/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-NewStatesSleep-NoLbe-Symm.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe004_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-16 19:27:21,047 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-16 19:27:21,049 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-16 19:27:21,088 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-16 19:27:21,154 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-16 19:27:21,157 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-16 19:27:21,159 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-16 19:27:21,163 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-NewStatesSleep-NoLbe-Symm.epf [2021-06-16 19:27:21,197 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-16 19:27:21,197 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-16 19:27:21,197 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-16 19:27:21,197 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-16 19:27:21,198 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-16 19:27:21,199 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-16 19:27:21,199 INFO L138 SettingsManager]: * Use SBE=true [2021-06-16 19:27:21,199 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-16 19:27:21,199 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-16 19:27:21,199 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-16 19:27:21,199 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-16 19:27:21,199 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-16 19:27:21,200 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-16 19:27:21,200 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-16 19:27:21,200 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-16 19:27:21,200 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-16 19:27:21,200 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-16 19:27:21,200 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-16 19:27:21,200 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-16 19:27:21,200 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-16 19:27:21,201 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-16 19:27:21,201 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-16 19:27:21,201 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-16 19:27:21,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 19:27:21,201 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-16 19:27:21,201 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-16 19:27:21,201 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-16 19:27:21,202 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-16 19:27:21,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-16 19:27:21,202 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-16 19:27:21,202 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-16 19:27:21,202 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-16 19:27:21,202 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-16 19:27:21,202 INFO L138 SettingsManager]: * Limit POR to symmetric independence in concurrent analysis=true [2021-06-16 19:27:21,202 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-16 19:27:21,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-16 19:27:21,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-16 19:27:21,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-16 19:27:21,546 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-16 19:27:21,547 INFO L275 PluginConnector]: CDTParser initialized [2021-06-16 19:27:21,548 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe004_tso.oepc.i [2021-06-16 19:27:21,601 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa4d3bb96/a6d2151d061343898d60a7efb0df9790/FLAG75ba21b9d [2021-06-16 19:27:22,185 INFO L306 CDTParser]: Found 1 translation units. [2021-06-16 19:27:22,186 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe004_tso.oepc.i [2021-06-16 19:27:22,199 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa4d3bb96/a6d2151d061343898d60a7efb0df9790/FLAG75ba21b9d [2021-06-16 19:27:22,578 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa4d3bb96/a6d2151d061343898d60a7efb0df9790 [2021-06-16 19:27:22,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-16 19:27:22,581 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-16 19:27:22,594 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-16 19:27:22,594 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-16 19:27:22,600 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-16 19:27:22,601 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 07:27:22" (1/1) ... [2021-06-16 19:27:22,602 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@503468bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:27:22, skipping insertion in model container [2021-06-16 19:27:22,603 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 07:27:22" (1/1) ... [2021-06-16 19:27:22,613 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-16 19:27:22,660 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-16 19:27:22,783 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/safe004_tso.oepc.i[950,963] [2021-06-16 19:27:22,974 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 19:27:22,981 INFO L203 MainTranslator]: Completed pre-run [2021-06-16 19:27:22,995 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/safe004_tso.oepc.i[950,963] [2021-06-16 19:27:23,038 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 19:27:23,100 INFO L208 MainTranslator]: Completed translation [2021-06-16 19:27:23,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:27:23 WrapperNode [2021-06-16 19:27:23,101 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-16 19:27:23,102 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-16 19:27:23,102 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-16 19:27:23,102 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-16 19:27:23,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:27:23" (1/1) ... [2021-06-16 19:27:23,138 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:27:23" (1/1) ... [2021-06-16 19:27:23,155 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-16 19:27:23,156 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-16 19:27:23,156 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-16 19:27:23,156 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-16 19:27:23,163 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:27:23" (1/1) ... [2021-06-16 19:27:23,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:27:23" (1/1) ... [2021-06-16 19:27:23,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:27:23" (1/1) ... [2021-06-16 19:27:23,166 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:27:23" (1/1) ... [2021-06-16 19:27:23,177 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:27:23" (1/1) ... [2021-06-16 19:27:23,179 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:27:23" (1/1) ... [2021-06-16 19:27:23,181 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:27:23" (1/1) ... [2021-06-16 19:27:23,183 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-16 19:27:23,184 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-16 19:27:23,184 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-16 19:27:23,184 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-16 19:27:23,185 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:27:23" (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 [2021-06-16 19:27:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-16 19:27:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-16 19:27:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-16 19:27:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-16 19:27:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-16 19:27:23,255 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-16 19:27:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-16 19:27:23,255 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-16 19:27:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-16 19:27:23,256 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-16 19:27:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-16 19:27:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-16 19:27:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-16 19:27:23,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-16 19:27:23,257 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-16 19:27:23,616 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-16 19:27:23,617 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-16 19:27:23,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 07:27:23 BoogieIcfgContainer [2021-06-16 19:27:23,619 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-16 19:27:23,620 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-16 19:27:23,620 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-16 19:27:23,623 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-16 19:27:23,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.06 07:27:22" (1/3) ... [2021-06-16 19:27:23,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42b99e0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 07:27:23, skipping insertion in model container [2021-06-16 19:27:23,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:27:23" (2/3) ... [2021-06-16 19:27:23,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42b99e0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 07:27:23, skipping insertion in model container [2021-06-16 19:27:23,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 07:27:23" (3/3) ... [2021-06-16 19:27:23,627 INFO L111 eAbstractionObserver]: Analyzing ICFG safe004_tso.oepc.i [2021-06-16 19:27:23,632 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-16 19:27:23,632 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-16 19:27:23,633 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-16 19:27:23,633 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-16 19:27:23,665 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:23,665 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:23,666 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:23,666 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:23,666 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:23,666 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:23,666 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:23,666 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:23,667 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:23,667 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:23,667 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:23,667 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:23,668 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:23,668 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:23,668 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:23,668 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:23,670 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:23,670 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:23,670 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:23,671 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:23,672 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:23,672 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:23,672 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:23,672 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:23,677 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:23,677 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:23,677 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:23,677 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:23,678 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:23,678 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:23,678 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:23,678 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:23,678 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:23,678 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:23,678 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:23,679 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:23,680 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:23,680 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:23,681 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:23,681 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:23,685 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:23,685 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:23,685 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:23,685 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:23,687 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:23,688 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:23,688 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:23,688 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:27:23,691 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-16 19:27:23,710 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 [2021-06-16 19:27:23,782 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 19:27:23,782 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 19:27:23,782 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 19:27:23,782 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 19:27:23,783 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 19:27:23,783 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 19:27:23,783 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 19:27:23,783 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-16 19:27:23,837 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 19:27:23,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 19:27:23,842 INFO L82 PathProgramCache]: Analyzing trace with hash -956153257, now seen corresponding path program 1 times [2021-06-16 19:27:23,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 19:27:23,850 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927846260] [2021-06-16 19:27:23,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 19:27:23,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 19:27:24,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 19:27:24,122 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 19:27:24,122 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927846260] [2021-06-16 19:27:24,123 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927846260] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 19:27:24,123 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 19:27:24,123 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-16 19:27:24,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704571543] [2021-06-16 19:27:24,128 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-16 19:27:24,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 19:27:24,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-16 19:27:24,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-16 19:27:24,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:27:24,143 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 19:27:24,145 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 19:27:24,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:27:24,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:27:24,155 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-16 19:27:24,156 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 19:27:24,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 19:27:24,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1807271701, now seen corresponding path program 1 times [2021-06-16 19:27:24,156 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 19:27:24,157 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989312104] [2021-06-16 19:27:24,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 19:27:24,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 19:27:24,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 19:27:24,369 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 19:27:24,372 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989312104] [2021-06-16 19:27:24,374 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989312104] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 19:27:24,374 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 19:27:24,374 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-16 19:27:24,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742307943] [2021-06-16 19:27:24,377 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-16 19:27:24,377 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 19:27:24,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-16 19:27:24,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-16 19:27:24,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:27:24,383 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 19:27:24,383 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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) [2021-06-16 19:27:24,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:27:24,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:27:24,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:27:24,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 19:27:24,601 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-16 19:27:24,601 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 19:27:24,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 19:27:24,601 INFO L82 PathProgramCache]: Analyzing trace with hash -1537959646, now seen corresponding path program 1 times [2021-06-16 19:27:24,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 19:27:24,602 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552824565] [2021-06-16 19:27:24,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 19:27:24,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 19:27:24,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 19:27:24,748 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 19:27:24,748 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552824565] [2021-06-16 19:27:24,748 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552824565] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 19:27:24,748 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 19:27:24,748 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-16 19:27:24,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322939226] [2021-06-16 19:27:24,749 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-16 19:27:24,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 19:27:24,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-16 19:27:24,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-16 19:27:24,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:27:24,753 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 19:27:24,753 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 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) [2021-06-16 19:27:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:27:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 19:27:24,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:27:25,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:27:25,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 19:27:25,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 19:27:25,022 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-16 19:27:25,022 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 19:27:25,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 19:27:25,023 INFO L82 PathProgramCache]: Analyzing trace with hash -542665372, now seen corresponding path program 1 times [2021-06-16 19:27:25,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 19:27:25,023 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161408680] [2021-06-16 19:27:25,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 19:27:25,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 19:27:25,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 19:27:25,123 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 19:27:25,124 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161408680] [2021-06-16 19:27:25,124 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161408680] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 19:27:25,124 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 19:27:25,124 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-16 19:27:25,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078080210] [2021-06-16 19:27:25,124 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-16 19:27:25,124 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 19:27:25,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-16 19:27:25,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-16 19:27:25,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:27:25,125 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 19:27:25,125 INFO L483 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) [2021-06-16 19:27:25,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:27:25,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 19:27:25,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 19:27:25,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:27:27,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:27:27,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 19:27:27,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 19:27:27,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 19:27:27,351 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-16 19:27:27,352 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 19:27:27,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 19:27:27,352 INFO L82 PathProgramCache]: Analyzing trace with hash -1446883630, now seen corresponding path program 1 times [2021-06-16 19:27:27,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 19:27:27,352 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786200401] [2021-06-16 19:27:27,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 19:27:27,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 19:27:27,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 19:27:27,429 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 19:27:27,430 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786200401] [2021-06-16 19:27:27,430 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786200401] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 19:27:27,430 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 19:27:27,430 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-16 19:27:27,430 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427303302] [2021-06-16 19:27:27,431 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-16 19:27:27,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 19:27:27,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-16 19:27:27,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-16 19:27:27,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:27:27,431 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 19:27:27,432 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 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) [2021-06-16 19:27:27,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:27:27,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 19:27:27,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 19:27:27,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 19:27:27,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:27:28,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:27:28,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 19:27:28,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 19:27:28,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 19:27:28,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 19:27:28,553 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-16 19:27:28,553 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 19:27:28,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 19:27:28,554 INFO L82 PathProgramCache]: Analyzing trace with hash 839448236, now seen corresponding path program 1 times [2021-06-16 19:27:28,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 19:27:28,554 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996229985] [2021-06-16 19:27:28,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 19:27:28,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 19:27:28,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 19:27:28,732 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 19:27:28,732 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996229985] [2021-06-16 19:27:28,732 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996229985] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 19:27:28,732 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 19:27:28,732 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-16 19:27:28,733 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311925109] [2021-06-16 19:27:28,733 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-16 19:27:28,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 19:27:28,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-16 19:27:28,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-16 19:27:28,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:27:28,735 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 19:27:28,738 INFO L483 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) [2021-06-16 19:27:28,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:27:28,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 19:27:28,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 19:27:28,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 19:27:28,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 19:27:28,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:27:29,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:27:29,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 19:27:29,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 19:27:29,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 19:27:29,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 19:27:29,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 19:27:29,418 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-16 19:27:29,436 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-16 19:27:29,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.06 07:27:29 BasicIcfg [2021-06-16 19:27:29,437 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-16 19:27:29,438 INFO L168 Benchmark]: Toolchain (without parser) took 6856.88 ms. Allocated memory was 170.9 MB in the beginning and 627.0 MB in the end (delta: 456.1 MB). Free memory was 133.3 MB in the beginning and 206.4 MB in the end (delta: -73.1 MB). Peak memory consumption was 383.6 MB. Max. memory is 8.0 GB. [2021-06-16 19:27:29,438 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 170.9 MB. Free memory is still 151.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-16 19:27:29,439 INFO L168 Benchmark]: CACSL2BoogieTranslator took 507.17 ms. Allocated memory is still 170.9 MB. Free memory was 133.1 MB in the beginning and 133.6 MB in the end (delta: -524.7 kB). Peak memory consumption was 10.3 MB. Max. memory is 8.0 GB. [2021-06-16 19:27:29,439 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.69 ms. Allocated memory is still 170.9 MB. Free memory was 133.6 MB in the beginning and 131.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-16 19:27:29,439 INFO L168 Benchmark]: Boogie Preprocessor took 27.09 ms. Allocated memory is still 170.9 MB. Free memory was 131.6 MB in the beginning and 130.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-16 19:27:29,439 INFO L168 Benchmark]: RCFGBuilder took 434.95 ms. Allocated memory is still 170.9 MB. Free memory was 130.0 MB in the beginning and 106.4 MB in the end (delta: 23.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2021-06-16 19:27:29,440 INFO L168 Benchmark]: TraceAbstraction took 5817.54 ms. Allocated memory was 170.9 MB in the beginning and 627.0 MB in the end (delta: 456.1 MB). Free memory was 106.4 MB in the beginning and 206.4 MB in the end (delta: -99.9 MB). Peak memory consumption was 356.2 MB. Max. memory is 8.0 GB. [2021-06-16 19:27:29,443 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 170.9 MB. Free memory is still 151.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 507.17 ms. Allocated memory is still 170.9 MB. Free memory was 133.1 MB in the beginning and 133.6 MB in the end (delta: -524.7 kB). Peak memory consumption was 10.3 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 53.69 ms. Allocated memory is still 170.9 MB. Free memory was 133.6 MB in the beginning and 131.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 27.09 ms. Allocated memory is still 170.9 MB. Free memory was 131.6 MB in the beginning and 130.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 434.95 ms. Allocated memory is still 170.9 MB. Free memory was 130.0 MB in the beginning and 106.4 MB in the end (delta: 23.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 5817.54 ms. Allocated memory was 170.9 MB in the beginning and 627.0 MB in the end (delta: 456.1 MB). Free memory was 106.4 MB in the beginning and 206.4 MB in the end (delta: -99.9 MB). Peak memory consumption was 356.2 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: 145809, positive: 143548, positive conditional: 143548, positive unconditional: 0, negative: 2261, negative conditional: 2261, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 145153, positive: 143548, positive conditional: 143548, positive unconditional: 0, negative: 1605, negative conditional: 1605, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 145153, positive: 142940, positive conditional: 0, positive unconditional: 142940, negative: 2213, negative conditional: 0, negative unconditional: 2213, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 651, positive: 636, positive conditional: 0, positive unconditional: 636, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 651, positive: 633, positive conditional: 0, positive unconditional: 633, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 69, positive: 22, positive conditional: 19, positive unconditional: 3, negative: 47, negative conditional: 32, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 184, positive: 79, positive conditional: 68, positive unconditional: 11, negative: 105, negative conditional: 56, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 145153, positive: 142304, positive conditional: 0, positive unconditional: 142304, negative: 2198, negative conditional: 0, negative unconditional: 2198, unknown: 651, unknown conditional: 0, unknown unconditional: 651] , Statistics on independence cache: Total cache size (in pairs): 702, Positive cache size: 655, Positive conditional cache size: 19, Positive unconditional cache size: 636, Negative cache size: 47, Negative conditional cache size: 32, Negative unconditional cache size: 15, SemanticConditionEliminator.Independence Queries: [ total: 10072, positive: 608, positive conditional: 608, positive unconditional: 0, negative: 9464, negative conditional: 1329, negative unconditional: 8135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10072, positive: 608, positive conditional: 608, positive unconditional: 0, negative: 9464, negative conditional: 1329, negative unconditional: 8135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 69, positive: 22, positive conditional: 19, positive unconditional: 3, negative: 47, negative conditional: 32, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 184, positive: 79, positive conditional: 68, positive unconditional: 11, negative: 105, negative conditional: 56, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 10072, positive: 589, positive conditional: 589, positive unconditional: 0, negative: 9432, negative conditional: 1297, negative unconditional: 8135, unknown: 51, unknown conditional: 51, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 702, Positive cache size: 655, Positive conditional cache size: 19, Positive unconditional cache size: 636, Negative cache size: 47, Negative conditional cache size: 32, Negative unconditional cache size: 15, Eliminated conditions: 8135, SemanticConditionEliminator.Independence Queries: [ total: 10072, positive: 608, positive conditional: 608, positive unconditional: 0, negative: 9464, negative conditional: 1329, negative unconditional: 8135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10072, positive: 608, positive conditional: 608, positive unconditional: 0, negative: 9464, negative conditional: 1329, negative unconditional: 8135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 69, positive: 22, positive conditional: 19, positive unconditional: 3, negative: 47, negative conditional: 32, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 184, positive: 79, positive conditional: 68, positive unconditional: 11, negative: 105, negative conditional: 56, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 10072, positive: 589, positive conditional: 589, positive unconditional: 0, negative: 9432, negative conditional: 1297, negative unconditional: 8135, unknown: 51, unknown conditional: 51, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 702, Positive cache size: 655, Positive conditional cache size: 19, Positive unconditional cache size: 636, Negative cache size: 47, Negative conditional cache size: 32, Negative unconditional cache size: 15, Eliminated conditions: 8135, SemanticConditionEliminator.Independence Queries: [ total: 10072, positive: 608, positive conditional: 608, positive unconditional: 0, negative: 9464, negative conditional: 1329, negative unconditional: 8135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10072, positive: 608, positive conditional: 608, positive unconditional: 0, negative: 9464, negative conditional: 1329, negative unconditional: 8135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 69, positive: 22, positive conditional: 19, positive unconditional: 3, negative: 47, negative conditional: 32, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 184, positive: 79, positive conditional: 68, positive unconditional: 11, negative: 105, negative conditional: 56, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 10072, positive: 589, positive conditional: 589, positive unconditional: 0, negative: 9432, negative conditional: 1297, negative unconditional: 8135, unknown: 51, unknown conditional: 51, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 702, Positive cache size: 655, Positive conditional cache size: 19, Positive unconditional cache size: 636, Negative cache size: 47, Negative conditional cache size: 32, Negative unconditional cache size: 15, Eliminated conditions: 8135, SemanticConditionEliminator.Independence Queries: [ total: 10072, positive: 608, positive conditional: 608, positive unconditional: 0, negative: 9464, negative conditional: 1329, negative unconditional: 8135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10072, positive: 608, positive conditional: 608, positive unconditional: 0, negative: 9464, negative conditional: 1329, negative unconditional: 8135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 69, positive: 22, positive conditional: 19, positive unconditional: 3, negative: 47, negative conditional: 32, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 184, positive: 79, positive conditional: 68, positive unconditional: 11, negative: 105, negative conditional: 56, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 10072, positive: 589, positive conditional: 589, positive unconditional: 0, negative: 9432, negative conditional: 1297, negative unconditional: 8135, unknown: 51, unknown conditional: 51, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 702, Positive cache size: 655, Positive conditional cache size: 19, Positive unconditional cache size: 636, Negative cache size: 47, Negative conditional cache size: 32, Negative unconditional cache size: 15, Eliminated conditions: 8135, SemanticConditionEliminator.Independence Queries: [ total: 10072, positive: 608, positive conditional: 608, positive unconditional: 0, negative: 9464, negative conditional: 1329, negative unconditional: 8135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10072, positive: 608, positive conditional: 608, positive unconditional: 0, negative: 9464, negative conditional: 1329, negative unconditional: 8135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 69, positive: 22, positive conditional: 19, positive unconditional: 3, negative: 47, negative conditional: 32, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 184, positive: 79, positive conditional: 68, positive unconditional: 11, negative: 105, negative conditional: 56, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 10072, positive: 589, positive conditional: 589, positive unconditional: 0, negative: 9432, negative conditional: 1297, negative unconditional: 8135, unknown: 51, unknown conditional: 51, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 702, Positive cache size: 655, Positive conditional cache size: 19, Positive unconditional cache size: 636, Negative cache size: 47, Negative conditional cache size: 32, Negative unconditional cache size: 15, Eliminated conditions: 8135, SemanticConditionEliminator.Independence Queries: [ total: 10072, positive: 608, positive conditional: 608, positive unconditional: 0, negative: 9464, negative conditional: 1329, negative unconditional: 8135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10072, positive: 608, positive conditional: 608, positive unconditional: 0, negative: 9464, negative conditional: 1329, negative unconditional: 8135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 69, positive: 22, positive conditional: 19, positive unconditional: 3, negative: 47, negative conditional: 32, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 184, positive: 79, positive conditional: 68, positive unconditional: 11, negative: 105, negative conditional: 56, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 10072, positive: 589, positive conditional: 589, positive unconditional: 0, negative: 9432, negative conditional: 1297, negative unconditional: 8135, unknown: 51, unknown conditional: 51, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 702, Positive cache size: 655, Positive conditional cache size: 19, Positive unconditional cache size: 636, Negative cache size: 47, Negative conditional cache size: 32, Negative unconditional cache size: 15, Eliminated conditions: 8135 ], Maximal queried relation: 6, Independence queries for same thread: 656 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 106 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5698.4ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.6ms, PartialOrderReductionTime: 4558.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 56, 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: 20.5ms SsaConstructionTime, 153.8ms SatisfiabilityAnalysisTime, 711.8ms InterpolantComputationTime, 360 NumberOfCodeBlocks, 360 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 354 ConstructedInterpolants, 0 QuantifiedInterpolants, 858 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! Received shutdown request...