/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe014_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 08:09:09,428 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 08:09:09,430 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 08:09:09,472 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 08:09:09,534 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 08:09:09,534 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 08:09:09,535 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 08:09:09,539 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf [2021-06-06 08:09:09,577 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 08:09:09,577 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 08:09:09,578 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 08:09:09,578 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 08:09:09,580 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 08:09:09,580 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 08:09:09,580 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 08:09:09,581 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 08:09:09,581 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 08:09:09,581 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 08:09:09,582 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 08:09:09,582 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 08:09:09,582 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 08:09:09,582 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 08:09:09,582 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 08:09:09,582 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 08:09:09,582 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 08:09:09,583 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 08:09:09,583 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 08:09:09,583 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 08:09:09,583 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 08:09:09,583 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 08:09:09,583 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 08:09:09,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 08:09:09,583 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 08:09:09,584 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 08:09:09,584 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 08:09:09,584 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 08:09:09,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 08:09:09,584 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 08:09:09,584 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 08:09:09,584 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 08:09:09,585 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 08:09:09,585 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 08:09:09,922 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 08:09:09,941 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 08:09:09,943 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 08:09:09,944 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-06 08:09:09,945 INFO L275 PluginConnector]: CDTParser initialized [2021-06-06 08:09:09,945 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe014_pso.opt.i [2021-06-06 08:09:10,000 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b65feb106/dec2b2bf67ae4ed0a2423ec9b2dcc379/FLAG95cf0fb10 [2021-06-06 08:09:10,523 INFO L306 CDTParser]: Found 1 translation units. [2021-06-06 08:09:10,524 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe014_pso.opt.i [2021-06-06 08:09:10,537 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b65feb106/dec2b2bf67ae4ed0a2423ec9b2dcc379/FLAG95cf0fb10 [2021-06-06 08:09:10,977 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b65feb106/dec2b2bf67ae4ed0a2423ec9b2dcc379 [2021-06-06 08:09:10,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 08:09:10,980 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-06 08:09:10,982 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-06 08:09:10,982 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-06 08:09:10,988 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-06 08:09:10,989 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 08:09:10" (1/1) ... [2021-06-06 08:09:10,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c97801e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:09:10, skipping insertion in model container [2021-06-06 08:09:10,989 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 08:09:10" (1/1) ... [2021-06-06 08:09:10,995 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-06 08:09:11,047 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-06 08:09:11,241 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/safe014_pso.opt.i[949,962] [2021-06-06 08:09:11,459 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 08:09:11,466 INFO L203 MainTranslator]: Completed pre-run [2021-06-06 08:09:11,477 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/safe014_pso.opt.i[949,962] [2021-06-06 08:09:11,513 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 08:09:11,580 INFO L208 MainTranslator]: Completed translation [2021-06-06 08:09:11,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:09:11 WrapperNode [2021-06-06 08:09:11,580 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-06 08:09:11,582 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 08:09:11,582 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 08:09:11,582 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 08:09:11,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:09:11" (1/1) ... [2021-06-06 08:09:11,618 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:09:11" (1/1) ... [2021-06-06 08:09:11,638 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 08:09:11,639 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 08:09:11,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 08:09:11,639 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 08:09:11,645 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:09:11" (1/1) ... [2021-06-06 08:09:11,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:09:11" (1/1) ... [2021-06-06 08:09:11,656 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:09:11" (1/1) ... [2021-06-06 08:09:11,657 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:09:11" (1/1) ... [2021-06-06 08:09:11,665 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:09:11" (1/1) ... [2021-06-06 08:09:11,667 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:09:11" (1/1) ... [2021-06-06 08:09:11,668 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:09:11" (1/1) ... [2021-06-06 08:09:11,670 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 08:09:11,671 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 08:09:11,671 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 08:09:11,671 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 08:09:11,672 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:09:11" (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 [2021-06-06 08:09:11,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-06 08:09:11,753 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-06 08:09:11,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-06 08:09:11,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-06 08:09:11,754 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-06 08:09:11,754 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-06 08:09:11,754 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-06 08:09:11,754 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-06 08:09:11,754 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-06 08:09:11,754 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-06 08:09:11,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-06 08:09:11,755 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-06 08:09:11,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 08:09:11,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 08:09:11,756 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 08:09:12,155 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 08:09:12,156 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-06 08:09:12,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 08:09:12 BoogieIcfgContainer [2021-06-06 08:09:12,159 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 08:09:12,160 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 08:09:12,160 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 08:09:12,163 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 08:09:12,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.06 08:09:10" (1/3) ... [2021-06-06 08:09:12,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@238e78b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 08:09:12, skipping insertion in model container [2021-06-06 08:09:12,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 08:09:11" (2/3) ... [2021-06-06 08:09:12,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@238e78b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 08:09:12, skipping insertion in model container [2021-06-06 08:09:12,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 08:09:12" (3/3) ... [2021-06-06 08:09:12,165 INFO L111 eAbstractionObserver]: Analyzing ICFG safe014_pso.opt.i [2021-06-06 08:09:12,173 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 08:09:12,173 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 08:09:12,174 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 08:09:12,174 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 08:09:12,204 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:09:12,205 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:09:12,205 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:09:12,205 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:09:12,205 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:09:12,205 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:09:12,205 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:09:12,208 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:09:12,208 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:09:12,208 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:09:12,209 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:09:12,209 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:09:12,209 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:09:12,209 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:09:12,210 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:09:12,210 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:09:12,211 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:09:12,211 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:09:12,212 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:09:12,212 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:09:12,216 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:09:12,217 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:09:12,217 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:09:12,217 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:09:12,218 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:09:12,218 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:09:12,218 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:09:12,219 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:09:12,219 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:09:12,219 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:09:12,220 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:09:12,220 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:09:12,220 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:09:12,220 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:09:12,220 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:09:12,221 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:09:12,222 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:09:12,223 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:09:12,223 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:09:12,223 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:09:12,227 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:09:12,228 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:09:12,228 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:09:12,228 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:09:12,230 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:09:12,230 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:09:12,230 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:09:12,230 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 08:09:12,234 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-06 08:09:12,254 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 [2021-06-06 08:09:12,308 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 08:09:12,308 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 08:09:12,308 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 08:09:12,308 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 08:09:12,308 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 08:09:12,309 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 08:09:12,309 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 08:09:12,309 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 08:09:12,359 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 08:09:12,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 08:09:12,364 INFO L82 PathProgramCache]: Analyzing trace with hash 485322609, now seen corresponding path program 1 times [2021-06-06 08:09:12,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 08:09:12,372 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996729515] [2021-06-06 08:09:12,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 08:09:12,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 08:09:12,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 08:09:12,807 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 08:09:12,807 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996729515] [2021-06-06 08:09:12,808 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996729515] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 08:09:12,808 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 08:09:12,808 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-06 08:09:12,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187425592] [2021-06-06 08:09:12,813 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 08:09:12,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 08:09:12,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 08:09:12,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-06 08:09:12,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 08:09:12,827 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 08:09:12,828 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 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) [2021-06-06 08:09:12,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 08:09:13,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 08:09:13,053 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 08:09:13,053 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 08:09:13,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 08:09:13,054 INFO L82 PathProgramCache]: Analyzing trace with hash -1564056718, now seen corresponding path program 1 times [2021-06-06 08:09:13,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 08:09:13,054 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735789218] [2021-06-06 08:09:13,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 08:09:13,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 08:09:13,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 08:09:13,232 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 08:09:13,233 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735789218] [2021-06-06 08:09:13,235 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735789218] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 08:09:13,236 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 08:09:13,236 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-06 08:09:13,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470724387] [2021-06-06 08:09:13,238 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-06 08:09:13,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 08:09:13,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-06 08:09:13,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-06-06 08:09:13,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 08:09:13,240 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 08:09:13,240 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 08:09:13,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 08:09:13,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 08:09:14,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 08:09:14,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 08:09:14,708 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 08:09:14,708 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 08:09:14,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 08:09:14,715 INFO L82 PathProgramCache]: Analyzing trace with hash -1805637580, now seen corresponding path program 1 times [2021-06-06 08:09:14,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 08:09:14,716 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501570660] [2021-06-06 08:09:14,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 08:09:14,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 08:09:14,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 08:09:14,884 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 08:09:14,885 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501570660] [2021-06-06 08:09:14,885 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501570660] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 08:09:14,885 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 08:09:14,885 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-06 08:09:14,886 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19939328] [2021-06-06 08:09:14,886 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 08:09:14,886 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 08:09:14,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 08:09:14,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-06 08:09:14,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 08:09:14,890 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 08:09:14,890 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 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) [2021-06-06 08:09:14,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 08:09:14,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 08:09:14,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 08:09:15,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 08:09:15,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 08:09:15,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 08:09:15,503 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-06 08:09:15,503 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 08:09:15,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 08:09:15,504 INFO L82 PathProgramCache]: Analyzing trace with hash -998423917, now seen corresponding path program 1 times [2021-06-06 08:09:15,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 08:09:15,505 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910909120] [2021-06-06 08:09:15,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 08:09:15,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 08:09:15,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 08:09:15,674 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 08:09:15,674 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910909120] [2021-06-06 08:09:15,675 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910909120] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 08:09:15,675 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 08:09:15,675 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-06 08:09:15,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028638720] [2021-06-06 08:09:15,679 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-06 08:09:15,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 08:09:15,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-06 08:09:15,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-06 08:09:15,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 08:09:15,680 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 08:09:15,680 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 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) [2021-06-06 08:09:15,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 08:09:15,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 08:09:15,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 08:09:15,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 08:09:16,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 08:09:16,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 08:09:16,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 08:09:16,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 08:09:16,404 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-06 08:09:16,404 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 08:09:16,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 08:09:16,405 INFO L82 PathProgramCache]: Analyzing trace with hash -389478645, now seen corresponding path program 2 times [2021-06-06 08:09:16,405 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 08:09:16,405 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614351071] [2021-06-06 08:09:16,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 08:09:16,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 08:09:16,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 08:09:16,552 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 08:09:16,552 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614351071] [2021-06-06 08:09:16,552 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614351071] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 08:09:16,553 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 08:09:16,553 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-06 08:09:16,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869444292] [2021-06-06 08:09:16,554 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-06 08:09:16,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 08:09:16,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-06 08:09:16,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-06 08:09:16,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 08:09:16,555 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 08:09:16,555 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 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) [2021-06-06 08:09:16,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 08:09:16,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 08:09:16,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 08:09:16,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 08:09:16,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 08:09:17,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 08:09:17,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 08:09:17,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 08:09:17,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 08:09:17,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 08:09:17,558 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-06 08:09:17,566 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-06 08:09:17,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.06 08:09:17 BasicIcfg [2021-06-06 08:09:17,567 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-06 08:09:17,568 INFO L168 Benchmark]: Toolchain (without parser) took 6587.81 ms. Allocated memory was 373.3 MB in the beginning and 528.5 MB in the end (delta: 155.2 MB). Free memory was 335.6 MB in the beginning and 368.2 MB in the end (delta: -32.5 MB). Peak memory consumption was 331.7 MB. Max. memory is 16.0 GB. [2021-06-06 08:09:17,569 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 373.3 MB. Free memory was 353.9 MB in the beginning and 353.8 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 08:09:17,569 INFO L168 Benchmark]: CACSL2BoogieTranslator took 599.36 ms. Allocated memory is still 373.3 MB. Free memory was 335.4 MB in the beginning and 335.0 MB in the end (delta: 394.7 kB). Peak memory consumption was 7.2 MB. Max. memory is 16.0 GB. [2021-06-06 08:09:17,569 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.58 ms. Allocated memory is still 373.3 MB. Free memory was 335.0 MB in the beginning and 332.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 08:09:17,570 INFO L168 Benchmark]: Boogie Preprocessor took 31.75 ms. Allocated memory is still 373.3 MB. Free memory was 332.9 MB in the beginning and 331.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 08:09:17,570 INFO L168 Benchmark]: RCFGBuilder took 487.41 ms. Allocated memory is still 373.3 MB. Free memory was 331.9 MB in the beginning and 306.7 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-06-06 08:09:17,570 INFO L168 Benchmark]: TraceAbstraction took 5407.49 ms. Allocated memory was 373.3 MB in the beginning and 528.5 MB in the end (delta: 155.2 MB). Free memory was 305.6 MB in the beginning and 368.2 MB in the end (delta: -62.5 MB). Peak memory consumption was 303.4 MB. Max. memory is 16.0 GB. [2021-06-06 08:09:17,572 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 373.3 MB. Free memory was 353.9 MB in the beginning and 353.8 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 599.36 ms. Allocated memory is still 373.3 MB. Free memory was 335.4 MB in the beginning and 335.0 MB in the end (delta: 394.7 kB). Peak memory consumption was 7.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 56.58 ms. Allocated memory is still 373.3 MB. Free memory was 335.0 MB in the beginning and 332.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 31.75 ms. Allocated memory is still 373.3 MB. Free memory was 332.9 MB in the beginning and 331.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 487.41 ms. Allocated memory is still 373.3 MB. Free memory was 331.9 MB in the beginning and 306.7 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 5407.49 ms. Allocated memory was 373.3 MB in the beginning and 528.5 MB in the end (delta: 155.2 MB). Free memory was 305.6 MB in the beginning and 368.2 MB in the end (delta: -62.5 MB). Peak memory consumption was 303.4 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 128487, positive: 126353, positive conditional: 126353, positive unconditional: 0, negative: 2134, negative conditional: 2134, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 127664, positive: 126353, positive conditional: 126353, positive unconditional: 0, negative: 1311, negative conditional: 1311, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 127664, positive: 125700, positive conditional: 0, positive unconditional: 125700, negative: 1964, negative conditional: 0, negative unconditional: 1964, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 915, positive: 894, positive conditional: 0, positive unconditional: 894, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 915, positive: 890, positive conditional: 0, positive unconditional: 890, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 69, positive: 28, positive conditional: 24, positive unconditional: 4, negative: 41, negative conditional: 20, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 152, positive: 55, positive conditional: 44, positive unconditional: 11, negative: 96, negative conditional: 36, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 127664, positive: 124806, positive conditional: 0, positive unconditional: 124806, negative: 1943, negative conditional: 0, negative unconditional: 1943, unknown: 915, unknown conditional: 0, unknown unconditional: 915] , Statistics on independence cache: Total cache size (in pairs): 959, Positive cache size: 918, Positive conditional cache size: 24, Positive unconditional cache size: 894, Negative cache size: 41, Negative conditional cache size: 20, Negative unconditional cache size: 21, SemanticConditionEliminator.Independence Queries: [ total: 6359, positive: 653, positive conditional: 653, positive unconditional: 0, negative: 5706, negative conditional: 763, negative unconditional: 4943, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6359, positive: 653, positive conditional: 653, positive unconditional: 0, negative: 5706, negative conditional: 763, negative unconditional: 4943, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 69, positive: 28, positive conditional: 24, positive unconditional: 4, negative: 41, negative conditional: 20, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 152, positive: 55, positive conditional: 44, positive unconditional: 11, negative: 96, negative conditional: 36, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6359, positive: 629, positive conditional: 629, positive unconditional: 0, negative: 5686, negative conditional: 743, negative unconditional: 4943, unknown: 44, unknown conditional: 44, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 959, Positive cache size: 918, Positive conditional cache size: 24, Positive unconditional cache size: 894, Negative cache size: 41, Negative conditional cache size: 20, Negative unconditional cache size: 21, Eliminated conditions: 4943, SemanticConditionEliminator.Independence Queries: [ total: 6359, positive: 653, positive conditional: 653, positive unconditional: 0, negative: 5706, negative conditional: 763, negative unconditional: 4943, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6359, positive: 653, positive conditional: 653, positive unconditional: 0, negative: 5706, negative conditional: 763, negative unconditional: 4943, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 69, positive: 28, positive conditional: 24, positive unconditional: 4, negative: 41, negative conditional: 20, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 152, positive: 55, positive conditional: 44, positive unconditional: 11, negative: 96, negative conditional: 36, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6359, positive: 629, positive conditional: 629, positive unconditional: 0, negative: 5686, negative conditional: 743, negative unconditional: 4943, unknown: 44, unknown conditional: 44, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 959, Positive cache size: 918, Positive conditional cache size: 24, Positive unconditional cache size: 894, Negative cache size: 41, Negative conditional cache size: 20, Negative unconditional cache size: 21, Eliminated conditions: 4943, SemanticConditionEliminator.Independence Queries: [ total: 6359, positive: 653, positive conditional: 653, positive unconditional: 0, negative: 5706, negative conditional: 763, negative unconditional: 4943, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6359, positive: 653, positive conditional: 653, positive unconditional: 0, negative: 5706, negative conditional: 763, negative unconditional: 4943, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 69, positive: 28, positive conditional: 24, positive unconditional: 4, negative: 41, negative conditional: 20, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 152, positive: 55, positive conditional: 44, positive unconditional: 11, negative: 96, negative conditional: 36, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6359, positive: 629, positive conditional: 629, positive unconditional: 0, negative: 5686, negative conditional: 743, negative unconditional: 4943, unknown: 44, unknown conditional: 44, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 959, Positive cache size: 918, Positive conditional cache size: 24, Positive unconditional cache size: 894, Negative cache size: 41, Negative conditional cache size: 20, Negative unconditional cache size: 21, Eliminated conditions: 4943, SemanticConditionEliminator.Independence Queries: [ total: 6359, positive: 653, positive conditional: 653, positive unconditional: 0, negative: 5706, negative conditional: 763, negative unconditional: 4943, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6359, positive: 653, positive conditional: 653, positive unconditional: 0, negative: 5706, negative conditional: 763, negative unconditional: 4943, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 69, positive: 28, positive conditional: 24, positive unconditional: 4, negative: 41, negative conditional: 20, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 152, positive: 55, positive conditional: 44, positive unconditional: 11, negative: 96, negative conditional: 36, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6359, positive: 629, positive conditional: 629, positive unconditional: 0, negative: 5686, negative conditional: 743, negative unconditional: 4943, unknown: 44, unknown conditional: 44, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 959, Positive cache size: 918, Positive conditional cache size: 24, Positive unconditional cache size: 894, Negative cache size: 41, Negative conditional cache size: 20, Negative unconditional cache size: 21, Eliminated conditions: 4943, SemanticConditionEliminator.Independence Queries: [ total: 6359, positive: 653, positive conditional: 653, positive unconditional: 0, negative: 5706, negative conditional: 763, negative unconditional: 4943, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6359, positive: 653, positive conditional: 653, positive unconditional: 0, negative: 5706, negative conditional: 763, negative unconditional: 4943, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 69, positive: 28, positive conditional: 24, positive unconditional: 4, negative: 41, negative conditional: 20, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 152, positive: 55, positive conditional: 44, positive unconditional: 11, negative: 96, negative conditional: 36, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6359, positive: 629, positive conditional: 629, positive unconditional: 0, negative: 5686, negative conditional: 743, negative unconditional: 4943, unknown: 44, unknown conditional: 44, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 959, Positive cache size: 918, Positive conditional cache size: 24, Positive unconditional cache size: 894, Negative cache size: 41, Negative conditional cache size: 20, Negative unconditional cache size: 21, Eliminated conditions: 4943 ], Maximal queried relation: 5, Independence queries for same thread: 823 - 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, 107 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5286.4ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.5ms, PartialOrderReductionTime: 4063.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 72, 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: 27.9ms SsaConstructionTime, 210.2ms SatisfiabilityAnalysisTime, 749.1ms InterpolantComputationTime, 314 NumberOfCodeBlocks, 314 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 309 ConstructedInterpolants, 0 QuantifiedInterpolants, 1317 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...