/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/safe018_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-16 19:29:49,078 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-16 19:29:49,080 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-16 19:29:49,112 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-16 19:29:49,169 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 19:29:49,199 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-16 19:29:49,199 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-16 19:29:49,200 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-16 19:29:49,200 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-16 19:29:49,202 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-16 19:29:49,202 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-16 19:29:49,202 INFO L138 SettingsManager]: * Use SBE=true [2021-06-16 19:29:49,202 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-16 19:29:49,203 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-16 19:29:49,203 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-16 19:29:49,203 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-16 19:29:49,203 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-16 19:29:49,204 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-16 19:29:49,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-16 19:29:49,204 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-16 19:29:49,204 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-16 19:29:49,204 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-16 19:29:49,204 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-16 19:29:49,204 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-16 19:29:49,204 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-16 19:29:49,204 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-16 19:29:49,204 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-16 19:29:49,205 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-16 19:29:49,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 19:29:49,205 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-16 19:29:49,205 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-16 19:29:49,205 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-16 19:29:49,205 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-16 19:29:49,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-16 19:29:49,205 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-16 19:29:49,205 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-16 19:29:49,206 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-16 19:29:49,206 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-16 19:29:49,206 INFO L138 SettingsManager]: * Limit POR to symmetric independence in concurrent analysis=true [2021-06-16 19:29:49,206 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-16 19:29:49,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-16 19:29:49,500 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-16 19:29:49,502 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-16 19:29:49,503 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-16 19:29:49,503 INFO L275 PluginConnector]: CDTParser initialized [2021-06-16 19:29:49,504 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe018_pso.opt.i [2021-06-16 19:29:49,554 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/474b771a9/7c9f6000a31042b1878140e5e5978f16/FLAGb891b6380 [2021-06-16 19:29:49,974 INFO L306 CDTParser]: Found 1 translation units. [2021-06-16 19:29:49,974 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe018_pso.opt.i [2021-06-16 19:29:49,988 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/474b771a9/7c9f6000a31042b1878140e5e5978f16/FLAGb891b6380 [2021-06-16 19:29:50,319 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/474b771a9/7c9f6000a31042b1878140e5e5978f16 [2021-06-16 19:29:50,321 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-16 19:29:50,323 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-16 19:29:50,326 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-16 19:29:50,326 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-16 19:29:50,328 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-16 19:29:50,329 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 07:29:50" (1/1) ... [2021-06-16 19:29:50,330 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@823832b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:29:50, skipping insertion in model container [2021-06-16 19:29:50,330 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 07:29:50" (1/1) ... [2021-06-16 19:29:50,335 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-16 19:29:50,375 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-16 19:29:50,494 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_pso.opt.i[949,962] [2021-06-16 19:29:50,650 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 19:29:50,655 INFO L203 MainTranslator]: Completed pre-run [2021-06-16 19:29:50,663 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_pso.opt.i[949,962] [2021-06-16 19:29:50,678 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 19:29:50,735 INFO L208 MainTranslator]: Completed translation [2021-06-16 19:29:50,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:29:50 WrapperNode [2021-06-16 19:29:50,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-16 19:29:50,736 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-16 19:29:50,736 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-16 19:29:50,737 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-16 19:29:50,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:29:50" (1/1) ... [2021-06-16 19:29:50,749 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:29:50" (1/1) ... [2021-06-16 19:29:50,761 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-16 19:29:50,762 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-16 19:29:50,762 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-16 19:29:50,762 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-16 19:29:50,766 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:29:50" (1/1) ... [2021-06-16 19:29:50,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:29:50" (1/1) ... [2021-06-16 19:29:50,769 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:29:50" (1/1) ... [2021-06-16 19:29:50,769 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:29:50" (1/1) ... [2021-06-16 19:29:50,772 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:29:50" (1/1) ... [2021-06-16 19:29:50,773 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:29:50" (1/1) ... [2021-06-16 19:29:50,774 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:29:50" (1/1) ... [2021-06-16 19:29:50,776 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-16 19:29:50,777 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-16 19:29:50,777 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-16 19:29:50,777 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-16 19:29:50,777 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:29:50" (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 19:29:50,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-16 19:29:50,864 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-16 19:29:50,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-16 19:29:50,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-16 19:29:50,865 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-16 19:29:50,865 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-16 19:29:50,865 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-16 19:29:50,865 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-16 19:29:50,865 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-16 19:29:50,865 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-16 19:29:50,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-16 19:29:50,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-16 19:29:50,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-16 19:29:50,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-16 19:29:50,866 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 19:29:51,178 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-16 19:29:51,178 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-16 19:29:51,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 07:29:51 BoogieIcfgContainer [2021-06-16 19:29:51,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-16 19:29:51,181 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-16 19:29:51,181 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-16 19:29:51,184 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-16 19:29:51,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.06 07:29:50" (1/3) ... [2021-06-16 19:29:51,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d1a0b0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 07:29:51, skipping insertion in model container [2021-06-16 19:29:51,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 07:29:50" (2/3) ... [2021-06-16 19:29:51,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d1a0b0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 07:29:51, skipping insertion in model container [2021-06-16 19:29:51,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 07:29:51" (3/3) ... [2021-06-16 19:29:51,186 INFO L111 eAbstractionObserver]: Analyzing ICFG safe018_pso.opt.i [2021-06-16 19:29:51,191 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-16 19:29:51,191 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-16 19:29:51,191 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-16 19:29:51,192 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-16 19:29:51,217 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:51,217 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:51,217 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:51,218 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:51,218 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:51,218 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:51,218 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:51,218 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:51,218 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:51,218 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:51,218 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:51,219 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:51,219 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:51,219 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:51,219 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:51,219 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:51,220 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:51,220 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:51,220 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:51,221 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:51,221 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:51,221 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:51,222 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:51,222 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:51,225 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:51,225 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:51,225 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:51,225 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:51,226 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:51,226 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:51,226 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:51,227 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:51,227 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:51,227 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:51,227 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:51,227 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:51,229 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:51,229 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:51,229 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:51,229 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:51,233 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:51,234 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:51,234 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:51,234 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:51,235 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:51,235 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:51,236 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:51,236 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 19:29:51,238 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-16 19:29:51,254 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 19:29:51,333 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 19:29:51,333 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 19:29:51,334 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 19:29:51,334 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 19:29:51,334 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 19:29:51,334 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 19:29:51,334 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 19:29:51,334 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-16 19:29:51,377 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 19:29:51,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 19:29:51,381 INFO L82 PathProgramCache]: Analyzing trace with hash -1525268630, now seen corresponding path program 1 times [2021-06-16 19:29:51,387 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 19:29:51,388 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367196186] [2021-06-16 19:29:51,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 19:29:51,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 19:29:51,580 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 19:29:51,580 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 19:29:51,580 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367196186] [2021-06-16 19:29:51,581 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367196186] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 19:29:51,581 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 19:29:51,581 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-16 19:29:51,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032107165] [2021-06-16 19:29:51,584 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-16 19:29:51,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 19:29:51,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-16 19:29:51,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-16 19:29:51,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:29:51,594 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 19:29:51,597 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 19:29:51,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:29:51,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:29:51,613 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-16 19:29:51,613 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 19:29:51,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 19:29:51,615 INFO L82 PathProgramCache]: Analyzing trace with hash 111758106, now seen corresponding path program 1 times [2021-06-16 19:29:51,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 19:29:51,616 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429006387] [2021-06-16 19:29:51,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 19:29:51,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 19:29:51,803 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 19:29:51,804 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 19:29:51,804 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429006387] [2021-06-16 19:29:51,804 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429006387] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 19:29:51,804 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 19:29:51,804 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-16 19:29:51,804 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125533852] [2021-06-16 19:29:51,805 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-16 19:29:51,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 19:29:51,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-16 19:29:51,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-06-16 19:29:51,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:29:51,806 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 19:29:51,807 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 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 19:29:51,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:29:51,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:29:52,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:29:52,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 19:29:52,651 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-16 19:29:52,651 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 19:29:52,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 19:29:52,658 INFO L82 PathProgramCache]: Analyzing trace with hash -1911021066, now seen corresponding path program 1 times [2021-06-16 19:29:52,658 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 19:29:52,658 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412681009] [2021-06-16 19:29:52,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 19:29:52,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 19:29:52,800 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 19:29:52,800 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 19:29:52,800 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412681009] [2021-06-16 19:29:52,800 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412681009] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 19:29:52,800 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 19:29:52,800 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-16 19:29:52,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730967210] [2021-06-16 19:29:52,801 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-16 19:29:52,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 19:29:52,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-16 19:29:52,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-16 19:29:52,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:29:52,802 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 19:29:52,802 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 19:29:52,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:29:52,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 19:29:52,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:29:53,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:29:53,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 19:29:53,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 19:29:53,088 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-16 19:29:53,088 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 19:29:53,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 19:29:53,089 INFO L82 PathProgramCache]: Analyzing trace with hash 1283705014, now seen corresponding path program 1 times [2021-06-16 19:29:53,089 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 19:29:53,089 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125764370] [2021-06-16 19:29:53,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 19:29:53,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 19:29:53,196 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 19:29:53,196 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 19:29:53,196 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125764370] [2021-06-16 19:29:53,196 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125764370] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 19:29:53,196 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 19:29:53,197 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-16 19:29:53,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051526294] [2021-06-16 19:29:53,197 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-16 19:29:53,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 19:29:53,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-16 19:29:53,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-16 19:29:53,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:29:53,198 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 19:29:53,199 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 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 19:29:53,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:29:53,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 19:29:53,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 19:29:53,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:29:53,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:29:53,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 19:29:53,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 19:29:53,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 19:29:53,630 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-16 19:29:53,630 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 19:29:53,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 19:29:53,631 INFO L82 PathProgramCache]: Analyzing trace with hash -1901212422, now seen corresponding path program 2 times [2021-06-16 19:29:53,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 19:29:53,631 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399609889] [2021-06-16 19:29:53,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 19:29:53,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 19:29:53,761 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 19:29:53,762 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 19:29:53,762 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399609889] [2021-06-16 19:29:53,762 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399609889] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 19:29:53,762 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 19:29:53,762 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-16 19:29:53,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715313937] [2021-06-16 19:29:53,763 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-16 19:29:53,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 19:29:53,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-16 19:29:53,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-06-16 19:29:53,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:29:53,764 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 19:29:53,764 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 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 19:29:53,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:29:53,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 19:29:53,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-16 19:29:53,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 19:29:53,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:29:54,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 19:29:54,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 19:29:54,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 19:29:54,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 19:29:54,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 19:29:54,246 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-16 19:29:54,251 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-16 19:29:54,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.06 07:29:54 BasicIcfg [2021-06-16 19:29:54,253 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-16 19:29:54,253 INFO L168 Benchmark]: Toolchain (without parser) took 3930.22 ms. Allocated memory was 213.9 MB in the beginning and 398.5 MB in the end (delta: 184.5 MB). Free memory was 177.4 MB in the beginning and 125.2 MB in the end (delta: 52.3 MB). Peak memory consumption was 237.8 MB. Max. memory is 8.0 GB. [2021-06-16 19:29:54,253 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 213.9 MB. Free memory is still 195.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-16 19:29:54,254 INFO L168 Benchmark]: CACSL2BoogieTranslator took 410.35 ms. Allocated memory is still 213.9 MB. Free memory was 177.3 MB in the beginning and 175.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-06-16 19:29:54,254 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.87 ms. Allocated memory is still 213.9 MB. Free memory was 175.5 MB in the beginning and 173.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-16 19:29:54,254 INFO L168 Benchmark]: Boogie Preprocessor took 14.34 ms. Allocated memory is still 213.9 MB. Free memory was 173.9 MB in the beginning and 172.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-16 19:29:54,254 INFO L168 Benchmark]: RCFGBuilder took 403.20 ms. Allocated memory is still 213.9 MB. Free memory was 172.3 MB in the beginning and 148.2 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2021-06-16 19:29:54,255 INFO L168 Benchmark]: TraceAbstraction took 3071.69 ms. Allocated memory was 213.9 MB in the beginning and 398.5 MB in the end (delta: 184.5 MB). Free memory was 147.7 MB in the beginning and 125.2 MB in the end (delta: 22.5 MB). Peak memory consumption was 208.6 MB. Max. memory is 8.0 GB. [2021-06-16 19:29:54,256 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 213.9 MB. Free memory is still 195.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 410.35 ms. Allocated memory is still 213.9 MB. Free memory was 177.3 MB in the beginning and 175.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 24.87 ms. Allocated memory is still 213.9 MB. Free memory was 175.5 MB in the beginning and 173.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 14.34 ms. Allocated memory is still 213.9 MB. Free memory was 173.9 MB in the beginning and 172.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 403.20 ms. Allocated memory is still 213.9 MB. Free memory was 172.3 MB in the beginning and 148.2 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3071.69 ms. Allocated memory was 213.9 MB in the beginning and 398.5 MB in the end (delta: 184.5 MB). Free memory was 147.7 MB in the beginning and 125.2 MB in the end (delta: 22.5 MB). Peak memory consumption was 208.6 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: 81409, positive: 80237, positive conditional: 80237, positive unconditional: 0, negative: 1172, negative conditional: 1172, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 80901, positive: 80237, positive conditional: 80237, positive unconditional: 0, negative: 664, negative conditional: 664, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 80901, positive: 79869, positive conditional: 0, positive unconditional: 79869, negative: 1032, negative conditional: 0, negative unconditional: 1032, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 608, positive: 599, positive conditional: 0, positive unconditional: 599, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 608, positive: 596, positive conditional: 0, positive unconditional: 596, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 29, positive: 13, positive conditional: 10, positive unconditional: 3, negative: 16, negative conditional: 7, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 87, positive: 41, positive conditional: 28, positive unconditional: 14, negative: 46, negative conditional: 9, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 80901, positive: 79270, positive conditional: 0, positive unconditional: 79270, negative: 1023, negative conditional: 0, negative unconditional: 1023, unknown: 608, unknown conditional: 0, unknown unconditional: 608] , Statistics on independence cache: Total cache size (in pairs): 625, Positive cache size: 609, Positive conditional cache size: 10, Positive unconditional cache size: 599, Negative cache size: 16, Negative conditional cache size: 7, Negative unconditional cache size: 9, SemanticConditionEliminator.Independence Queries: [ total: 3359, positive: 368, positive conditional: 368, positive unconditional: 0, negative: 2991, negative conditional: 238, negative unconditional: 2753, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3359, positive: 368, positive conditional: 368, positive unconditional: 0, negative: 2991, negative conditional: 238, negative unconditional: 2753, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 29, positive: 13, positive conditional: 10, positive unconditional: 3, negative: 16, negative conditional: 7, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 87, positive: 41, positive conditional: 28, positive unconditional: 14, negative: 46, negative conditional: 9, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3359, positive: 358, positive conditional: 358, positive unconditional: 0, negative: 2984, negative conditional: 231, negative unconditional: 2753, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 625, Positive cache size: 609, Positive conditional cache size: 10, Positive unconditional cache size: 599, Negative cache size: 16, Negative conditional cache size: 7, Negative unconditional cache size: 9, Eliminated conditions: 2753, SemanticConditionEliminator.Independence Queries: [ total: 3359, positive: 368, positive conditional: 368, positive unconditional: 0, negative: 2991, negative conditional: 238, negative unconditional: 2753, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3359, positive: 368, positive conditional: 368, positive unconditional: 0, negative: 2991, negative conditional: 238, negative unconditional: 2753, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 29, positive: 13, positive conditional: 10, positive unconditional: 3, negative: 16, negative conditional: 7, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 87, positive: 41, positive conditional: 28, positive unconditional: 14, negative: 46, negative conditional: 9, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3359, positive: 358, positive conditional: 358, positive unconditional: 0, negative: 2984, negative conditional: 231, negative unconditional: 2753, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 625, Positive cache size: 609, Positive conditional cache size: 10, Positive unconditional cache size: 599, Negative cache size: 16, Negative conditional cache size: 7, Negative unconditional cache size: 9, Eliminated conditions: 2753, SemanticConditionEliminator.Independence Queries: [ total: 3359, positive: 368, positive conditional: 368, positive unconditional: 0, negative: 2991, negative conditional: 238, negative unconditional: 2753, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3359, positive: 368, positive conditional: 368, positive unconditional: 0, negative: 2991, negative conditional: 238, negative unconditional: 2753, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 29, positive: 13, positive conditional: 10, positive unconditional: 3, negative: 16, negative conditional: 7, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 87, positive: 41, positive conditional: 28, positive unconditional: 14, negative: 46, negative conditional: 9, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3359, positive: 358, positive conditional: 358, positive unconditional: 0, negative: 2984, negative conditional: 231, negative unconditional: 2753, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 625, Positive cache size: 609, Positive conditional cache size: 10, Positive unconditional cache size: 599, Negative cache size: 16, Negative conditional cache size: 7, Negative unconditional cache size: 9, Eliminated conditions: 2753, SemanticConditionEliminator.Independence Queries: [ total: 3359, positive: 368, positive conditional: 368, positive unconditional: 0, negative: 2991, negative conditional: 238, negative unconditional: 2753, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3359, positive: 368, positive conditional: 368, positive unconditional: 0, negative: 2991, negative conditional: 238, negative unconditional: 2753, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 29, positive: 13, positive conditional: 10, positive unconditional: 3, negative: 16, negative conditional: 7, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 87, positive: 41, positive conditional: 28, positive unconditional: 14, negative: 46, negative conditional: 9, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3359, positive: 358, positive conditional: 358, positive unconditional: 0, negative: 2984, negative conditional: 231, negative unconditional: 2753, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 625, Positive cache size: 609, Positive conditional cache size: 10, Positive unconditional cache size: 599, Negative cache size: 16, Negative conditional cache size: 7, Negative unconditional cache size: 9, Eliminated conditions: 2753, SemanticConditionEliminator.Independence Queries: [ total: 3359, positive: 368, positive conditional: 368, positive unconditional: 0, negative: 2991, negative conditional: 238, negative unconditional: 2753, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3359, positive: 368, positive conditional: 368, positive unconditional: 0, negative: 2991, negative conditional: 238, negative unconditional: 2753, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 29, positive: 13, positive conditional: 10, positive unconditional: 3, negative: 16, negative conditional: 7, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 87, positive: 41, positive conditional: 28, positive unconditional: 14, negative: 46, negative conditional: 9, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3359, positive: 358, positive conditional: 358, positive unconditional: 0, negative: 2984, negative conditional: 231, negative unconditional: 2753, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 625, Positive cache size: 609, Positive conditional cache size: 10, Positive unconditional cache size: 599, Negative cache size: 16, Negative conditional cache size: 7, Negative unconditional cache size: 9, Eliminated conditions: 2753 ], Maximal queried relation: 5, Independence queries for same thread: 508 - 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: 2976.7ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.0ms, PartialOrderReductionTime: 2087.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 50, 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: 22.6ms SsaConstructionTime, 167.2ms SatisfiabilityAnalysisTime, 484.3ms InterpolantComputationTime, 308 NumberOfCodeBlocks, 308 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 303 ConstructedInterpolants, 0 QuantifiedInterpolants, 1195 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...