/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe023_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-13 13:37:15,201 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-13 13:37:15,203 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-13 13:37:15,227 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-13 13:37:15,265 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-13 13:37:15,266 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-13 13:37:15,266 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-13 13:37:15,272 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf [2021-06-13 13:37:15,293 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-13 13:37:15,293 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-13 13:37:15,294 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-13 13:37:15,294 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-13 13:37:15,294 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-13 13:37:15,294 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-13 13:37:15,295 INFO L138 SettingsManager]: * Use SBE=true [2021-06-13 13:37:15,295 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-13 13:37:15,295 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-13 13:37:15,295 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-13 13:37:15,295 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-13 13:37:15,295 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-13 13:37:15,295 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-13 13:37:15,295 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-13 13:37:15,295 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-13 13:37:15,295 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-13 13:37:15,296 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-13 13:37:15,296 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-13 13:37:15,296 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-13 13:37:15,296 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-13 13:37:15,296 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-13 13:37:15,296 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-13 13:37:15,296 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-13 13:37:15,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-13 13:37:15,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-13 13:37:15,297 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-13 13:37:15,297 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-13 13:37:15,297 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-13 13:37:15,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-13 13:37:15,297 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-13 13:37:15,297 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-13 13:37:15,297 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-13 13:37:15,297 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-13 13:37:15,297 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-13 13:37:15,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-13 13:37:15,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-13 13:37:15,513 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-13 13:37:15,514 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-13 13:37:15,516 INFO L275 PluginConnector]: CDTParser initialized [2021-06-13 13:37:15,516 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe023_tso.oepc.i [2021-06-13 13:37:15,570 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77dd7d411/fa83a8d94e174a1a8048172abf440d11/FLAG643e54cce [2021-06-13 13:37:15,967 INFO L306 CDTParser]: Found 1 translation units. [2021-06-13 13:37:15,967 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe023_tso.oepc.i [2021-06-13 13:37:15,976 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77dd7d411/fa83a8d94e174a1a8048172abf440d11/FLAG643e54cce [2021-06-13 13:37:16,351 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77dd7d411/fa83a8d94e174a1a8048172abf440d11 [2021-06-13 13:37:16,353 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-13 13:37:16,354 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-13 13:37:16,355 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-13 13:37:16,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-13 13:37:16,358 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-13 13:37:16,358 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.06 01:37:16" (1/1) ... [2021-06-13 13:37:16,359 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c5eb475 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 01:37:16, skipping insertion in model container [2021-06-13 13:37:16,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.06 01:37:16" (1/1) ... [2021-06-13 13:37:16,363 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-13 13:37:16,384 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-13 13:37:16,467 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/safe023_tso.oepc.i[950,963] [2021-06-13 13:37:16,594 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-13 13:37:16,599 INFO L203 MainTranslator]: Completed pre-run [2021-06-13 13:37:16,611 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/safe023_tso.oepc.i[950,963] [2021-06-13 13:37:16,633 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-13 13:37:16,668 INFO L208 MainTranslator]: Completed translation [2021-06-13 13:37:16,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 01:37:16 WrapperNode [2021-06-13 13:37:16,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-13 13:37:16,670 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-13 13:37:16,670 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-13 13:37:16,670 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-13 13:37:16,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 01:37:16" (1/1) ... [2021-06-13 13:37:16,682 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 01:37:16" (1/1) ... [2021-06-13 13:37:16,693 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-13 13:37:16,693 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-13 13:37:16,693 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-13 13:37:16,693 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-13 13:37:16,697 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 01:37:16" (1/1) ... [2021-06-13 13:37:16,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 01:37:16" (1/1) ... [2021-06-13 13:37:16,699 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 01:37:16" (1/1) ... [2021-06-13 13:37:16,699 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 01:37:16" (1/1) ... [2021-06-13 13:37:16,702 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 01:37:16" (1/1) ... [2021-06-13 13:37:16,703 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 01:37:16" (1/1) ... [2021-06-13 13:37:16,704 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 01:37:16" (1/1) ... [2021-06-13 13:37:16,706 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-13 13:37:16,706 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-13 13:37:16,706 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-13 13:37:16,706 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-13 13:37:16,707 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 01:37:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-13 13:37:16,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-13 13:37:16,759 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-13 13:37:16,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-13 13:37:16,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-13 13:37:16,760 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-13 13:37:16,760 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-13 13:37:16,760 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-13 13:37:16,760 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-13 13:37:16,760 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-13 13:37:16,760 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-13 13:37:16,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-13 13:37:16,760 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-13 13:37:16,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-13 13:37:16,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-13 13:37:16,761 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-13 13:37:17,035 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-13 13:37:17,035 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-13 13:37:17,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 01:37:17 BoogieIcfgContainer [2021-06-13 13:37:17,036 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-13 13:37:17,038 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-13 13:37:17,038 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-13 13:37:17,039 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-13 13:37:17,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.06 01:37:16" (1/3) ... [2021-06-13 13:37:17,040 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2acc5783 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 01:37:17, skipping insertion in model container [2021-06-13 13:37:17,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 01:37:16" (2/3) ... [2021-06-13 13:37:17,040 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2acc5783 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 01:37:17, skipping insertion in model container [2021-06-13 13:37:17,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 01:37:17" (3/3) ... [2021-06-13 13:37:17,041 INFO L111 eAbstractionObserver]: Analyzing ICFG safe023_tso.oepc.i [2021-06-13 13:37:17,045 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-13 13:37:17,045 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-13 13:37:17,045 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-13 13:37:17,045 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-13 13:37:17,072 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:37:17,072 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:37:17,072 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:37:17,072 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:37:17,073 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:37:17,074 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:37:17,074 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:37:17,074 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:37:17,074 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:37:17,074 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:37:17,075 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:37:17,075 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:37:17,075 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:37:17,076 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:37:17,076 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:37:17,076 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:37:17,077 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:37:17,078 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:37:17,078 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:37:17,078 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:37:17,081 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:37:17,082 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:37:17,082 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:37:17,082 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:37:17,083 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:37:17,083 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:37:17,083 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:37:17,083 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:37:17,083 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:37:17,084 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:37:17,084 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:37:17,084 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:37:17,085 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:37:17,085 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:37:17,085 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:37:17,085 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:37:17,087 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:37:17,087 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:37:17,087 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:37:17,088 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:37:17,095 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:37:17,095 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:37:17,096 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:37:17,096 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:37:17,098 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:37:17,098 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:37:17,098 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:37:17,098 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 13:37:17,105 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-13 13:37:17,119 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-13 13:37:17,158 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-13 13:37:17,158 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-13 13:37:17,158 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-13 13:37:17,158 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-13 13:37:17,158 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-13 13:37:17,158 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-13 13:37:17,159 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-13 13:37:17,159 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-13 13:37:17,184 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 13:37:17,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 13:37:17,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1409758589, now seen corresponding path program 1 times [2021-06-13 13:37:17,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 13:37:17,193 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502680659] [2021-06-13 13:37:17,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 13:37:17,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 13:37:17,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 13:37:17,329 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 13:37:17,329 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502680659] [2021-06-13 13:37:17,330 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502680659] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 13:37:17,330 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 13:37:17,330 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-13 13:37:17,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549918621] [2021-06-13 13:37:17,333 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-13 13:37:17,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 13:37:17,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-13 13:37:17,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-13 13:37:17,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 13:37:17,342 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 13:37:17,343 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 13:37:17,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 13:37:17,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 13:37:17,351 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-13 13:37:17,351 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 13:37:17,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 13:37:17,351 INFO L82 PathProgramCache]: Analyzing trace with hash 840734622, now seen corresponding path program 1 times [2021-06-13 13:37:17,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 13:37:17,352 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86182915] [2021-06-13 13:37:17,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 13:37:17,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 13:37:17,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 13:37:17,502 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 13:37:17,502 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86182915] [2021-06-13 13:37:17,502 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86182915] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 13:37:17,502 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 13:37:17,502 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-13 13:37:17,502 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347334336] [2021-06-13 13:37:17,503 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-13 13:37:17,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 13:37:17,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-13 13:37:17,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-13 13:37:17,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 13:37:17,504 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 13:37:17,504 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 13:37:17,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 13:37:17,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 13:37:17,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 13:37:17,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 13:37:17,624 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-13 13:37:17,624 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 13:37:17,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 13:37:17,624 INFO L82 PathProgramCache]: Analyzing trace with hash -232766497, now seen corresponding path program 1 times [2021-06-13 13:37:17,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 13:37:17,642 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006609875] [2021-06-13 13:37:17,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 13:37:17,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 13:37:17,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 13:37:17,759 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 13:37:17,760 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006609875] [2021-06-13 13:37:17,760 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006609875] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 13:37:17,760 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 13:37:17,760 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-13 13:37:17,760 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573635799] [2021-06-13 13:37:17,760 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-13 13:37:17,760 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 13:37:17,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-13 13:37:17,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-13 13:37:17,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 13:37:17,761 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 13:37:17,761 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 13:37:17,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 13:37:17,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 13:37:17,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 13:37:17,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 13:37:17,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 13:37:17,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-13 13:37:17,878 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-13 13:37:17,878 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 13:37:17,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 13:37:17,879 INFO L82 PathProgramCache]: Analyzing trace with hash 651491548, now seen corresponding path program 1 times [2021-06-13 13:37:17,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 13:37:17,879 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478540166] [2021-06-13 13:37:17,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 13:37:17,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 13:37:17,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 13:37:17,977 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 13:37:17,978 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478540166] [2021-06-13 13:37:17,978 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478540166] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 13:37:17,979 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 13:37:17,979 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-13 13:37:17,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491309854] [2021-06-13 13:37:17,979 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-13 13:37:17,979 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 13:37:17,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-13 13:37:17,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-13 13:37:17,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 13:37:17,980 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 13:37:17,980 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 13:37:17,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 13:37:17,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 13:37:17,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-13 13:37:17,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 13:37:18,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 13:37:18,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 13:37:18,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 13:37:18,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 13:37:18,227 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-13 13:37:18,227 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 13:37:18,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 13:37:18,227 INFO L82 PathProgramCache]: Analyzing trace with hash 1556313486, now seen corresponding path program 2 times [2021-06-13 13:37:18,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 13:37:18,228 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797318148] [2021-06-13 13:37:18,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 13:37:18,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 13:37:18,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 13:37:18,314 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 13:37:18,314 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797318148] [2021-06-13 13:37:18,314 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797318148] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 13:37:18,315 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 13:37:18,315 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-13 13:37:18,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356761185] [2021-06-13 13:37:18,315 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-13 13:37:18,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 13:37:18,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-13 13:37:18,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-06-13 13:37:18,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 13:37:18,316 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 13:37:18,316 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 13:37:18,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 13:37:18,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 13:37:18,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-13 13:37:18,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 13:37:18,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 13:37:19,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 13:37:19,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 13:37:19,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-13 13:37:19,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-13 13:37:19,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-13 13:37:19,276 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-13 13:37:19,315 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-13 13:37:19,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.06 01:37:19 BasicIcfg [2021-06-13 13:37:19,316 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-13 13:37:19,317 INFO L168 Benchmark]: Toolchain (without parser) took 2963.04 ms. Allocated memory was 197.1 MB in the beginning and 264.2 MB in the end (delta: 67.1 MB). Free memory was 159.3 MB in the beginning and 205.3 MB in the end (delta: -46.0 MB). Peak memory consumption was 170.6 MB. Max. memory is 8.0 GB. [2021-06-13 13:37:19,317 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 197.1 MB. Free memory is still 177.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-13 13:37:19,318 INFO L168 Benchmark]: CACSL2BoogieTranslator took 313.61 ms. Allocated memory is still 197.1 MB. Free memory was 159.1 MB in the beginning and 158.8 MB in the end (delta: 331.9 kB). Peak memory consumption was 13.1 MB. Max. memory is 8.0 GB. [2021-06-13 13:37:19,318 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.10 ms. Allocated memory is still 197.1 MB. Free memory was 158.8 MB in the beginning and 156.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-13 13:37:19,318 INFO L168 Benchmark]: Boogie Preprocessor took 12.69 ms. Allocated memory is still 197.1 MB. Free memory was 156.7 MB in the beginning and 155.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-13 13:37:19,318 INFO L168 Benchmark]: RCFGBuilder took 330.47 ms. Allocated memory is still 197.1 MB. Free memory was 155.6 MB in the beginning and 131.5 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2021-06-13 13:37:19,319 INFO L168 Benchmark]: TraceAbstraction took 2278.89 ms. Allocated memory was 197.1 MB in the beginning and 264.2 MB in the end (delta: 67.1 MB). Free memory was 131.5 MB in the beginning and 205.3 MB in the end (delta: -73.7 MB). Peak memory consumption was 142.8 MB. Max. memory is 8.0 GB. [2021-06-13 13:37:19,320 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 197.1 MB. Free memory is still 177.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 313.61 ms. Allocated memory is still 197.1 MB. Free memory was 159.1 MB in the beginning and 158.8 MB in the end (delta: 331.9 kB). Peak memory consumption was 13.1 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 23.10 ms. Allocated memory is still 197.1 MB. Free memory was 158.8 MB in the beginning and 156.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 12.69 ms. Allocated memory is still 197.1 MB. Free memory was 156.7 MB in the beginning and 155.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 330.47 ms. Allocated memory is still 197.1 MB. Free memory was 155.6 MB in the beginning and 131.5 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2278.89 ms. Allocated memory was 197.1 MB in the beginning and 264.2 MB in the end (delta: 67.1 MB). Free memory was 131.5 MB in the beginning and 205.3 MB in the end (delta: -73.7 MB). Peak memory consumption was 142.8 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: 31855, positive: 31245, positive conditional: 31245, positive unconditional: 0, negative: 610, negative conditional: 610, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 31647, positive: 31245, positive conditional: 31245, positive unconditional: 0, negative: 402, negative conditional: 402, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 31647, positive: 30995, positive conditional: 0, positive unconditional: 30995, negative: 652, negative conditional: 0, negative unconditional: 652, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 690, positive: 678, positive conditional: 0, positive unconditional: 678, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 690, positive: 674, positive conditional: 0, positive unconditional: 674, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 31, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 17, negative conditional: 5, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 70, positive: 23, positive conditional: 15, positive unconditional: 8, negative: 47, negative conditional: 5, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 31647, positive: 30317, positive conditional: 0, positive unconditional: 30317, negative: 640, negative conditional: 0, negative unconditional: 640, unknown: 690, unknown conditional: 0, unknown unconditional: 690] , Statistics on independence cache: Total cache size (in pairs): 705, Positive cache size: 688, Positive conditional cache size: 10, Positive unconditional cache size: 678, Negative cache size: 17, Negative conditional cache size: 5, Negative unconditional cache size: 12, SemanticConditionEliminator.Independence Queries: [ total: 2732, positive: 250, positive conditional: 250, positive unconditional: 0, negative: 2482, negative conditional: 300, negative unconditional: 2182, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2732, positive: 250, positive conditional: 250, positive unconditional: 0, negative: 2482, negative conditional: 300, negative unconditional: 2182, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 31, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 17, negative conditional: 5, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 70, positive: 23, positive conditional: 15, positive unconditional: 8, negative: 47, negative conditional: 5, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2732, positive: 240, positive conditional: 240, positive unconditional: 0, negative: 2477, negative conditional: 295, negative unconditional: 2182, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 705, Positive cache size: 688, Positive conditional cache size: 10, Positive unconditional cache size: 678, Negative cache size: 17, Negative conditional cache size: 5, Negative unconditional cache size: 12, Eliminated conditions: 2182, SemanticConditionEliminator.Independence Queries: [ total: 2732, positive: 250, positive conditional: 250, positive unconditional: 0, negative: 2482, negative conditional: 300, negative unconditional: 2182, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2732, positive: 250, positive conditional: 250, positive unconditional: 0, negative: 2482, negative conditional: 300, negative unconditional: 2182, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 31, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 17, negative conditional: 5, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 70, positive: 23, positive conditional: 15, positive unconditional: 8, negative: 47, negative conditional: 5, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2732, positive: 240, positive conditional: 240, positive unconditional: 0, negative: 2477, negative conditional: 295, negative unconditional: 2182, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 705, Positive cache size: 688, Positive conditional cache size: 10, Positive unconditional cache size: 678, Negative cache size: 17, Negative conditional cache size: 5, Negative unconditional cache size: 12, Eliminated conditions: 2182, SemanticConditionEliminator.Independence Queries: [ total: 2732, positive: 250, positive conditional: 250, positive unconditional: 0, negative: 2482, negative conditional: 300, negative unconditional: 2182, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2732, positive: 250, positive conditional: 250, positive unconditional: 0, negative: 2482, negative conditional: 300, negative unconditional: 2182, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 31, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 17, negative conditional: 5, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 70, positive: 23, positive conditional: 15, positive unconditional: 8, negative: 47, negative conditional: 5, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2732, positive: 240, positive conditional: 240, positive unconditional: 0, negative: 2477, negative conditional: 295, negative unconditional: 2182, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 705, Positive cache size: 688, Positive conditional cache size: 10, Positive unconditional cache size: 678, Negative cache size: 17, Negative conditional cache size: 5, Negative unconditional cache size: 12, Eliminated conditions: 2182, SemanticConditionEliminator.Independence Queries: [ total: 2732, positive: 250, positive conditional: 250, positive unconditional: 0, negative: 2482, negative conditional: 300, negative unconditional: 2182, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2732, positive: 250, positive conditional: 250, positive unconditional: 0, negative: 2482, negative conditional: 300, negative unconditional: 2182, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 31, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 17, negative conditional: 5, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 70, positive: 23, positive conditional: 15, positive unconditional: 8, negative: 47, negative conditional: 5, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2732, positive: 240, positive conditional: 240, positive unconditional: 0, negative: 2477, negative conditional: 295, negative unconditional: 2182, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 705, Positive cache size: 688, Positive conditional cache size: 10, Positive unconditional cache size: 678, Negative cache size: 17, Negative conditional cache size: 5, Negative unconditional cache size: 12, Eliminated conditions: 2182, SemanticConditionEliminator.Independence Queries: [ total: 2732, positive: 250, positive conditional: 250, positive unconditional: 0, negative: 2482, negative conditional: 300, negative unconditional: 2182, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2732, positive: 250, positive conditional: 250, positive unconditional: 0, negative: 2482, negative conditional: 300, negative unconditional: 2182, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 31, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 17, negative conditional: 5, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 70, positive: 23, positive conditional: 15, positive unconditional: 8, negative: 47, negative conditional: 5, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2732, positive: 240, positive conditional: 240, positive unconditional: 0, negative: 2477, negative conditional: 295, negative unconditional: 2182, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 705, Positive cache size: 688, Positive conditional cache size: 10, Positive unconditional cache size: 678, Negative cache size: 17, Negative conditional cache size: 5, Negative unconditional cache size: 12, Eliminated conditions: 2182 ], Maximal queried relation: 5, Independence queries for same thread: 208 - 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: 2177.7ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7.7ms, PartialOrderReductionTime: 1466.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 49, 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: 14.9ms SsaConstructionTime, 110.6ms SatisfiabilityAnalysisTime, 397.3ms InterpolantComputationTime, 316 NumberOfCodeBlocks, 316 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 311 ConstructedInterpolants, 0 QuantifiedInterpolants, 993 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...