/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/safe037_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-07 01:23:01,704 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-07 01:23:01,706 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-07 01:23:01,731 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-07 01:23:01,761 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 01:23:01,782 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-07 01:23:01,782 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-07 01:23:01,782 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-07 01:23:01,783 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-07 01:23:01,784 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-07 01:23:01,784 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-07 01:23:01,784 INFO L138 SettingsManager]: * Use SBE=true [2021-06-07 01:23:01,784 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-07 01:23:01,784 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-07 01:23:01,785 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-07 01:23:01,785 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-07 01:23:01,785 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-07 01:23:01,785 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-07 01:23:01,785 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-07 01:23:01,785 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-07 01:23:01,786 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-07 01:23:01,786 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-07 01:23:01,786 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-07 01:23:01,786 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-07 01:23:01,786 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-07 01:23:01,787 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-07 01:23:01,787 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-07 01:23:01,787 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-07 01:23:01,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 01:23:01,787 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-07 01:23:01,787 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-07 01:23:01,788 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-07 01:23:01,788 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-07 01:23:01,788 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-07 01:23:01,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-07 01:23:01,788 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-07 01:23:01,788 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-07 01:23:01,789 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-07 01:23:01,789 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-07 01:23:01,789 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-07 01:23:01,789 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-07 01:23:02,090 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-07 01:23:02,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-07 01:23:02,113 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-07 01:23:02,114 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-07 01:23:02,115 INFO L275 PluginConnector]: CDTParser initialized [2021-06-07 01:23:02,116 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe037_tso.oepc.i [2021-06-07 01:23:02,161 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94f1fe6d1/d9f13644baf2408993b83541e870c6c6/FLAG6ef89e2bf [2021-06-07 01:23:02,589 INFO L306 CDTParser]: Found 1 translation units. [2021-06-07 01:23:02,590 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe037_tso.oepc.i [2021-06-07 01:23:02,603 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94f1fe6d1/d9f13644baf2408993b83541e870c6c6/FLAG6ef89e2bf [2021-06-07 01:23:02,961 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94f1fe6d1/d9f13644baf2408993b83541e870c6c6 [2021-06-07 01:23:02,964 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-07 01:23:02,965 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-07 01:23:02,970 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-07 01:23:02,970 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-07 01:23:02,976 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-07 01:23:02,977 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.06 01:23:02" (1/1) ... [2021-06-07 01:23:02,978 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@401b9a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:23:02, skipping insertion in model container [2021-06-07 01:23:02,978 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.06 01:23:02" (1/1) ... [2021-06-07 01:23:02,983 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-07 01:23:03,028 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-07 01:23:03,196 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/safe037_tso.oepc.i[950,963] [2021-06-07 01:23:03,295 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-07 01:23:03,302 INFO L203 MainTranslator]: Completed pre-run [2021-06-07 01:23:03,310 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/safe037_tso.oepc.i[950,963] [2021-06-07 01:23:03,338 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-07 01:23:03,413 INFO L208 MainTranslator]: Completed translation [2021-06-07 01:23:03,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:23:03 WrapperNode [2021-06-07 01:23:03,415 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-07 01:23:03,417 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-07 01:23:03,417 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-07 01:23:03,417 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-07 01:23:03,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:23:03" (1/1) ... [2021-06-07 01:23:03,457 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:23:03" (1/1) ... [2021-06-07 01:23:03,472 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-07 01:23:03,473 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-07 01:23:03,473 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-07 01:23:03,473 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-07 01:23:03,479 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:23:03" (1/1) ... [2021-06-07 01:23:03,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:23:03" (1/1) ... [2021-06-07 01:23:03,482 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:23:03" (1/1) ... [2021-06-07 01:23:03,482 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:23:03" (1/1) ... [2021-06-07 01:23:03,487 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:23:03" (1/1) ... [2021-06-07 01:23:03,494 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:23:03" (1/1) ... [2021-06-07 01:23:03,496 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:23:03" (1/1) ... [2021-06-07 01:23:03,498 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-07 01:23:03,499 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-07 01:23:03,499 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-07 01:23:03,499 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-07 01:23:03,500 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:23:03" (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 01:23:03,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-07 01:23:03,582 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-07 01:23:03,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-07 01:23:03,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-07 01:23:03,583 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-07 01:23:03,583 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-07 01:23:03,583 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-07 01:23:03,583 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-07 01:23:03,583 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-07 01:23:03,583 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-07 01:23:03,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-07 01:23:03,584 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-07 01:23:03,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-07 01:23:03,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-07 01:23:03,586 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 01:23:03,938 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-07 01:23:03,939 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-07 01:23:03,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 01:23:03 BoogieIcfgContainer [2021-06-07 01:23:03,940 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-07 01:23:03,942 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-07 01:23:03,942 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-07 01:23:03,944 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-07 01:23:03,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.06 01:23:02" (1/3) ... [2021-06-07 01:23:03,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ed07644 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 01:23:03, skipping insertion in model container [2021-06-07 01:23:03,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 01:23:03" (2/3) ... [2021-06-07 01:23:03,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ed07644 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 01:23:03, skipping insertion in model container [2021-06-07 01:23:03,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 01:23:03" (3/3) ... [2021-06-07 01:23:03,951 INFO L111 eAbstractionObserver]: Analyzing ICFG safe037_tso.oepc.i [2021-06-07 01:23:03,958 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-07 01:23:03,959 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-07 01:23:03,959 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-07 01:23:03,960 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-07 01:23:03,994 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:03,994 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:03,994 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:03,994 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:03,995 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:03,995 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:03,997 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:03,997 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:03,997 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:03,998 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:03,998 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:03,998 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:03,998 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:03,999 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:03,999 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:03,999 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:04,000 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:04,001 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:04,001 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:04,001 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:04,006 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:04,006 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:04,006 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:04,006 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:04,007 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:04,007 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:04,008 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:04,008 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:04,008 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:04,009 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:04,009 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:04,009 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:04,009 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:04,009 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:04,010 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:04,010 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:04,011 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:04,012 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:04,012 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:04,012 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:04,017 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:04,017 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:04,017 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:04,018 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:04,022 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:04,022 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:04,022 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:04,023 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:23:04,025 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-07 01:23:04,044 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-07 01:23:04,105 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-07 01:23:04,105 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-07 01:23:04,106 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-07 01:23:04,106 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-07 01:23:04,106 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-07 01:23:04,106 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-07 01:23:04,106 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-07 01:23:04,107 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-07 01:23:04,169 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 01:23:04,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 01:23:04,174 INFO L82 PathProgramCache]: Analyzing trace with hash 107377224, now seen corresponding path program 1 times [2021-06-07 01:23:04,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 01:23:04,181 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891872156] [2021-06-07 01:23:04,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 01:23:04,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 01:23:04,517 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 01:23:04,517 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 01:23:04,517 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891872156] [2021-06-07 01:23:04,518 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891872156] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 01:23:04,518 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 01:23:04,518 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-07 01:23:04,519 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503333273] [2021-06-07 01:23:04,523 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-07 01:23:04,523 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 01:23:04,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-07 01:23:04,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-07 01:23:04,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:23:04,535 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 01:23:04,536 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 01:23:04,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:23:04,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 01:23:04,754 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-07 01:23:04,754 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 01:23:04,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 01:23:04,755 INFO L82 PathProgramCache]: Analyzing trace with hash 54173090, now seen corresponding path program 2 times [2021-06-07 01:23:04,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 01:23:04,755 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648255970] [2021-06-07 01:23:04,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 01:23:04,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 01:23:04,904 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 01:23:04,904 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 01:23:04,905 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648255970] [2021-06-07 01:23:04,905 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648255970] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 01:23:04,905 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 01:23:04,905 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-07 01:23:04,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737239179] [2021-06-07 01:23:04,907 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-07 01:23:04,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 01:23:04,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-07 01:23:04,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-07 01:23:04,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:23:04,908 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 01:23:04,908 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 01:23:04,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 01:23:04,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:23:05,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 01:23:05,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-07 01:23:05,555 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-07 01:23:05,555 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 01:23:05,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 01:23:05,556 INFO L82 PathProgramCache]: Analyzing trace with hash 393445562, now seen corresponding path program 1 times [2021-06-07 01:23:05,556 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 01:23:05,556 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263355959] [2021-06-07 01:23:05,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 01:23:05,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 01:23:05,689 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 01:23:05,690 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 01:23:05,690 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263355959] [2021-06-07 01:23:05,690 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263355959] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 01:23:05,691 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 01:23:05,691 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-07 01:23:05,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273105789] [2021-06-07 01:23:05,692 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-07 01:23:05,692 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 01:23:05,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-07 01:23:05,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-07 01:23:05,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:23:05,695 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 01:23:05,695 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 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 01:23:05,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 01:23:05,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-07 01:23:05,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:23:05,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 01:23:05,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-07 01:23:05,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 01:23:05,909 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-07 01:23:05,909 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 01:23:05,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 01:23:05,910 INFO L82 PathProgramCache]: Analyzing trace with hash 17128984, now seen corresponding path program 2 times [2021-06-07 01:23:05,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 01:23:05,911 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324678160] [2021-06-07 01:23:05,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 01:23:05,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 01:23:06,110 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 01:23:06,111 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 01:23:06,111 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324678160] [2021-06-07 01:23:06,111 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324678160] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 01:23:06,111 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 01:23:06,111 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-07 01:23:06,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696227130] [2021-06-07 01:23:06,112 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-07 01:23:06,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 01:23:06,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-07 01:23:06,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-06-07 01:23:06,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:23:06,113 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 01:23:06,113 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 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 01:23:06,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 01:23:06,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-07 01:23:06,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 01:23:06,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:23:06,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 01:23:06,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-07 01:23:06,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 01:23:06,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 01:23:06,723 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-07 01:23:06,724 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 01:23:06,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 01:23:06,726 INFO L82 PathProgramCache]: Analyzing trace with hash 1490321826, now seen corresponding path program 3 times [2021-06-07 01:23:06,726 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 01:23:06,726 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686186] [2021-06-07 01:23:06,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 01:23:06,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 01:23:06,818 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 01:23:06,819 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 01:23:06,819 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686186] [2021-06-07 01:23:06,819 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686186] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 01:23:06,819 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 01:23:06,819 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-07 01:23:06,819 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133284426] [2021-06-07 01:23:06,820 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-07 01:23:06,820 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 01:23:06,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-07 01:23:06,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-07 01:23:06,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:23:06,820 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 01:23:06,821 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 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 01:23:06,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 01:23:06,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-07 01:23:06,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 01:23:06,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 01:23:06,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:23:07,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 01:23:07,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-07 01:23:07,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 01:23:07,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 01:23:07,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 01:23:07,507 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-07 01:23:07,523 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-07 01:23:07,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.06 01:23:07 BasicIcfg [2021-06-07 01:23:07,525 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-07 01:23:07,528 INFO L168 Benchmark]: Toolchain (without parser) took 4560.42 ms. Allocated memory was 329.3 MB in the beginning and 402.7 MB in the end (delta: 73.4 MB). Free memory was 292.7 MB in the beginning and 250.9 MB in the end (delta: 41.8 MB). Peak memory consumption was 238.2 MB. Max. memory is 16.0 GB. [2021-06-07 01:23:07,528 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 329.3 MB. Free memory is still 310.5 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-07 01:23:07,528 INFO L168 Benchmark]: CACSL2BoogieTranslator took 445.98 ms. Allocated memory is still 329.3 MB. Free memory was 292.5 MB in the beginning and 291.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.0 GB. [2021-06-07 01:23:07,529 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.85 ms. Allocated memory is still 329.3 MB. Free memory was 290.1 MB in the beginning and 289.0 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-07 01:23:07,529 INFO L168 Benchmark]: Boogie Preprocessor took 25.10 ms. Allocated memory is still 329.3 MB. Free memory was 289.0 MB in the beginning and 286.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-07 01:23:07,529 INFO L168 Benchmark]: RCFGBuilder took 441.69 ms. Allocated memory is still 329.3 MB. Free memory was 286.9 MB in the beginning and 262.8 MB in the end (delta: 24.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-06-07 01:23:07,530 INFO L168 Benchmark]: TraceAbstraction took 3582.98 ms. Allocated memory was 329.3 MB in the beginning and 402.7 MB in the end (delta: 73.4 MB). Free memory was 262.8 MB in the beginning and 250.9 MB in the end (delta: 11.9 MB). Peak memory consumption was 208.0 MB. Max. memory is 16.0 GB. [2021-06-07 01:23:07,533 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 329.3 MB. Free memory is still 310.5 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 445.98 ms. Allocated memory is still 329.3 MB. Free memory was 292.5 MB in the beginning and 291.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 55.85 ms. Allocated memory is still 329.3 MB. Free memory was 290.1 MB in the beginning and 289.0 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 25.10 ms. Allocated memory is still 329.3 MB. Free memory was 289.0 MB in the beginning and 286.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 441.69 ms. Allocated memory is still 329.3 MB. Free memory was 286.9 MB in the beginning and 262.8 MB in the end (delta: 24.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 3582.98 ms. Allocated memory was 329.3 MB in the beginning and 402.7 MB in the end (delta: 73.4 MB). Free memory was 262.8 MB in the beginning and 250.9 MB in the end (delta: 11.9 MB). Peak memory consumption was 208.0 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: 65141, positive: 62618, positive conditional: 62618, positive unconditional: 0, negative: 2523, negative conditional: 2523, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 62869, positive: 62618, positive conditional: 62618, positive unconditional: 0, negative: 251, negative conditional: 251, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 62869, positive: 62219, positive conditional: 0, positive unconditional: 62219, negative: 650, negative conditional: 0, negative unconditional: 650, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 725, positive: 715, positive conditional: 0, positive unconditional: 715, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 725, positive: 709, positive conditional: 0, positive unconditional: 709, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 14, negative conditional: 4, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 83, positive: 31, positive conditional: 19, positive unconditional: 12, negative: 52, negative conditional: 6, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 62869, positive: 61504, positive conditional: 0, positive unconditional: 61504, negative: 640, negative conditional: 0, negative unconditional: 640, unknown: 725, unknown conditional: 0, unknown unconditional: 725] , Statistics on independence cache: Total cache size (in pairs): 739, Positive cache size: 725, Positive conditional cache size: 10, Positive unconditional cache size: 715, Negative cache size: 14, Negative conditional cache size: 4, Negative unconditional cache size: 10, SemanticConditionEliminator.Independence Queries: [ total: 1843, positive: 399, positive conditional: 399, positive unconditional: 0, negative: 1444, negative conditional: 86, negative unconditional: 1358, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1843, positive: 399, positive conditional: 399, positive unconditional: 0, negative: 1444, negative conditional: 86, negative unconditional: 1358, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 14, negative conditional: 4, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 83, positive: 31, positive conditional: 19, positive unconditional: 12, negative: 52, negative conditional: 6, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1843, positive: 389, positive conditional: 389, positive unconditional: 0, negative: 1440, negative conditional: 82, negative unconditional: 1358, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 739, Positive cache size: 725, Positive conditional cache size: 10, Positive unconditional cache size: 715, Negative cache size: 14, Negative conditional cache size: 4, Negative unconditional cache size: 10, Eliminated conditions: 1358, SemanticConditionEliminator.Independence Queries: [ total: 1843, positive: 399, positive conditional: 399, positive unconditional: 0, negative: 1444, negative conditional: 86, negative unconditional: 1358, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1843, positive: 399, positive conditional: 399, positive unconditional: 0, negative: 1444, negative conditional: 86, negative unconditional: 1358, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 14, negative conditional: 4, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 83, positive: 31, positive conditional: 19, positive unconditional: 12, negative: 52, negative conditional: 6, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1843, positive: 389, positive conditional: 389, positive unconditional: 0, negative: 1440, negative conditional: 82, negative unconditional: 1358, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 739, Positive cache size: 725, Positive conditional cache size: 10, Positive unconditional cache size: 715, Negative cache size: 14, Negative conditional cache size: 4, Negative unconditional cache size: 10, Eliminated conditions: 1358, SemanticConditionEliminator.Independence Queries: [ total: 1843, positive: 399, positive conditional: 399, positive unconditional: 0, negative: 1444, negative conditional: 86, negative unconditional: 1358, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1843, positive: 399, positive conditional: 399, positive unconditional: 0, negative: 1444, negative conditional: 86, negative unconditional: 1358, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 14, negative conditional: 4, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 83, positive: 31, positive conditional: 19, positive unconditional: 12, negative: 52, negative conditional: 6, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1843, positive: 389, positive conditional: 389, positive unconditional: 0, negative: 1440, negative conditional: 82, negative unconditional: 1358, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 739, Positive cache size: 725, Positive conditional cache size: 10, Positive unconditional cache size: 715, Negative cache size: 14, Negative conditional cache size: 4, Negative unconditional cache size: 10, Eliminated conditions: 1358, SemanticConditionEliminator.Independence Queries: [ total: 1843, positive: 399, positive conditional: 399, positive unconditional: 0, negative: 1444, negative conditional: 86, negative unconditional: 1358, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1843, positive: 399, positive conditional: 399, positive unconditional: 0, negative: 1444, negative conditional: 86, negative unconditional: 1358, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 14, negative conditional: 4, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 83, positive: 31, positive conditional: 19, positive unconditional: 12, negative: 52, negative conditional: 6, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1843, positive: 389, positive conditional: 389, positive unconditional: 0, negative: 1440, negative conditional: 82, negative unconditional: 1358, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 739, Positive cache size: 725, Positive conditional cache size: 10, Positive unconditional cache size: 715, Negative cache size: 14, Negative conditional cache size: 4, Negative unconditional cache size: 10, Eliminated conditions: 1358, SemanticConditionEliminator.Independence Queries: [ total: 1843, positive: 399, positive conditional: 399, positive unconditional: 0, negative: 1444, negative conditional: 86, negative unconditional: 1358, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1843, positive: 399, positive conditional: 399, positive unconditional: 0, negative: 1444, negative conditional: 86, negative unconditional: 1358, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 14, negative conditional: 4, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 83, positive: 31, positive conditional: 19, positive unconditional: 12, negative: 52, negative conditional: 6, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1843, positive: 389, positive conditional: 389, positive unconditional: 0, negative: 1440, negative conditional: 82, negative unconditional: 1358, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 739, Positive cache size: 725, Positive conditional cache size: 10, Positive unconditional cache size: 715, Negative cache size: 14, Negative conditional cache size: 4, Negative unconditional cache size: 10, Eliminated conditions: 1358 ], Maximal queried relation: 5, Independence queries for same thread: 2272 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 108 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3453.1ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.5ms, PartialOrderReductionTime: 2418.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 44, 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: 23.0ms SsaConstructionTime, 167.8ms SatisfiabilityAnalysisTime, 625.7ms InterpolantComputationTime, 334 NumberOfCodeBlocks, 334 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 329 ConstructedInterpolants, 0 QuantifiedInterpolants, 1097 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...