/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/thin002_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-07 01:23:46,884 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-07 01:23:46,885 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-07 01:23:46,919 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-07 01:23:46,962 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-07 01:23:46,963 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-07 01:23:46,963 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-07 01:23:46,964 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Random7777.epf [2021-06-07 01:23:47,001 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-07 01:23:47,001 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-07 01:23:47,002 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-07 01:23:47,002 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-07 01:23:47,003 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-07 01:23:47,004 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-07 01:23:47,004 INFO L138 SettingsManager]: * Use SBE=true [2021-06-07 01:23:47,004 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-07 01:23:47,004 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-07 01:23:47,004 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-07 01:23:47,005 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-07 01:23:47,005 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-07 01:23:47,005 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-07 01:23:47,005 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-07 01:23:47,005 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-07 01:23:47,005 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-07 01:23:47,005 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-07 01:23:47,006 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-07 01:23:47,006 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-07 01:23:47,006 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-07 01:23:47,006 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-07 01:23:47,006 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-07 01:23:47,006 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-07 01:23:47,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 01:23:47,006 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-07 01:23:47,006 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-07 01:23:47,007 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-07 01:23:47,007 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-07 01:23:47,007 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-07 01:23:47,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-07 01:23:47,007 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-07 01:23:47,007 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-07 01:23:47,007 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-07 01:23:47,007 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-07 01:23:47,007 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-07 01:23:47,008 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-07 01:23:47,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-07 01:23:47,281 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-07 01:23:47,283 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-07 01:23:47,284 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-07 01:23:47,284 INFO L275 PluginConnector]: CDTParser initialized [2021-06-07 01:23:47,285 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin002_tso.opt.i [2021-06-07 01:23:47,340 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cc0482cc/427244e018b04aaba5925c0b4379bc4a/FLAG440b3e6d1 [2021-06-07 01:23:47,708 INFO L306 CDTParser]: Found 1 translation units. [2021-06-07 01:23:47,708 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_tso.opt.i [2021-06-07 01:23:47,718 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cc0482cc/427244e018b04aaba5925c0b4379bc4a/FLAG440b3e6d1 [2021-06-07 01:23:48,106 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cc0482cc/427244e018b04aaba5925c0b4379bc4a [2021-06-07 01:23:48,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-07 01:23:48,109 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-07 01:23:48,110 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-07 01:23:48,110 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-07 01:23:48,113 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-07 01:23:48,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.06 01:23:48" (1/1) ... [2021-06-07 01:23:48,115 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@633f4e28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:23:48, skipping insertion in model container [2021-06-07 01:23:48,115 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.06 01:23:48" (1/1) ... [2021-06-07 01:23:48,120 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-07 01:23:48,166 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-07 01:23:48,279 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/thin002_tso.opt.i[949,962] [2021-06-07 01:23:48,444 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-07 01:23:48,451 INFO L203 MainTranslator]: Completed pre-run [2021-06-07 01:23:48,460 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/thin002_tso.opt.i[949,962] [2021-06-07 01:23:48,492 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-07 01:23:48,543 INFO L208 MainTranslator]: Completed translation [2021-06-07 01:23:48,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:23:48 WrapperNode [2021-06-07 01:23:48,544 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-07 01:23:48,544 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-07 01:23:48,544 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-07 01:23:48,544 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-07 01:23:48,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:23:48" (1/1) ... [2021-06-07 01:23:48,573 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:23:48" (1/1) ... [2021-06-07 01:23:48,591 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-07 01:23:48,592 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-07 01:23:48,592 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-07 01:23:48,592 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-07 01:23:48,597 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:23:48" (1/1) ... [2021-06-07 01:23:48,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:23:48" (1/1) ... [2021-06-07 01:23:48,611 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:23:48" (1/1) ... [2021-06-07 01:23:48,611 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:23:48" (1/1) ... [2021-06-07 01:23:48,615 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:23:48" (1/1) ... [2021-06-07 01:23:48,616 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:23:48" (1/1) ... [2021-06-07 01:23:48,617 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:23:48" (1/1) ... [2021-06-07 01:23:48,619 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-07 01:23:48,619 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-07 01:23:48,619 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-07 01:23:48,619 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-07 01:23:48,620 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:23:48" (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 [2021-06-07 01:23:48,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-07 01:23:48,694 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-07 01:23:48,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-07 01:23:48,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-07 01:23:48,694 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-07 01:23:48,694 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-07 01:23:48,694 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-07 01:23:48,695 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-07 01:23:48,695 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-07 01:23:48,695 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-07 01:23:48,695 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-06-07 01:23:48,695 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-06-07 01:23:48,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-07 01:23:48,695 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-07 01:23:48,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-07 01:23:48,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-07 01:23:48,696 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-07 01:23:48,990 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-07 01:23:48,990 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-07 01:23:48,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 01:23:48 BoogieIcfgContainer [2021-06-07 01:23:48,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-07 01:23:48,992 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-07 01:23:48,992 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-07 01:23:48,994 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-07 01:23:48,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.06 01:23:48" (1/3) ... [2021-06-07 01:23:48,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7de8e006 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 01:23:48, skipping insertion in model container [2021-06-07 01:23:48,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:23:48" (2/3) ... [2021-06-07 01:23:48,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7de8e006 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 01:23:48, skipping insertion in model container [2021-06-07 01:23:48,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 01:23:48" (3/3) ... [2021-06-07 01:23:48,996 INFO L111 eAbstractionObserver]: Analyzing ICFG thin002_tso.opt.i [2021-06-07 01:23:49,000 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-07 01:23:49,000 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-07 01:23:49,000 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-07 01:23:49,002 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-07 01:23:49,033 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,033 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,034 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,034 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,034 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,034 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,034 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,034 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,034 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,035 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,035 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,035 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,035 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,035 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,035 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,035 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,035 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,036 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,036 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,036 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,036 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,036 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,036 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,036 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,036 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,037 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,037 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,037 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,037 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,037 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,037 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,037 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,037 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,038 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,038 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,038 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,038 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,038 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,038 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,038 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,038 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,038 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,039 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,039 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,039 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,039 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,039 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,039 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,041 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,041 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,041 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,041 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,044 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,044 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,044 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,045 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,046 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,046 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,046 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,046 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,047 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,047 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,047 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,048 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:49,049 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-07 01:23:49,063 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 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 [2021-06-07 01:23:49,142 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-07 01:23:49,142 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-07 01:23:49,142 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-07 01:23:49,142 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-07 01:23:49,143 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-07 01:23:49,143 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-07 01:23:49,143 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-07 01:23:49,143 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-07 01:23:49,248 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 01:23:49,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 01:23:49,252 INFO L82 PathProgramCache]: Analyzing trace with hash 395255136, now seen corresponding path program 1 times [2021-06-07 01:23:49,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 01:23:49,258 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037978716] [2021-06-07 01:23:49,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 01:23:49,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 01:23:49,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 01:23:49,644 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 01:23:49,644 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037978716] [2021-06-07 01:23:49,645 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037978716] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 01:23:49,645 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 01:23:49,645 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-07 01:23:49,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218987626] [2021-06-07 01:23:49,648 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-07 01:23:49,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 01:23:49,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-07 01:23:49,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-06-07 01:23:49,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:23:49,659 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 01:23:49,660 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 8 states have internal predecessors, (83), 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) [2021-06-07 01:23:49,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:23:53,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 01:23:53,456 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-07 01:23:53,457 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 01:23:53,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 01:23:53,460 INFO L82 PathProgramCache]: Analyzing trace with hash 809339896, now seen corresponding path program 2 times [2021-06-07 01:23:53,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 01:23:53,460 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986330675] [2021-06-07 01:23:53,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 01:23:53,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 01:23:53,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 01:23:53,586 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 01:23:53,586 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986330675] [2021-06-07 01:23:53,586 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986330675] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 01:23:53,586 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 01:23:53,586 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-07 01:23:53,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477843091] [2021-06-07 01:23:53,588 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-07 01:23:53,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 01:23:53,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-07 01:23:53,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-06-07 01:23:53,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:23:53,590 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 01:23:53,590 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 8 states have internal predecessors, (83), 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) [2021-06-07 01:23:53,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 01:23:53,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:23:56,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 01:23:56,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 01:23:56,701 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-07 01:23:56,701 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 01:23:56,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 01:23:56,702 INFO L82 PathProgramCache]: Analyzing trace with hash 1581443668, now seen corresponding path program 3 times [2021-06-07 01:23:56,702 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 01:23:56,702 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162667573] [2021-06-07 01:23:56,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 01:23:56,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 01:23:56,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 01:23:56,781 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 01:23:56,782 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162667573] [2021-06-07 01:23:56,782 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162667573] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 01:23:56,782 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 01:23:56,782 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-07 01:23:56,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436972876] [2021-06-07 01:23:56,782 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-07 01:23:56,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 01:23:56,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-07 01:23:56,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-07 01:23:56,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:23:56,783 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 01:23:56,783 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 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) [2021-06-07 01:23:56,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 01:23:56,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 01:23:56,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:24:00,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 01:24:00,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 01:24:00,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 01:24:00,894 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-07 01:24:00,894 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 01:24:00,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 01:24:00,900 INFO L82 PathProgramCache]: Analyzing trace with hash 413805724, now seen corresponding path program 4 times [2021-06-07 01:24:00,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 01:24:00,900 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601878734] [2021-06-07 01:24:00,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 01:24:00,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 01:24:01,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 01:24:01,061 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 01:24:01,061 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601878734] [2021-06-07 01:24:01,061 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601878734] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 01:24:01,061 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 01:24:01,061 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-07 01:24:01,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765851930] [2021-06-07 01:24:01,065 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-07 01:24:01,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 01:24:01,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-07 01:24:01,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-07 01:24:01,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:24:01,066 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 01:24:01,066 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 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) [2021-06-07 01:24:01,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 01:24:01,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 01:24:01,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 01:24:01,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:24:09,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 01:24:09,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 01:24:09,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 01:24:09,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 01:24:09,263 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-07 01:24:09,285 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-07 01:24:09,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.06 01:24:09 BasicIcfg [2021-06-07 01:24:09,299 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-07 01:24:09,299 INFO L168 Benchmark]: Toolchain (without parser) took 21190.24 ms. Allocated memory was 385.9 MB in the beginning and 9.5 GB in the end (delta: 9.1 GB). Free memory was 348.2 MB in the beginning and 8.6 GB in the end (delta: -8.3 GB). Peak memory consumption was 1.7 GB. Max. memory is 16.0 GB. [2021-06-07 01:24:09,299 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 385.9 MB. Free memory was 366.1 MB in the beginning and 366.0 MB in the end (delta: 71.1 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-07 01:24:09,300 INFO L168 Benchmark]: CACSL2BoogieTranslator took 433.65 ms. Allocated memory is still 385.9 MB. Free memory was 347.9 MB in the beginning and 347.5 MB in the end (delta: 398.9 kB). Peak memory consumption was 6.9 MB. Max. memory is 16.0 GB. [2021-06-07 01:24:09,300 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.53 ms. Allocated memory is still 385.9 MB. Free memory was 347.5 MB in the beginning and 345.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-07 01:24:09,300 INFO L168 Benchmark]: Boogie Preprocessor took 26.93 ms. Allocated memory is still 385.9 MB. Free memory was 345.5 MB in the beginning and 343.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-07 01:24:09,300 INFO L168 Benchmark]: RCFGBuilder took 372.07 ms. Allocated memory is still 385.9 MB. Free memory was 343.4 MB in the beginning and 317.1 MB in the end (delta: 26.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. [2021-06-07 01:24:09,301 INFO L168 Benchmark]: TraceAbstraction took 20306.30 ms. Allocated memory was 385.9 MB in the beginning and 9.5 GB in the end (delta: 9.1 GB). Free memory was 316.1 MB in the beginning and 8.6 GB in the end (delta: -8.3 GB). Peak memory consumption was 1.7 GB. Max. memory is 16.0 GB. [2021-06-07 01:24:09,302 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 385.9 MB. Free memory was 366.1 MB in the beginning and 366.0 MB in the end (delta: 71.1 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 433.65 ms. Allocated memory is still 385.9 MB. Free memory was 347.9 MB in the beginning and 347.5 MB in the end (delta: 398.9 kB). Peak memory consumption was 6.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 46.53 ms. Allocated memory is still 385.9 MB. Free memory was 347.5 MB in the beginning and 345.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 26.93 ms. Allocated memory is still 385.9 MB. Free memory was 345.5 MB in the beginning and 343.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 372.07 ms. Allocated memory is still 385.9 MB. Free memory was 343.4 MB in the beginning and 317.1 MB in the end (delta: 26.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 20306.30 ms. Allocated memory was 385.9 MB in the beginning and 9.5 GB in the end (delta: 9.1 GB). Free memory was 316.1 MB in the beginning and 8.6 GB in the end (delta: -8.3 GB). Peak memory consumption was 1.7 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2150842, positive: 2093199, positive conditional: 2093199, positive unconditional: 0, negative: 57643, negative conditional: 57643, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2106985, positive: 2093199, positive conditional: 2093199, positive unconditional: 0, negative: 13786, negative conditional: 13786, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2106985, positive: 2086277, positive conditional: 0, positive unconditional: 2086277, negative: 20708, negative conditional: 0, negative unconditional: 20708, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1410, positive: 1393, positive conditional: 0, positive unconditional: 1393, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1410, positive: 1382, positive conditional: 0, positive unconditional: 1382, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 28, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 50, positive: 24, positive conditional: 13, positive unconditional: 11, negative: 26, negative conditional: 9, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 139, positive: 38, positive conditional: 18, positive unconditional: 20, negative: 100, negative conditional: 11, negative unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2106985, positive: 2084884, positive conditional: 0, positive unconditional: 2084884, negative: 20691, negative conditional: 0, negative unconditional: 20691, unknown: 1410, unknown conditional: 0, unknown unconditional: 1410] , Statistics on independence cache: Total cache size (in pairs): 1432, Positive cache size: 1406, Positive conditional cache size: 13, Positive unconditional cache size: 1393, Negative cache size: 26, Negative conditional cache size: 9, Negative unconditional cache size: 17, SemanticConditionEliminator.Independence Queries: [ total: 52457, positive: 6922, positive conditional: 6922, positive unconditional: 0, negative: 45535, negative conditional: 1869, negative unconditional: 43666, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 52457, positive: 6922, positive conditional: 6922, positive unconditional: 0, negative: 45535, negative conditional: 1869, negative unconditional: 43666, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 50, positive: 24, positive conditional: 13, positive unconditional: 11, negative: 26, negative conditional: 9, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 139, positive: 38, positive conditional: 18, positive unconditional: 20, negative: 100, negative conditional: 11, negative unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 52457, positive: 6909, positive conditional: 6909, positive unconditional: 0, negative: 45526, negative conditional: 1860, negative unconditional: 43666, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1432, Positive cache size: 1406, Positive conditional cache size: 13, Positive unconditional cache size: 1393, Negative cache size: 26, Negative conditional cache size: 9, Negative unconditional cache size: 17, Eliminated conditions: 43666, SemanticConditionEliminator.Independence Queries: [ total: 52457, positive: 6922, positive conditional: 6922, positive unconditional: 0, negative: 45535, negative conditional: 1869, negative unconditional: 43666, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 52457, positive: 6922, positive conditional: 6922, positive unconditional: 0, negative: 45535, negative conditional: 1869, negative unconditional: 43666, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 50, positive: 24, positive conditional: 13, positive unconditional: 11, negative: 26, negative conditional: 9, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 139, positive: 38, positive conditional: 18, positive unconditional: 20, negative: 100, negative conditional: 11, negative unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 52457, positive: 6909, positive conditional: 6909, positive unconditional: 0, negative: 45526, negative conditional: 1860, negative unconditional: 43666, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1432, Positive cache size: 1406, Positive conditional cache size: 13, Positive unconditional cache size: 1393, Negative cache size: 26, Negative conditional cache size: 9, Negative unconditional cache size: 17, Eliminated conditions: 43666, SemanticConditionEliminator.Independence Queries: [ total: 52457, positive: 6922, positive conditional: 6922, positive unconditional: 0, negative: 45535, negative conditional: 1869, negative unconditional: 43666, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 52457, positive: 6922, positive conditional: 6922, positive unconditional: 0, negative: 45535, negative conditional: 1869, negative unconditional: 43666, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 50, positive: 24, positive conditional: 13, positive unconditional: 11, negative: 26, negative conditional: 9, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 139, positive: 38, positive conditional: 18, positive unconditional: 20, negative: 100, negative conditional: 11, negative unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 52457, positive: 6909, positive conditional: 6909, positive unconditional: 0, negative: 45526, negative conditional: 1860, negative unconditional: 43666, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1432, Positive cache size: 1406, Positive conditional cache size: 13, Positive unconditional cache size: 1393, Negative cache size: 26, Negative conditional cache size: 9, Negative unconditional cache size: 17, Eliminated conditions: 43666, SemanticConditionEliminator.Independence Queries: [ total: 52457, positive: 6922, positive conditional: 6922, positive unconditional: 0, negative: 45535, negative conditional: 1869, negative unconditional: 43666, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 52457, positive: 6922, positive conditional: 6922, positive unconditional: 0, negative: 45535, negative conditional: 1869, negative unconditional: 43666, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 50, positive: 24, positive conditional: 13, positive unconditional: 11, negative: 26, negative conditional: 9, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 139, positive: 38, positive conditional: 18, positive unconditional: 20, negative: 100, negative conditional: 11, negative unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 52457, positive: 6909, positive conditional: 6909, positive unconditional: 0, negative: 45526, negative conditional: 1860, negative unconditional: 43666, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1432, Positive cache size: 1406, Positive conditional cache size: 13, Positive unconditional cache size: 1393, Negative cache size: 26, Negative conditional cache size: 9, Negative unconditional cache size: 17, Eliminated conditions: 43666 ], Maximal queried relation: 4, Independence queries for same thread: 43857 - 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 9 procedures, 134 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20210.9ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.9ms, PartialOrderReductionTime: 19307.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 41, 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: 16.5ms SsaConstructionTime, 124.8ms SatisfiabilityAnalysisTime, 507.7ms InterpolantComputationTime, 332 NumberOfCodeBlocks, 332 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 328 ConstructedInterpolants, 0 QuantifiedInterpolants, 1288 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...