/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe021_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9b7772ad7705253c1305067fc38dc9bc7271fbe3-9b7772a [2021-04-15 06:59:27,417 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-15 06:59:27,419 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-15 06:59:27,438 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-04-15 06:59:27,460 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-15 06:59:27,460 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-15 06:59:27,461 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-15 06:59:27,461 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 [2021-04-15 06:59:27,476 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-15 06:59:27,476 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-15 06:59:27,477 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-04-15 06:59:27,477 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-04-15 06:59:27,478 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-15 06:59:27,478 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-15 06:59:27,478 INFO L138 SettingsManager]: * Use SBE=true [2021-04-15 06:59:27,478 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-15 06:59:27,478 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-15 06:59:27,478 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-15 06:59:27,478 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-15 06:59:27,478 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-15 06:59:27,479 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-15 06:59:27,479 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-15 06:59:27,479 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-15 06:59:27,479 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-15 06:59:27,479 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-15 06:59:27,479 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-15 06:59:27,479 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-15 06:59:27,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-15 06:59:27,479 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-15 06:59:27,480 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-15 06:59:27,480 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-15 06:59:27,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-15 06:59:27,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-15 06:59:27,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-15 06:59:27,480 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-15 06:59:27,480 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-15 06:59:27,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-15 06:59:27,480 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-04-15 06:59:27,481 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-04-15 06:59:27,481 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-04-15 06:59:27,481 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-04-15 06:59:27,481 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-15 06:59:27,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-15 06:59:27,716 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-15 06:59:27,717 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-15 06:59:27,718 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-15 06:59:27,718 INFO L275 PluginConnector]: CDTParser initialized [2021-04-15 06:59:27,719 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe021_tso.opt.i [2021-04-15 06:59:27,758 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5f2c05df/25264a1c12984c8285c07b6dbc287317/FLAG0153cc786 [2021-04-15 06:59:28,161 INFO L306 CDTParser]: Found 1 translation units. [2021-04-15 06:59:28,161 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe021_tso.opt.i [2021-04-15 06:59:28,170 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5f2c05df/25264a1c12984c8285c07b6dbc287317/FLAG0153cc786 [2021-04-15 06:59:28,498 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5f2c05df/25264a1c12984c8285c07b6dbc287317 [2021-04-15 06:59:28,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-15 06:59:28,500 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-15 06:59:28,501 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-15 06:59:28,501 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-15 06:59:28,505 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-15 06:59:28,505 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.04 06:59:28" (1/1) ... [2021-04-15 06:59:28,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b067d90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:59:28, skipping insertion in model container [2021-04-15 06:59:28,506 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.04 06:59:28" (1/1) ... [2021-04-15 06:59:28,512 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-15 06:59:28,539 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-15 06:59:28,626 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe021_tso.opt.i[949,962] [2021-04-15 06:59:28,782 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-15 06:59:28,787 INFO L203 MainTranslator]: Completed pre-run [2021-04-15 06:59:28,794 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe021_tso.opt.i[949,962] [2021-04-15 06:59:28,819 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-15 06:59:28,874 INFO L208 MainTranslator]: Completed translation [2021-04-15 06:59:28,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:59:28 WrapperNode [2021-04-15 06:59:28,875 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-15 06:59:28,876 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-15 06:59:28,876 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-15 06:59:28,876 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-15 06:59:28,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:59:28" (1/1) ... [2021-04-15 06:59:28,904 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:59:28" (1/1) ... [2021-04-15 06:59:28,916 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-15 06:59:28,917 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-15 06:59:28,917 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-15 06:59:28,917 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-15 06:59:28,922 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:59:28" (1/1) ... [2021-04-15 06:59:28,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:59:28" (1/1) ... [2021-04-15 06:59:28,924 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:59:28" (1/1) ... [2021-04-15 06:59:28,924 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:59:28" (1/1) ... [2021-04-15 06:59:28,927 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:59:28" (1/1) ... [2021-04-15 06:59:28,928 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:59:28" (1/1) ... [2021-04-15 06:59:28,929 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:59:28" (1/1) ... [2021-04-15 06:59:28,930 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-15 06:59:28,931 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-15 06:59:28,931 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-15 06:59:28,931 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-15 06:59:28,932 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:59:28" (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 [2021-04-15 06:59:29,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-15 06:59:29,005 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-15 06:59:29,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-15 06:59:29,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-15 06:59:29,007 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-15 06:59:29,007 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-15 06:59:29,007 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-15 06:59:29,007 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-15 06:59:29,008 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-15 06:59:29,008 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-15 06:59:29,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-15 06:59:29,008 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-15 06:59:29,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-15 06:59:29,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-15 06:59:29,009 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-15 06:59:29,316 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-15 06:59:29,316 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-04-15 06:59:29,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 06:59:29 BoogieIcfgContainer [2021-04-15 06:59:29,317 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-15 06:59:29,318 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-15 06:59:29,318 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-15 06:59:29,320 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-15 06:59:29,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.04 06:59:28" (1/3) ... [2021-04-15 06:59:29,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f7d4d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 06:59:29, skipping insertion in model container [2021-04-15 06:59:29,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 06:59:28" (2/3) ... [2021-04-15 06:59:29,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f7d4d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 06:59:29, skipping insertion in model container [2021-04-15 06:59:29,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 06:59:29" (3/3) ... [2021-04-15 06:59:29,322 INFO L111 eAbstractionObserver]: Analyzing ICFG safe021_tso.opt.i [2021-04-15 06:59:29,325 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-04-15 06:59:29,326 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-15 06:59:29,328 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-15 06:59:29,329 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-15 06:59:29,351 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:59:29,351 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:59:29,351 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:59:29,352 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:59:29,352 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:59:29,352 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:59:29,352 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:59:29,352 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:59:29,352 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:59:29,352 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:59:29,352 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:59:29,352 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:59:29,353 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:59:29,353 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:59:29,353 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:59:29,353 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:59:29,353 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:59:29,353 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:59:29,353 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:59:29,354 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:59:29,354 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:59:29,355 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:59:29,355 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:59:29,355 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:59:29,356 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:59:29,356 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:59:29,356 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:59:29,356 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:59:29,356 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:59:29,357 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:59:29,357 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:59:29,357 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:59:29,357 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:59:29,358 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:59:29,358 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:59:29,358 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:59:29,360 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:59:29,360 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:59:29,360 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:59:29,360 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:59:29,364 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:59:29,364 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:59:29,364 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:59:29,364 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:59:29,368 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:59:29,368 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:59:29,369 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:59:29,369 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 06:59:29,370 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-15 06:59:29,381 INFO L253 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 [2021-04-15 06:59:29,416 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-15 06:59:29,416 INFO L377 AbstractCegarLoop]: Hoare is true [2021-04-15 06:59:29,416 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-15 06:59:29,416 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-15 06:59:29,417 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-15 06:59:29,417 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-15 06:59:29,417 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-15 06:59:29,417 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-15 06:59:29,441 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-15 06:59:29,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 06:59:29,444 INFO L82 PathProgramCache]: Analyzing trace with hash 1611161303, now seen corresponding path program 1 times [2021-04-15 06:59:29,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 06:59:29,449 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022851148] [2021-04-15 06:59:29,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 06:59:29,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 06:59:29,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 06:59:29,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022851148] [2021-04-15 06:59:29,593 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 06:59:29,593 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-15 06:59:29,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737758575] [2021-04-15 06:59:29,596 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-04-15 06:59:29,596 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 06:59:29,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-04-15 06:59:29,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-04-15 06:59:29,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:59:29,605 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 06:59:29,607 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 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) [2021-04-15 06:59:29,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:59:29,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:59:29,615 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-15 06:59:29,615 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-15 06:59:29,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 06:59:29,615 INFO L82 PathProgramCache]: Analyzing trace with hash -360840321, now seen corresponding path program 1 times [2021-04-15 06:59:29,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 06:59:29,620 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469382667] [2021-04-15 06:59:29,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 06:59:29,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 06:59:29,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 06:59:29,831 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469382667] [2021-04-15 06:59:29,831 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 06:59:29,831 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-15 06:59:29,831 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272220984] [2021-04-15 06:59:29,832 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-15 06:59:29,832 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 06:59:29,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-15 06:59:29,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-04-15 06:59:29,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:59:29,833 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 06:59:29,833 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 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) [2021-04-15 06:59:29,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:59:29,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:59:30,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:59:30,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-15 06:59:30,039 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-15 06:59:30,039 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-15 06:59:30,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 06:59:30,040 INFO L82 PathProgramCache]: Analyzing trace with hash -721058304, now seen corresponding path program 1 times [2021-04-15 06:59:30,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 06:59:30,040 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71098979] [2021-04-15 06:59:30,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 06:59:30,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 06:59:30,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 06:59:30,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71098979] [2021-04-15 06:59:30,123 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 06:59:30,123 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-15 06:59:30,123 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008364975] [2021-04-15 06:59:30,123 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-15 06:59:30,124 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 06:59:30,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-15 06:59:30,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-04-15 06:59:30,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:59:30,124 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 06:59:30,124 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 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) [2021-04-15 06:59:30,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:59:30,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-04-15 06:59:30,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:59:30,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:59:30,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-15 06:59:30,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-04-15 06:59:30,236 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-15 06:59:30,236 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-15 06:59:30,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 06:59:30,237 INFO L82 PathProgramCache]: Analyzing trace with hash 1921163069, now seen corresponding path program 1 times [2021-04-15 06:59:30,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 06:59:30,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327620576] [2021-04-15 06:59:30,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 06:59:30,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 06:59:30,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 06:59:30,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327620576] [2021-04-15 06:59:30,350 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 06:59:30,350 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-15 06:59:30,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217256631] [2021-04-15 06:59:30,351 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-15 06:59:30,351 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 06:59:30,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-15 06:59:30,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-04-15 06:59:30,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:59:30,354 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 06:59:30,355 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 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) [2021-04-15 06:59:30,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:59:30,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-04-15 06:59:30,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-04-15 06:59:30,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:59:30,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:59:30,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-15 06:59:30,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-04-15 06:59:30,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-15 06:59:30,796 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-15 06:59:30,796 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-15 06:59:30,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 06:59:30,796 INFO L82 PathProgramCache]: Analyzing trace with hash -1579885125, now seen corresponding path program 2 times [2021-04-15 06:59:30,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 06:59:30,797 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721863681] [2021-04-15 06:59:30,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 06:59:30,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 06:59:30,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 06:59:30,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721863681] [2021-04-15 06:59:30,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 06:59:30,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-15 06:59:30,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756430848] [2021-04-15 06:59:30,892 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-15 06:59:30,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 06:59:30,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-15 06:59:30,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-04-15 06:59:30,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:59:30,896 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 06:59:30,896 INFO L481 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) [2021-04-15 06:59:30,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:59:30,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-04-15 06:59:30,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-04-15 06:59:30,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-04-15 06:59:30,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:59:31,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:59:31,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-15 06:59:31,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-04-15 06:59:31,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-15 06:59:31,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 06:59:31,166 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-15 06:59:31,166 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-15 06:59:31,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 06:59:31,167 INFO L82 PathProgramCache]: Analyzing trace with hash -152511171, now seen corresponding path program 3 times [2021-04-15 06:59:31,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 06:59:31,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26158140] [2021-04-15 06:59:31,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 06:59:31,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 06:59:31,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 06:59:31,246 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26158140] [2021-04-15 06:59:31,246 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 06:59:31,247 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-15 06:59:31,247 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927513114] [2021-04-15 06:59:31,247 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-15 06:59:31,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 06:59:31,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-15 06:59:31,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-04-15 06:59:31,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:59:31,248 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 06:59:31,248 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 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) [2021-04-15 06:59:31,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:59:31,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-04-15 06:59:31,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-04-15 06:59:31,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-04-15 06:59:31,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-04-15 06:59:31,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:59:31,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 06:59:31,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-15 06:59:31,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-04-15 06:59:31,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-15 06:59:31,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 06:59:31,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-15 06:59:31,727 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-15 06:59:31,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.04 06:59:31 BasicIcfg [2021-04-15 06:59:31,742 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-15 06:59:31,745 INFO L168 Benchmark]: Toolchain (without parser) took 3242.68 ms. Allocated memory was 255.9 MB in the beginning and 425.7 MB in the end (delta: 169.9 MB). Free memory was 237.4 MB in the beginning and 323.3 MB in the end (delta: -85.9 MB). Peak memory consumption was 267.0 MB. Max. memory is 16.0 GB. [2021-04-15 06:59:31,745 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 255.9 MB. Free memory is still 238.2 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-15 06:59:31,745 INFO L168 Benchmark]: CACSL2BoogieTranslator took 374.50 ms. Allocated memory was 255.9 MB in the beginning and 354.4 MB in the end (delta: 98.6 MB). Free memory was 237.4 MB in the beginning and 318.1 MB in the end (delta: -80.7 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. [2021-04-15 06:59:31,746 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.56 ms. Allocated memory is still 354.4 MB. Free memory was 318.1 MB in the beginning and 316.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-15 06:59:31,746 INFO L168 Benchmark]: Boogie Preprocessor took 13.70 ms. Allocated memory is still 354.4 MB. Free memory was 316.0 MB in the beginning and 314.8 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-15 06:59:31,751 INFO L168 Benchmark]: RCFGBuilder took 386.30 ms. Allocated memory is still 354.4 MB. Free memory was 314.8 MB in the beginning and 326.6 MB in the end (delta: -11.8 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.0 GB. [2021-04-15 06:59:31,752 INFO L168 Benchmark]: TraceAbstraction took 2424.23 ms. Allocated memory was 354.4 MB in the beginning and 425.7 MB in the end (delta: 71.3 MB). Free memory was 326.6 MB in the beginning and 323.3 MB in the end (delta: 3.3 MB). Peak memory consumption was 257.8 MB. Max. memory is 16.0 GB. [2021-04-15 06:59:31,753 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 255.9 MB. Free memory is still 238.2 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 374.50 ms. Allocated memory was 255.9 MB in the beginning and 354.4 MB in the end (delta: 98.6 MB). Free memory was 237.4 MB in the beginning and 318.1 MB in the end (delta: -80.7 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 40.56 ms. Allocated memory is still 354.4 MB. Free memory was 318.1 MB in the beginning and 316.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 13.70 ms. Allocated memory is still 354.4 MB. Free memory was 316.0 MB in the beginning and 314.8 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 386.30 ms. Allocated memory is still 354.4 MB. Free memory was 314.8 MB in the beginning and 326.6 MB in the end (delta: -11.8 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2424.23 ms. Allocated memory was 354.4 MB in the beginning and 425.7 MB in the end (delta: 71.3 MB). Free memory was 326.6 MB in the beginning and 323.3 MB in the end (delta: 3.3 MB). Peak memory consumption was 257.8 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 50251, positive: 49413, positive conditional: 49413, positive unconditional: 0, negative: 838, negative conditional: 838, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 49873, positive: 49413, positive conditional: 49413, positive unconditional: 0, negative: 460, negative conditional: 460, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 49873, positive: 49087, positive conditional: 0, positive unconditional: 49087, negative: 786, negative conditional: 0, negative unconditional: 786, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 592, positive: 581, positive conditional: 0, positive unconditional: 581, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 592, positive: 577, positive conditional: 0, positive unconditional: 577, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 14, negative conditional: 3, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 25, positive conditional: 16, positive unconditional: 9, negative: 44, negative conditional: 4, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 49873, positive: 48506, positive conditional: 0, positive unconditional: 48506, negative: 775, negative conditional: 0, negative unconditional: 775, unknown: 592, unknown conditional: 0, unknown unconditional: 592] , Statistics on independence cache: Total cache size (in pairs): 605, Positive cache size: 591, Positive conditional cache size: 10, Positive unconditional cache size: 581, Negative cache size: 14, Negative conditional cache size: 3, Negative unconditional cache size: 11, SemanticConditionEliminator.Independence Queries: [ total: 3441, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 3115, negative conditional: 184, negative unconditional: 2931, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3441, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 3115, negative conditional: 184, negative unconditional: 2931, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 14, negative conditional: 3, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 25, positive conditional: 16, positive unconditional: 9, negative: 44, negative conditional: 4, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3441, positive: 316, positive conditional: 316, positive unconditional: 0, negative: 3112, negative conditional: 181, negative unconditional: 2931, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 605, Positive cache size: 591, Positive conditional cache size: 10, Positive unconditional cache size: 581, Negative cache size: 14, Negative conditional cache size: 3, Negative unconditional cache size: 11, Eliminated conditions: 2931, SemanticConditionEliminator.Independence Queries: [ total: 3441, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 3115, negative conditional: 184, negative unconditional: 2931, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3441, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 3115, negative conditional: 184, negative unconditional: 2931, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 14, negative conditional: 3, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 25, positive conditional: 16, positive unconditional: 9, negative: 44, negative conditional: 4, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3441, positive: 316, positive conditional: 316, positive unconditional: 0, negative: 3112, negative conditional: 181, negative unconditional: 2931, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 605, Positive cache size: 591, Positive conditional cache size: 10, Positive unconditional cache size: 581, Negative cache size: 14, Negative conditional cache size: 3, Negative unconditional cache size: 11, Eliminated conditions: 2931, SemanticConditionEliminator.Independence Queries: [ total: 3441, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 3115, negative conditional: 184, negative unconditional: 2931, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3441, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 3115, negative conditional: 184, negative unconditional: 2931, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 14, negative conditional: 3, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 25, positive conditional: 16, positive unconditional: 9, negative: 44, negative conditional: 4, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3441, positive: 316, positive conditional: 316, positive unconditional: 0, negative: 3112, negative conditional: 181, negative unconditional: 2931, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 605, Positive cache size: 591, Positive conditional cache size: 10, Positive unconditional cache size: 581, Negative cache size: 14, Negative conditional cache size: 3, Negative unconditional cache size: 11, Eliminated conditions: 2931, SemanticConditionEliminator.Independence Queries: [ total: 3441, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 3115, negative conditional: 184, negative unconditional: 2931, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3441, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 3115, negative conditional: 184, negative unconditional: 2931, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 14, negative conditional: 3, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 25, positive conditional: 16, positive unconditional: 9, negative: 44, negative conditional: 4, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3441, positive: 316, positive conditional: 316, positive unconditional: 0, negative: 3112, negative conditional: 181, negative unconditional: 2931, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 605, Positive cache size: 591, Positive conditional cache size: 10, Positive unconditional cache size: 581, Negative cache size: 14, Negative conditional cache size: 3, Negative unconditional cache size: 11, Eliminated conditions: 2931, SemanticConditionEliminator.Independence Queries: [ total: 3441, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 3115, negative conditional: 184, negative unconditional: 2931, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3441, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 3115, negative conditional: 184, negative unconditional: 2931, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 14, negative conditional: 3, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 25, positive conditional: 16, positive unconditional: 9, negative: 44, negative conditional: 4, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3441, positive: 316, positive conditional: 316, positive unconditional: 0, negative: 3112, negative conditional: 181, negative unconditional: 2931, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 605, Positive cache size: 591, Positive conditional cache size: 10, Positive unconditional cache size: 581, Negative cache size: 14, Negative conditional cache size: 3, Negative unconditional cache size: 11, Eliminated conditions: 2931, SemanticConditionEliminator.Independence Queries: [ total: 3441, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 3115, negative conditional: 184, negative unconditional: 2931, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3441, positive: 326, positive conditional: 326, positive unconditional: 0, negative: 3115, negative conditional: 184, negative unconditional: 2931, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 14, negative conditional: 3, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 25, positive conditional: 16, positive unconditional: 9, negative: 44, negative conditional: 4, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3441, positive: 316, positive conditional: 316, positive unconditional: 0, negative: 3112, negative conditional: 181, negative unconditional: 2931, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 605, Positive cache size: 591, Positive conditional cache size: 10, Positive unconditional cache size: 581, Negative cache size: 14, Negative conditional cache size: 3, Negative unconditional cache size: 11, Eliminated conditions: 2931 ], Maximal queried relation: 6, Independence queries for same thread: 378 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2345.3ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8.2ms, PartialOrderReductionTime: 1529.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 47, 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: 19.6ms SsaConstructionTime, 122.6ms SatisfiabilityAnalysisTime, 511.4ms InterpolantComputationTime, 327 NumberOfCodeBlocks, 327 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 321 ConstructedInterpolants, 0 QuantifiedInterpolants, 769 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...