:28:31,156 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-07 13:28:31,156 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-07 13:28:31,156 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-07 13:28:31,156 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-07 13:28:31,157 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-07 13:28:31,157 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-07 13:28:31,157 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-07 13:28:31,157 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-07 13:28:31,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 13:28:31,157 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-07 13:28:31,157 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-07 13:28:31,157 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-07 13:28:31,157 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-07 13:28:31,158 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-07 13:28:31,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-07 13:28:31,158 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-07 13:28:31,158 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-07 13:28:31,158 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-07 13:28:31,158 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-07 13:28:31,158 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-07 13:28:31,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-07 13:28:31,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-07 13:28:31,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-07 13:28:31,509 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-07 13:28:31,509 INFO L275 PluginConnector]: CDTParser initialized [2021-06-07 13:28:31,510 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe018_tso.oepc.i [2021-06-07 13:28:31,573 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/532cf24cc/2d289af85b744833a06979756b09b80c/FLAG046fd2aad [2021-06-07 13:28:32,142 INFO L306 CDTParser]: Found 1 translation units. [2021-06-07 13:28:32,143 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe018_tso.oepc.i [2021-06-07 13:28:32,165 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/532cf24cc/2d289af85b744833a06979756b09b80c/FLAG046fd2aad [2021-06-07 13:28:32,577 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/532cf24cc/2d289af85b744833a06979756b09b80c [2021-06-07 13:28:32,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-07 13:28:32,581 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-07 13:28:32,582 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-07 13:28:32,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-07 13:28:32,586 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-07 13:28:32,587 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.06 01:28:32" (1/1) ... [2021-06-07 13:28:32,588 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@279158ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:28:32, skipping insertion in model container [2021-06-07 13:28:32,588 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.06 01:28:32" (1/1) ... [2021-06-07 13:28:32,594 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-07 13:28:32,635 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-07 13:28:32,785 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/safe018_tso.oepc.i[950,963] [2021-06-07 13:28:32,965 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-07 13:28:32,973 INFO L203 MainTranslator]: Completed pre-run [2021-06-07 13:28:32,985 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/safe018_tso.oepc.i[950,963] [2021-06-07 13:28:33,025 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-07 13:28:33,094 INFO L208 MainTranslator]: Completed translation [2021-06-07 13:28:33,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:28:33 WrapperNode [2021-06-07 13:28:33,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-07 13:28:33,096 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-07 13:28:33,096 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-07 13:28:33,096 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-07 13:28:33,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:28:33" (1/1) ... [2021-06-07 13:28:33,131 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:28:33" (1/1) ... [2021-06-07 13:28:33,153 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-07 13:28:33,154 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-07 13:28:33,154 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-07 13:28:33,154 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-07 13:28:33,161 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:28:33" (1/1) ... [2021-06-07 13:28:33,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:28:33" (1/1) ... [2021-06-07 13:28:33,172 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:28:33" (1/1) ... [2021-06-07 13:28:33,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:28:33" (1/1) ... [2021-06-07 13:28:33,181 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:28:33" (1/1) ... [2021-06-07 13:28:33,183 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:28:33" (1/1) ... [2021-06-07 13:28:33,184 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:28:33" (1/1) ... [2021-06-07 13:28:33,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-07 13:28:33,195 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-07 13:28:33,195 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-07 13:28:33,196 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-07 13:28:33,197 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:28:33" (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 13:28:33,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-07 13:28:33,277 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-07 13:28:33,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-07 13:28:33,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-07 13:28:33,278 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-07 13:28:33,278 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-07 13:28:33,279 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-07 13:28:33,279 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-07 13:28:33,279 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-07 13:28:33,279 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-07 13:28:33,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-07 13:28:33,279 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-07 13:28:33,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-07 13:28:33,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-07 13:28:33,280 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 13:28:33,600 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-07 13:28:33,601 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-07 13:28:33,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 01:28:33 BoogieIcfgContainer [2021-06-07 13:28:33,602 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-07 13:28:33,604 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-07 13:28:33,604 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-07 13:28:33,606 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-07 13:28:33,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.06 01:28:32" (1/3) ... [2021-06-07 13:28:33,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fe6f278 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 01:28:33, skipping insertion in model container [2021-06-07 13:28:33,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:28:33" (2/3) ... [2021-06-07 13:28:33,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fe6f278 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 01:28:33, skipping insertion in model container [2021-06-07 13:28:33,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 01:28:33" (3/3) ... [2021-06-07 13:28:33,608 INFO L111 eAbstractionObserver]: Analyzing ICFG safe018_tso.oepc.i [2021-06-07 13:28:33,612 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-07 13:28:33,612 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-07 13:28:33,612 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-07 13:28:33,613 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-07 13:28:33,638 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:28:33,638 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:28:33,639 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:28:33,639 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:28:33,639 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:28:33,639 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:28:33,639 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:28:33,639 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:28:33,640 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:28:33,640 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:28:33,640 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:28:33,640 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:28:33,641 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:28:33,641 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:28:33,641 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:28:33,641 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:28:33,641 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:28:33,641 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:28:33,641 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:28:33,642 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:28:33,642 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:28:33,642 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:28:33,642 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:28:33,642 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:28:33,643 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:28:33,643 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:28:33,643 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:28:33,643 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:28:33,643 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:28:33,643 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:28:33,643 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:28:33,644 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:28:33,644 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:28:33,644 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:28:33,644 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:28:33,644 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:28:33,646 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:28:33,647 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:28:33,647 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:28:33,647 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:28:33,651 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:28:33,651 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:28:33,651 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:28:33,651 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:28:33,653 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:28:33,653 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:28:33,653 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:28:33,654 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 13:28:33,655 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-07 13:28:33,673 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 13:28:33,712 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-07 13:28:33,712 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-07 13:28:33,712 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-07 13:28:33,712 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-07 13:28:33,712 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-07 13:28:33,712 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-07 13:28:33,713 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-07 13:28:33,713 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-07 13:28:33,775 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 13:28:33,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 13:28:33,779 INFO L82 PathProgramCache]: Analyzing trace with hash -894422507, now seen corresponding path program 1 times [2021-06-07 13:28:33,786 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 13:28:33,786 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971995689] [2021-06-07 13:28:33,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 13:28:33,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 13:28:34,187 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 13:28:34,188 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 13:28:34,188 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971995689] [2021-06-07 13:28:34,189 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971995689] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 13:28:34,189 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 13:28:34,189 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-07 13:28:34,189 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119521363] [2021-06-07 13:28:34,193 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-07 13:28:34,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 13:28:34,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-07 13:28:34,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-06-07 13:28:34,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 13:28:34,207 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 13:28:34,209 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 13:28:34,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 13:28:34,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 13:28:34,998 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-07 13:28:34,998 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 13:28:35,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 13:28:35,001 INFO L82 PathProgramCache]: Analyzing trace with hash 5985001, now seen corresponding path program 2 times [2021-06-07 13:28:35,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 13:28:35,003 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003033364] [2021-06-07 13:28:35,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 13:28:35,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 13:28:35,215 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 13:28:35,216 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 13:28:35,218 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003033364] [2021-06-07 13:28:35,218 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003033364] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 13:28:35,219 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 13:28:35,219 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-07 13:28:35,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139988904] [2021-06-07 13:28:35,221 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-07 13:28:35,221 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 13:28:35,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-07 13:28:35,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-07 13:28:35,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 13:28:35,229 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 13:28:35,229 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 13:28:35,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 13:28:35,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 13:28:35,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 13:28:35,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 13:28:35,974 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-07 13:28:35,974 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 13:28:35,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 13:28:35,974 INFO L82 PathProgramCache]: Analyzing trace with hash 678884755, now seen corresponding path program 1 times [2021-06-07 13:28:35,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 13:28:35,974 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159506728] [2021-06-07 13:28:35,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 13:28:36,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 13:28:36,140 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 13:28:36,141 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 13:28:36,141 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159506728] [2021-06-07 13:28:36,141 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159506728] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 13:28:36,141 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 13:28:36,142 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-07 13:28:36,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182592381] [2021-06-07 13:28:36,142 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-07 13:28:36,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 13:28:36,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-07 13:28:36,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-07 13:28:36,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 13:28:36,144 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 13:28:36,144 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 13:28:36,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 13:28:36,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 13:28:36,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 13:28:36,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 13:28:36,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 13:28:36,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-07 13:28:36,744 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-07 13:28:36,744 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 13:28:36,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 13:28:36,745 INFO L82 PathProgramCache]: Analyzing trace with hash 246189005, now seen corresponding path program 3 times [2021-06-07 13:28:36,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 13:28:36,746 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625009739] [2021-06-07 13:28:36,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 13:28:36,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 13:28:36,877 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 13:28:36,877 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 13:28:36,878 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625009739] [2021-06-07 13:28:36,878 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625009739] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 13:28:36,878 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 13:28:36,879 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-07 13:28:36,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562203344] [2021-06-07 13:28:36,883 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-07 13:28:36,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 13:28:36,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-07 13:28:36,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-07 13:28:36,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 13:28:36,884 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 13:28:36,884 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 13:28:36,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 13:28:36,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 13:28:36,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-07 13:28:36,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 13:28:37,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 13:28:37,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 13:28:37,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-07 13:28:37,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 13:28:37,507 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-07 13:28:37,518 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-07 13:28:37,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.06 01:28:37 BasicIcfg [2021-06-07 13:28:37,520 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-07 13:28:37,520 INFO L168 Benchmark]: Toolchain (without parser) took 4939.38 ms. Allocated memory was 390.1 MB in the beginning and 490.7 MB in the end (delta: 100.7 MB). Free memory was 352.3 MB in the beginning and 346.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 107.3 MB. Max. memory is 16.0 GB. [2021-06-07 13:28:37,521 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 390.1 MB. Free memory was 370.5 MB in the beginning and 370.4 MB in the end (delta: 69.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-07 13:28:37,521 INFO L168 Benchmark]: CACSL2BoogieTranslator took 512.54 ms. Allocated memory is still 390.1 MB. Free memory was 352.1 MB in the beginning and 350.9 MB in the end (delta: 1.2 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.0 GB. [2021-06-07 13:28:37,522 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.43 ms. Allocated memory is still 390.1 MB. Free memory was 350.9 MB in the beginning and 349.9 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-07 13:28:37,524 INFO L168 Benchmark]: Boogie Preprocessor took 39.95 ms. Allocated memory is still 390.1 MB. Free memory was 349.9 MB in the beginning and 347.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-07 13:28:37,524 INFO L168 Benchmark]: RCFGBuilder took 407.38 ms. Allocated memory is still 390.1 MB. Free memory was 347.8 MB in the beginning and 322.6 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-06-07 13:28:37,525 INFO L168 Benchmark]: TraceAbstraction took 3916.15 ms. Allocated memory was 390.1 MB in the beginning and 490.7 MB in the end (delta: 100.7 MB). Free memory was 322.6 MB in the beginning and 346.9 MB in the end (delta: -24.3 MB). Peak memory consumption was 79.5 MB. Max. memory is 16.0 GB. [2021-06-07 13:28:37,527 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 390.1 MB. Free memory was 370.5 MB in the beginning and 370.4 MB in the end (delta: 69.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 512.54 ms. Allocated memory is still 390.1 MB. Free memory was 352.1 MB in the beginning and 350.9 MB in the end (delta: 1.2 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 57.43 ms. Allocated memory is still 390.1 MB. Free memory was 350.9 MB in the beginning and 349.9 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 39.95 ms. Allocated memory is still 390.1 MB. Free memory was 349.9 MB in the beginning and 347.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 407.38 ms. Allocated memory is still 390.1 MB. Free memory was 347.8 MB in the beginning and 322.6 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 3916.15 ms. Allocated memory was 390.1 MB in the beginning and 490.7 MB in the end (delta: 100.7 MB). Free memory was 322.6 MB in the beginning and 346.9 MB in the end (delta: -24.3 MB). Peak memory consumption was 79.5 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: 82454, positive: 79830, positive conditional: 79830, positive unconditional: 0, negative: 2624, negative conditional: 2624, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 80330, positive: 79830, positive conditional: 79830, positive unconditional: 0, negative: 500, negative conditional: 500, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 80330, positive: 79331, positive conditional: 0, positive unconditional: 79331, negative: 999, negative conditional: 0, negative unconditional: 999, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 916, positive: 903, positive conditional: 0, positive unconditional: 903, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 916, positive: 897, positive conditional: 0, positive unconditional: 897, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 21, positive conditional: 15, positive unconditional: 6, negative: 24, negative conditional: 11, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 114, positive: 47, positive conditional: 32, positive unconditional: 15, negative: 67, negative conditional: 22, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 80330, positive: 78428, positive conditional: 0, positive unconditional: 78428, negative: 986, negative conditional: 0, negative unconditional: 986, unknown: 916, unknown conditional: 0, unknown unconditional: 916] , Statistics on independence cache: Total cache size (in pairs): 942, Positive cache size: 918, Positive conditional cache size: 15, Positive unconditional cache size: 903, Negative cache size: 24, Negative conditional cache size: 11, Negative unconditional cache size: 13, SemanticConditionEliminator.Independence Queries: [ total: 2414, positive: 499, positive conditional: 499, positive unconditional: 0, negative: 1915, negative conditional: 194, negative unconditional: 1721, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2414, positive: 499, positive conditional: 499, positive unconditional: 0, negative: 1915, negative conditional: 194, negative unconditional: 1721, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 21, positive conditional: 15, positive unconditional: 6, negative: 24, negative conditional: 11, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 114, positive: 47, positive conditional: 32, positive unconditional: 15, negative: 67, negative conditional: 22, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2414, positive: 484, positive conditional: 484, positive unconditional: 0, negative: 1904, negative conditional: 183, negative unconditional: 1721, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 942, Positive cache size: 918, Positive conditional cache size: 15, Positive unconditional cache size: 903, Negative cache size: 24, Negative conditional cache size: 11, Negative unconditional cache size: 13, Eliminated conditions: 1721, SemanticConditionEliminator.Independence Queries: [ total: 2414, positive: 499, positive conditional: 499, positive unconditional: 0, negative: 1915, negative conditional: 194, negative unconditional: 1721, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2414, positive: 499, positive conditional: 499, positive unconditional: 0, negative: 1915, negative conditional: 194, negative unconditional: 1721, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 21, positive conditional: 15, positive unconditional: 6, negative: 24, negative conditional: 11, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 114, positive: 47, positive conditional: 32, positive unconditional: 15, negative: 67, negative conditional: 22, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2414, positive: 484, positive conditional: 484, positive unconditional: 0, negative: 1904, negative conditional: 183, negative unconditional: 1721, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 942, Positive cache size: 918, Positive conditional cache size: 15, Positive unconditional cache size: 903, Negative cache size: 24, Negative conditional cache size: 11, Negative unconditional cache size: 13, Eliminated conditions: 1721, SemanticConditionEliminator.Independence Queries: [ total: 2414, positive: 499, positive conditional: 499, positive unconditional: 0, negative: 1915, negative conditional: 194, negative unconditional: 1721, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2414, positive: 499, positive conditional: 499, positive unconditional: 0, negative: 1915, negative conditional: 194, negative unconditional: 1721, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 21, positive conditional: 15, positive unconditional: 6, negative: 24, negative conditional: 11, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 114, positive: 47, positive conditional: 32, positive unconditional: 15, negative: 67, negative conditional: 22, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2414, positive: 484, positive conditional: 484, positive unconditional: 0, negative: 1904, negative conditional: 183, negative unconditional: 1721, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 942, Positive cache size: 918, Positive conditional cache size: 15, Positive unconditional cache size: 903, Negative cache size: 24, Negative conditional cache size: 11, Negative unconditional cache size: 13, Eliminated conditions: 1721, SemanticConditionEliminator.Independence Queries: [ total: 2414, positive: 499, positive conditional: 499, positive unconditional: 0, negative: 1915, negative conditional: 194, negative unconditional: 1721, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2414, positive: 499, positive conditional: 499, positive unconditional: 0, negative: 1915, negative conditional: 194, negative unconditional: 1721, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 21, positive conditional: 15, positive unconditional: 6, negative: 24, negative conditional: 11, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 114, positive: 47, positive conditional: 32, positive unconditional: 15, negative: 67, negative conditional: 22, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2414, positive: 484, positive conditional: 484, positive unconditional: 0, negative: 1904, negative conditional: 183, negative unconditional: 1721, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 942, Positive cache size: 918, Positive conditional cache size: 15, Positive unconditional cache size: 903, Negative cache size: 24, Negative conditional cache size: 11, Negative unconditional cache size: 13, Eliminated conditions: 1721 ], Maximal queried relation: 4, Independence queries for same thread: 2124 - 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, 105 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3827.6ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.2ms, PartialOrderReductionTime: 2805.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 41, 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: 30.0ms SsaConstructionTime, 146.7ms SatisfiabilityAnalysisTime, 644.7ms InterpolantComputationTime, 261 NumberOfCodeBlocks, 261 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 257 ConstructedInterpolants, 0 QuantifiedInterpolants, 955 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...