/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-Persistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe005_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 08:04:58,693 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 08:04:58,695 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 08:04:58,726 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 08:04:58,770 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 08:04:58,770 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 08:04:58,771 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 08:04:58,774 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-Persistent-NoLbe.epf [2021-07-14 08:04:58,802 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 08:04:58,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 08:04:58,803 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 08:04:58,803 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 08:04:58,805 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 08:04:58,805 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 08:04:58,805 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 08:04:58,805 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 08:04:58,806 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 08:04:58,806 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 08:04:58,806 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 08:04:58,806 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 08:04:58,806 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 08:04:58,807 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 08:04:58,807 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 08:04:58,807 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 08:04:58,807 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 08:04:58,807 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 08:04:58,807 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 08:04:58,807 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 08:04:58,807 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 08:04:58,807 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 08:04:58,807 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 08:04:58,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 08:04:58,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 08:04:58,808 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 08:04:58,808 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 08:04:58,808 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 08:04:58,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 08:04:58,808 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 08:04:58,808 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 08:04:58,808 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 08:04:58,809 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SETS [2021-07-14 08:04:58,809 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 08:04:59,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 08:04:59,093 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 08:04:59,095 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 08:04:59,095 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-14 08:04:59,096 INFO L275 PluginConnector]: CDTParser initialized [2021-07-14 08:04:59,096 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe005_tso.opt.i [2021-07-14 08:04:59,134 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e27c11df/d4bf580ff5e94e1f83fdbf64a24ff717/FLAGf01196f6c [2021-07-14 08:04:59,619 INFO L306 CDTParser]: Found 1 translation units. [2021-07-14 08:04:59,620 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe005_tso.opt.i [2021-07-14 08:04:59,633 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e27c11df/d4bf580ff5e94e1f83fdbf64a24ff717/FLAGf01196f6c [2021-07-14 08:04:59,947 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e27c11df/d4bf580ff5e94e1f83fdbf64a24ff717 [2021-07-14 08:04:59,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 08:04:59,950 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-14 08:04:59,952 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-14 08:04:59,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-14 08:04:59,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-14 08:04:59,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 08:04:59" (1/1) ... [2021-07-14 08:04:59,957 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16577acb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:04:59, skipping insertion in model container [2021-07-14 08:04:59,957 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 08:04:59" (1/1) ... [2021-07-14 08:04:59,961 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-14 08:04:59,996 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-14 08:05:00,133 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/safe005_tso.opt.i[949,962] [2021-07-14 08:05:00,220 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 08:05:00,225 INFO L203 MainTranslator]: Completed pre-run [2021-07-14 08:05:00,232 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/safe005_tso.opt.i[949,962] [2021-07-14 08:05:00,251 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 08:05:00,272 INFO L208 MainTranslator]: Completed translation [2021-07-14 08:05:00,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:05:00 WrapperNode [2021-07-14 08:05:00,273 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-14 08:05:00,273 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 08:05:00,273 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 08:05:00,274 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 08:05:00,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:05:00" (1/1) ... [2021-07-14 08:05:00,287 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:05:00" (1/1) ... [2021-07-14 08:05:00,302 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 08:05:00,302 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 08:05:00,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 08:05:00,303 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 08:05:00,307 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:05:00" (1/1) ... [2021-07-14 08:05:00,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:05:00" (1/1) ... [2021-07-14 08:05:00,322 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:05:00" (1/1) ... [2021-07-14 08:05:00,322 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:05:00" (1/1) ... [2021-07-14 08:05:00,325 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:05:00" (1/1) ... [2021-07-14 08:05:00,326 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:05:00" (1/1) ... [2021-07-14 08:05:00,327 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:05:00" (1/1) ... [2021-07-14 08:05:00,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 08:05:00,329 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 08:05:00,329 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 08:05:00,329 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 08:05:00,330 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:05:00" (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 [2021-07-14 08:05:00,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-14 08:05:00,411 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-07-14 08:05:00,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-14 08:05:00,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-14 08:05:00,413 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-07-14 08:05:00,413 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-07-14 08:05:00,413 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-07-14 08:05:00,413 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-07-14 08:05:00,413 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-07-14 08:05:00,413 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-07-14 08:05:00,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-14 08:05:00,413 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-07-14 08:05:00,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 08:05:00,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 08:05:00,414 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 08:05:00,747 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 08:05:00,748 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-07-14 08:05:00,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 08:05:00 BoogieIcfgContainer [2021-07-14 08:05:00,749 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 08:05:00,750 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 08:05:00,750 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 08:05:00,752 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 08:05:00,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 08:04:59" (1/3) ... [2021-07-14 08:05:00,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29d378db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 08:05:00, skipping insertion in model container [2021-07-14 08:05:00,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:05:00" (2/3) ... [2021-07-14 08:05:00,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29d378db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 08:05:00, skipping insertion in model container [2021-07-14 08:05:00,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 08:05:00" (3/3) ... [2021-07-14 08:05:00,754 INFO L111 eAbstractionObserver]: Analyzing ICFG safe005_tso.opt.i [2021-07-14 08:05:00,758 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 08:05:00,758 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 08:05:00,759 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 08:05:00,759 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 08:05:00,777 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 08:05:00,777 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 08:05:00,778 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 08:05:00,778 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 08:05:00,778 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 08:05:00,778 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 08:05:00,778 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 08:05:00,778 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 08:05:00,778 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 08:05:00,778 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 08:05:00,779 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 08:05:00,779 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 08:05:00,779 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 08:05:00,779 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 08:05:00,779 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 08:05:00,779 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 08:05:00,779 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 08:05:00,779 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 08:05:00,780 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 08:05:00,780 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 08:05:00,780 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 08:05:00,780 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 08:05:00,780 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 08:05:00,780 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 08:05:00,781 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 08:05:00,781 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 08:05:00,781 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 08:05:00,781 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 08:05:00,781 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 08:05:00,781 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 08:05:00,781 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 08:05:00,781 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 08:05:00,781 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 08:05:00,782 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 08:05:00,782 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 08:05:00,782 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 08:05:00,783 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 08:05:00,783 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 08:05:00,783 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 08:05:00,784 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 08:05:00,787 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 08:05:00,787 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 08:05:00,787 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 08:05:00,787 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 08:05:00,788 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 08:05:00,788 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 08:05:00,789 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 08:05:00,789 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 08:05:00,790 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-14 08:05:00,805 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 [2021-07-14 08:05:00,857 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 08:05:00,857 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 08:05:00,857 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 08:05:00,857 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 08:05:00,857 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 08:05:00,857 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 08:05:00,857 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 08:05:00,857 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 08:05:01,010 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 08:05:01,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 08:05:01,013 INFO L82 PathProgramCache]: Analyzing trace with hash 1244235421, now seen corresponding path program 1 times [2021-07-14 08:05:01,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 08:05:01,019 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217471577] [2021-07-14 08:05:01,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 08:05:01,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 08:05:01,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 08:05:01,206 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 08:05:01,206 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217471577] [2021-07-14 08:05:01,207 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217471577] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 08:05:01,207 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 08:05:01,207 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 08:05:01,207 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330004163] [2021-07-14 08:05:01,220 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-14 08:05:01,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 08:05:01,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-14 08:05:01,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-14 08:05:01,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:05:01,233 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 08:05:01,236 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 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) [2021-07-14 08:05:01,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:05:01,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:05:01,246 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 08:05:01,246 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 08:05:01,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 08:05:01,249 INFO L82 PathProgramCache]: Analyzing trace with hash 1943773822, now seen corresponding path program 1 times [2021-07-14 08:05:01,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 08:05:01,251 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583427949] [2021-07-14 08:05:01,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 08:05:01,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 08:05:01,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 08:05:01,543 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 08:05:01,544 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583427949] [2021-07-14 08:05:01,544 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583427949] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 08:05:01,544 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 08:05:01,544 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-14 08:05:01,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762086289] [2021-07-14 08:05:01,545 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 08:05:01,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 08:05:01,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 08:05:01,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-14 08:05:01,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:05:01,546 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 08:05:01,546 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 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) [2021-07-14 08:05:01,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:05:01,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:05:01,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:05:01,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 08:05:01,745 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 08:05:01,745 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 08:05:01,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 08:05:01,746 INFO L82 PathProgramCache]: Analyzing trace with hash 1726952767, now seen corresponding path program 1 times [2021-07-14 08:05:01,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 08:05:01,746 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799409202] [2021-07-14 08:05:01,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 08:05:01,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 08:05:01,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 08:05:01,831 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 08:05:01,831 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799409202] [2021-07-14 08:05:01,831 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799409202] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 08:05:01,832 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 08:05:01,832 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-14 08:05:01,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489215875] [2021-07-14 08:05:01,832 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 08:05:01,832 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 08:05:01,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 08:05:01,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-07-14 08:05:01,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:05:01,833 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 08:05:01,834 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 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) [2021-07-14 08:05:01,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:05:01,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 08:05:01,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:05:02,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:05:02,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 08:05:02,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 08:05:02,149 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-14 08:05:02,150 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 08:05:02,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 08:05:02,151 INFO L82 PathProgramCache]: Analyzing trace with hash -1723071143, now seen corresponding path program 1 times [2021-07-14 08:05:02,151 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 08:05:02,152 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047074437] [2021-07-14 08:05:02,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 08:05:02,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 08:05:02,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 08:05:02,282 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 08:05:02,282 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047074437] [2021-07-14 08:05:02,282 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047074437] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 08:05:02,282 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 08:05:02,282 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-14 08:05:02,283 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558566580] [2021-07-14 08:05:02,286 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 08:05:02,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 08:05:02,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 08:05:02,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-07-14 08:05:02,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:05:02,287 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 08:05:02,287 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 08:05:02,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:05:02,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 08:05:02,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 08:05:02,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:05:02,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:05:02,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 08:05:02,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 08:05:02,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 08:05:02,524 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-14 08:05:02,524 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 08:05:02,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 08:05:02,525 INFO L82 PathProgramCache]: Analyzing trace with hash -1123920806, now seen corresponding path program 1 times [2021-07-14 08:05:02,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 08:05:02,525 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758662427] [2021-07-14 08:05:02,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 08:05:02,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 08:05:02,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 08:05:02,599 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 08:05:02,599 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758662427] [2021-07-14 08:05:02,599 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758662427] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 08:05:02,599 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 08:05:02,599 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-14 08:05:02,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115422267] [2021-07-14 08:05:02,600 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 08:05:02,600 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 08:05:02,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 08:05:02,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-07-14 08:05:02,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:05:02,600 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 08:05:02,601 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 08:05:02,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:05:02,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 08:05:02,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 08:05:02,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 08:05:02,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:05:02,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:05:02,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 08:05:02,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 08:05:02,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 08:05:02,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 08:05:02,909 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-14 08:05:02,909 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 08:05:02,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 08:05:02,910 INFO L82 PathProgramCache]: Analyzing trace with hash 1593997779, now seen corresponding path program 1 times [2021-07-14 08:05:02,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 08:05:02,910 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917043827] [2021-07-14 08:05:02,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 08:05:02,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 08:05:02,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 08:05:02,964 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 08:05:02,964 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917043827] [2021-07-14 08:05:02,964 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917043827] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 08:05:02,964 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 08:05:02,964 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-14 08:05:02,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023043395] [2021-07-14 08:05:02,965 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 08:05:02,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 08:05:02,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 08:05:02,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-14 08:05:02,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:05:02,965 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 08:05:02,965 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 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) [2021-07-14 08:05:02,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:05:02,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 08:05:02,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 08:05:02,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 08:05:02,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 08:05:02,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:05:03,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:05:03,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 08:05:03,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 08:05:03,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 08:05:03,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 08:05:03,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 08:05:03,030 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-07-14 08:05:03,030 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 08:05:03,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 08:05:03,031 INFO L82 PathProgramCache]: Analyzing trace with hash 1993777945, now seen corresponding path program 1 times [2021-07-14 08:05:03,031 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 08:05:03,031 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390946655] [2021-07-14 08:05:03,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 08:05:03,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 08:05:03,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 08:05:03,083 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 08:05:03,083 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390946655] [2021-07-14 08:05:03,083 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390946655] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 08:05:03,083 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 08:05:03,083 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-14 08:05:03,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566244913] [2021-07-14 08:05:03,084 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 08:05:03,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 08:05:03,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 08:05:03,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-14 08:05:03,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:05:03,084 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 08:05:03,084 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 08:05:03,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:05:03,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 08:05:03,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 08:05:03,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 08:05:03,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 08:05:03,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 08:05:03,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:05:03,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:05:03,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 08:05:03,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 08:05:03,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 08:05:03,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 08:05:03,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 08:05:03,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 08:05:03,739 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-07-14 08:05:03,739 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 08:05:03,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 08:05:03,740 INFO L82 PathProgramCache]: Analyzing trace with hash -1679391578, now seen corresponding path program 1 times [2021-07-14 08:05:03,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 08:05:03,740 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29861567] [2021-07-14 08:05:03,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 08:05:03,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 08:05:03,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 08:05:03,846 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 08:05:03,846 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29861567] [2021-07-14 08:05:03,847 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29861567] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 08:05:03,847 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 08:05:03,847 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-14 08:05:03,847 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029109336] [2021-07-14 08:05:03,847 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 08:05:03,847 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 08:05:03,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 08:05:03,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-07-14 08:05:03,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:05:03,848 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 08:05:03,848 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 08:05:03,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:05:03,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 08:05:03,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 08:05:03,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 08:05:03,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 08:05:03,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 08:05:03,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 08:05:03,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:05:03,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:05:03,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 08:05:03,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 08:05:03,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 08:05:03,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 08:05:03,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 08:05:03,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 08:05:03,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 08:05:03,973 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-07-14 08:05:03,973 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 08:05:03,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 08:05:03,973 INFO L82 PathProgramCache]: Analyzing trace with hash -920172731, now seen corresponding path program 1 times [2021-07-14 08:05:03,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 08:05:03,974 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380107803] [2021-07-14 08:05:03,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 08:05:03,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 08:05:04,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 08:05:04,039 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 08:05:04,039 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380107803] [2021-07-14 08:05:04,040 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380107803] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 08:05:04,040 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 08:05:04,040 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-14 08:05:04,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398437264] [2021-07-14 08:05:04,040 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 08:05:04,040 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 08:05:04,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 08:05:04,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-07-14 08:05:04,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:05:04,041 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 08:05:04,041 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 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) [2021-07-14 08:05:04,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:05:04,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 08:05:04,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 08:05:04,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 08:05:04,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 08:05:04,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 08:05:04,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 08:05:04,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 08:05:04,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:05:04,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 08:05:04,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 08:05:04,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 08:05:04,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 08:05:04,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 08:05:04,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 08:05:04,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 08:05:04,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 08:05:04,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 08:05:04,420 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-07-14 08:05:04,427 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 08:05:04,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 08:05:04 BasicIcfg [2021-07-14 08:05:04,429 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 08:05:04,429 INFO L168 Benchmark]: Toolchain (without parser) took 4479.42 ms. Allocated memory was 179.3 MB in the beginning and 347.1 MB in the end (delta: 167.8 MB). Free memory was 140.7 MB in the beginning and 234.7 MB in the end (delta: -94.0 MB). Peak memory consumption was 184.9 MB. Max. memory is 8.0 GB. [2021-07-14 08:05:04,430 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 179.3 MB. Free memory is still 159.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 08:05:04,430 INFO L168 Benchmark]: CACSL2BoogieTranslator took 320.41 ms. Allocated memory is still 179.3 MB. Free memory was 140.5 MB in the beginning and 151.8 MB in the end (delta: -11.4 MB). Peak memory consumption was 11.3 MB. Max. memory is 8.0 GB. [2021-07-14 08:05:04,430 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.47 ms. Allocated memory is still 179.3 MB. Free memory was 151.8 MB in the beginning and 149.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 08:05:04,430 INFO L168 Benchmark]: Boogie Preprocessor took 26.17 ms. Allocated memory is still 179.3 MB. Free memory was 149.7 MB in the beginning and 148.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 08:05:04,430 INFO L168 Benchmark]: RCFGBuilder took 420.19 ms. Allocated memory is still 179.3 MB. Free memory was 148.7 MB in the beginning and 124.6 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2021-07-14 08:05:04,430 INFO L168 Benchmark]: TraceAbstraction took 3678.44 ms. Allocated memory was 179.3 MB in the beginning and 347.1 MB in the end (delta: 167.8 MB). Free memory was 124.1 MB in the beginning and 234.7 MB in the end (delta: -110.6 MB). Peak memory consumption was 168.3 MB. Max. memory is 8.0 GB. [2021-07-14 08:05:04,431 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 179.3 MB. Free memory is still 159.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 320.41 ms. Allocated memory is still 179.3 MB. Free memory was 140.5 MB in the beginning and 151.8 MB in the end (delta: -11.4 MB). Peak memory consumption was 11.3 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 28.47 ms. Allocated memory is still 179.3 MB. Free memory was 151.8 MB in the beginning and 149.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 26.17 ms. Allocated memory is still 179.3 MB. Free memory was 149.7 MB in the beginning and 148.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 420.19 ms. Allocated memory is still 179.3 MB. Free memory was 148.7 MB in the beginning and 124.6 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3678.44 ms. Allocated memory was 179.3 MB in the beginning and 347.1 MB in the end (delta: 167.8 MB). Free memory was 124.1 MB in the beginning and 234.7 MB in the end (delta: -110.6 MB). Peak memory consumption was 168.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5486, positive: 5438, positive conditional: 0, positive unconditional: 5438, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 5486, positive: 5438, positive conditional: 0, positive unconditional: 5438, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 5486, positive: 5438, positive conditional: 0, positive unconditional: 5438, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1209, positive: 1179, positive conditional: 0, positive unconditional: 1179, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1209, positive: 1173, positive conditional: 0, positive unconditional: 1173, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 36, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 106, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 95, negative conditional: 0, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5486, positive: 4259, positive conditional: 0, positive unconditional: 4259, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 1209, unknown conditional: 0, unknown unconditional: 1209] , Statistics on independence cache: Total cache size (in pairs): 1209, Positive cache size: 1179, Positive conditional cache size: 0, Positive unconditional cache size: 1179, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30, SemanticConditionEliminator.Independence Queries: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 106, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 95, negative conditional: 0, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1209, Positive cache size: 1179, Positive conditional cache size: 0, Positive unconditional cache size: 1179, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 106, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 95, negative conditional: 0, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1209, Positive cache size: 1179, Positive conditional cache size: 0, Positive unconditional cache size: 1179, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 106, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 95, negative conditional: 0, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1209, Positive cache size: 1179, Positive conditional cache size: 0, Positive unconditional cache size: 1179, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 106, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 95, negative conditional: 0, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1209, Positive cache size: 1179, Positive conditional cache size: 0, Positive unconditional cache size: 1179, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 106, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 95, negative conditional: 0, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1209, Positive cache size: 1179, Positive conditional cache size: 0, Positive unconditional cache size: 1179, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 106, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 95, negative conditional: 0, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1209, Positive cache size: 1179, Positive conditional cache size: 0, Positive unconditional cache size: 1179, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 106, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 95, negative conditional: 0, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1209, Positive cache size: 1179, Positive conditional cache size: 0, Positive unconditional cache size: 1179, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 106, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 95, negative conditional: 0, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1209, Positive cache size: 1179, Positive conditional cache size: 0, Positive unconditional cache size: 1179, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 106, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 95, negative conditional: 0, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1209, Positive cache size: 1179, Positive conditional cache size: 0, Positive unconditional cache size: 1179, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30, Eliminated conditions: 0 ], Maximal queried relation: 7, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 270, Number of persistent set computation: 1231, Number of trivial persistent sets: 99, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5486, positive: 5438, positive conditional: 0, positive unconditional: 5438, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 5486, positive: 5438, positive conditional: 0, positive unconditional: 5438, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 5486, positive: 5438, positive conditional: 0, positive unconditional: 5438, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1209, positive: 1179, positive conditional: 0, positive unconditional: 1179, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1209, positive: 1173, positive conditional: 0, positive unconditional: 1173, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 36, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 106, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 95, negative conditional: 0, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5486, positive: 4259, positive conditional: 0, positive unconditional: 4259, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 1209, unknown conditional: 0, unknown unconditional: 1209] , Statistics on independence cache: Total cache size (in pairs): 1209, Positive cache size: 1179, Positive conditional cache size: 0, Positive unconditional cache size: 1179, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30, SemanticConditionEliminator.Independence Queries: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 106, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 95, negative conditional: 0, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1209, Positive cache size: 1179, Positive conditional cache size: 0, Positive unconditional cache size: 1179, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 106, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 95, negative conditional: 0, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1209, Positive cache size: 1179, Positive conditional cache size: 0, Positive unconditional cache size: 1179, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 106, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 95, negative conditional: 0, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1209, Positive cache size: 1179, Positive conditional cache size: 0, Positive unconditional cache size: 1179, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 106, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 95, negative conditional: 0, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1209, Positive cache size: 1179, Positive conditional cache size: 0, Positive unconditional cache size: 1179, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 106, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 95, negative conditional: 0, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1209, Positive cache size: 1179, Positive conditional cache size: 0, Positive unconditional cache size: 1179, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 106, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 95, negative conditional: 0, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1209, Positive cache size: 1179, Positive conditional cache size: 0, Positive unconditional cache size: 1179, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 106, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 95, negative conditional: 0, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1209, Positive cache size: 1179, Positive conditional cache size: 0, Positive unconditional cache size: 1179, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 106, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 95, negative conditional: 0, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1209, Positive cache size: 1179, Positive conditional cache size: 0, Positive unconditional cache size: 1179, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 106, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 95, negative conditional: 0, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 175, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 175, negative conditional: 0, negative unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1209, Positive cache size: 1179, Positive conditional cache size: 0, Positive unconditional cache size: 1179, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30, Eliminated conditions: 0 ], Maximal queried relation: 7, Independence queries for same thread: 0 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 107 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3610.6ms, OverallIterations: 9, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.1ms, PartialOrderReductionTime: 2426.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 113, 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: 22.8ms SsaConstructionTime, 179.5ms SatisfiabilityAnalysisTime, 713.8ms InterpolantComputationTime, 492 NumberOfCodeBlocks, 492 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 483 ConstructedInterpolants, 0 QuantifiedInterpolants, 1627 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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...