/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.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe020_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98707888a4ba860d5b57d27ee0e051c5b948cbbf-9870788 [2021-06-01 22:52:35,797 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-01 22:52:35,800 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-01 22:52:35,837 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-01 22:52:35,893 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.epf [2021-06-01 22:52:35,927 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-01 22:52:35,927 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-01 22:52:35,928 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-01 22:52:35,928 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-01 22:52:35,930 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-01 22:52:35,931 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-01 22:52:35,931 INFO L138 SettingsManager]: * Use SBE=true [2021-06-01 22:52:35,931 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-01 22:52:35,931 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-01 22:52:35,932 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-01 22:52:35,932 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-01 22:52:35,932 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-01 22:52:35,933 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-01 22:52:35,933 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-01 22:52:35,933 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-01 22:52:35,933 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-01 22:52:35,933 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-01 22:52:35,933 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-01 22:52:35,933 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-01 22:52:35,934 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-01 22:52:35,934 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-01 22:52:35,934 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-01 22:52:35,934 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-01 22:52:35,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-01 22:52:35,934 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-01 22:52:35,935 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-01 22:52:35,935 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-01 22:52:35,935 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-01 22:52:35,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-01 22:52:35,935 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-01 22:52:35,935 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-01 22:52:35,935 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-01 22:52:35,936 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-01 22:52:35,936 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-01 22:52:36,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-01 22:52:36,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-01 22:52:36,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-01 22:52:36,252 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-01 22:52:36,253 INFO L275 PluginConnector]: CDTParser initialized [2021-06-01 22:52:36,253 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe020_tso.oepc.i [2021-06-01 22:52:36,317 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb99b1217/af275be8568d4427bc4714b4c9224183/FLAG18e30909f [2021-06-01 22:52:36,844 INFO L306 CDTParser]: Found 1 translation units. [2021-06-01 22:52:36,845 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe020_tso.oepc.i [2021-06-01 22:52:36,859 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb99b1217/af275be8568d4427bc4714b4c9224183/FLAG18e30909f [2021-06-01 22:52:37,150 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb99b1217/af275be8568d4427bc4714b4c9224183 [2021-06-01 22:52:37,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-01 22:52:37,155 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-01 22:52:37,159 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-01 22:52:37,159 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-01 22:52:37,165 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-01 22:52:37,166 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.06 10:52:37" (1/1) ... [2021-06-01 22:52:37,167 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22a4ff1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:52:37, skipping insertion in model container [2021-06-01 22:52:37,167 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.06 10:52:37" (1/1) ... [2021-06-01 22:52:37,173 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-01 22:52:37,223 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-01 22:52:37,339 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/safe020_tso.oepc.i[950,963] [2021-06-01 22:52:37,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-01 22:52:37,529 INFO L203 MainTranslator]: Completed pre-run [2021-06-01 22:52:37,540 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/safe020_tso.oepc.i[950,963] [2021-06-01 22:52:37,575 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-01 22:52:37,647 INFO L208 MainTranslator]: Completed translation [2021-06-01 22:52:37,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:52:37 WrapperNode [2021-06-01 22:52:37,648 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-01 22:52:37,649 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-01 22:52:37,649 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-01 22:52:37,649 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-01 22:52:37,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:52:37" (1/1) ... [2021-06-01 22:52:37,674 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:52:37" (1/1) ... [2021-06-01 22:52:37,689 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-01 22:52:37,690 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-01 22:52:37,690 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-01 22:52:37,690 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-01 22:52:37,695 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:52:37" (1/1) ... [2021-06-01 22:52:37,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:52:37" (1/1) ... [2021-06-01 22:52:37,698 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:52:37" (1/1) ... [2021-06-01 22:52:37,698 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:52:37" (1/1) ... [2021-06-01 22:52:37,702 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:52:37" (1/1) ... [2021-06-01 22:52:37,704 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:52:37" (1/1) ... [2021-06-01 22:52:37,705 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:52:37" (1/1) ... [2021-06-01 22:52:37,707 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-01 22:52:37,708 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-01 22:52:37,708 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-01 22:52:37,708 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-01 22:52:37,709 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:52:37" (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 [2021-06-01 22:52:37,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-01 22:52:37,765 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-01 22:52:37,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-01 22:52:37,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-01 22:52:37,766 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-01 22:52:37,766 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-01 22:52:37,767 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-01 22:52:37,767 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-01 22:52:37,767 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-01 22:52:37,767 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-01 22:52:37,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-01 22:52:37,767 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-01 22:52:37,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-01 22:52:37,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-01 22:52:37,769 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-01 22:52:38,169 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-01 22:52:38,170 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-01 22:52:38,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.06 10:52:38 BoogieIcfgContainer [2021-06-01 22:52:38,173 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-01 22:52:38,175 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-01 22:52:38,175 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-01 22:52:38,177 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-01 22:52:38,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.06 10:52:37" (1/3) ... [2021-06-01 22:52:38,178 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@307c6ad6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.06 10:52:38, skipping insertion in model container [2021-06-01 22:52:38,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:52:37" (2/3) ... [2021-06-01 22:52:38,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@307c6ad6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.06 10:52:38, skipping insertion in model container [2021-06-01 22:52:38,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.06 10:52:38" (3/3) ... [2021-06-01 22:52:38,180 INFO L111 eAbstractionObserver]: Analyzing ICFG safe020_tso.oepc.i [2021-06-01 22:52:38,185 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-01 22:52:38,185 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-01 22:52:38,185 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-01 22:52:38,186 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-01 22:52:38,221 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:38,221 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:38,222 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:38,222 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:38,222 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:38,222 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:38,222 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:38,222 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:38,223 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:38,223 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:38,223 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:38,223 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:38,223 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:38,224 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:38,224 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:38,224 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:38,224 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:38,224 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:38,224 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:38,224 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:38,226 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:38,226 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:38,227 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:38,227 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:38,227 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:38,230 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:38,230 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:38,230 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:38,230 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:38,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:38,231 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:38,231 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:38,235 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:38,235 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:38,235 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:38,235 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:38,237 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:38,237 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:38,237 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:38,238 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:38,242 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:38,242 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:38,242 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:38,243 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:38,245 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:38,245 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:38,245 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:38,245 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:52:38,248 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-01 22:52:38,267 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 [2021-06-01 22:52:38,323 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-01 22:52:38,324 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-01 22:52:38,324 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-01 22:52:38,324 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-01 22:52:38,324 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-01 22:52:38,324 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-01 22:52:38,324 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-01 22:52:38,324 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-01 22:52:38,364 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 22:52:38,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 22:52:38,369 INFO L82 PathProgramCache]: Analyzing trace with hash 1949041076, now seen corresponding path program 1 times [2021-06-01 22:52:38,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 22:52:38,376 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094451384] [2021-06-01 22:52:38,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 22:52:38,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 22:52:38,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 22:52:38,749 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 22:52:38,750 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094451384] [2021-06-01 22:52:38,750 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094451384] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-01 22:52:38,750 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-01 22:52:38,750 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-01 22:52:38,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768609684] [2021-06-01 22:52:38,755 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-01 22:52:38,755 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 22:52:38,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-01 22:52:38,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-01 22:52:38,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 22:52:38,778 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 22:52:38,780 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 22:52:38,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 22:52:39,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-01 22:52:39,001 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-01 22:52:39,001 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 22:52:39,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 22:52:39,002 INFO L82 PathProgramCache]: Analyzing trace with hash 1856423253, now seen corresponding path program 1 times [2021-06-01 22:52:39,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 22:52:39,002 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125184985] [2021-06-01 22:52:39,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 22:52:39,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 22:52:39,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 22:52:39,194 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 22:52:39,194 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125184985] [2021-06-01 22:52:39,194 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125184985] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-01 22:52:39,194 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-01 22:52:39,195 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-01 22:52:39,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145630122] [2021-06-01 22:52:39,196 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-01 22:52:39,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 22:52:39,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-01 22:52:39,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-01 22:52:39,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 22:52:39,197 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 22:52:39,203 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 22:52:39,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-01 22:52:39,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 22:52:39,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-01 22:52:39,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-01 22:52:39,422 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-01 22:52:39,422 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 22:52:39,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 22:52:39,429 INFO L82 PathProgramCache]: Analyzing trace with hash -202295630, now seen corresponding path program 1 times [2021-06-01 22:52:39,430 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 22:52:39,430 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772619391] [2021-06-01 22:52:39,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 22:52:39,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 22:52:39,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 22:52:39,589 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 22:52:39,590 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772619391] [2021-06-01 22:52:39,590 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772619391] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-01 22:52:39,590 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-01 22:52:39,590 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-01 22:52:39,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33708032] [2021-06-01 22:52:39,592 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-01 22:52:39,592 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 22:52:39,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-01 22:52:39,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-01 22:52:39,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 22:52:39,596 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 22:52:39,597 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 22:52:39,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-01 22:52:39,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-01 22:52:39,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 22:52:40,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-01 22:52:40,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-01 22:52:40,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-01 22:52:40,149 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-01 22:52:40,149 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 22:52:40,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 22:52:40,150 INFO L82 PathProgramCache]: Analyzing trace with hash 1026694544, now seen corresponding path program 2 times [2021-06-01 22:52:40,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 22:52:40,150 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448530147] [2021-06-01 22:52:40,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 22:52:40,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 22:52:40,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 22:52:40,240 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 22:52:40,240 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448530147] [2021-06-01 22:52:40,240 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448530147] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-01 22:52:40,241 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-01 22:52:40,241 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-01 22:52:40,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516410466] [2021-06-01 22:52:40,241 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-01 22:52:40,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 22:52:40,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-01 22:52:40,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-01 22:52:40,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 22:52:40,242 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 22:52:40,243 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 22:52:40,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-01 22:52:40,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-01 22:52:40,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-01 22:52:40,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 22:52:40,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-01 22:52:40,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-01 22:52:40,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-01 22:52:40,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-01 22:52:40,675 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-01 22:52:40,676 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 22:52:40,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 22:52:40,677 INFO L82 PathProgramCache]: Analyzing trace with hash 2136744404, now seen corresponding path program 3 times [2021-06-01 22:52:40,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 22:52:40,678 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430088968] [2021-06-01 22:52:40,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 22:52:40,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 22:52:40,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 22:52:40,800 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 22:52:40,800 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430088968] [2021-06-01 22:52:40,800 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430088968] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-01 22:52:40,800 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-01 22:52:40,800 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-01 22:52:40,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841140791] [2021-06-01 22:52:40,802 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-01 22:52:40,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 22:52:40,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-01 22:52:40,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-06-01 22:52:40,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 22:52:40,803 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 22:52:40,803 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 22:52:40,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-01 22:52:40,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-01 22:52:40,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-01 22:52:40,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-01 22:52:40,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 22:52:41,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-01 22:52:41,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-01 22:52:41,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-01 22:52:41,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-01 22:52:41,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-01 22:52:41,424 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-01 22:52:41,439 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-01 22:52:41,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.06 10:52:41 BasicIcfg [2021-06-01 22:52:41,442 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-01 22:52:41,445 INFO L168 Benchmark]: Toolchain (without parser) took 4287.74 ms. Allocated memory was 350.2 MB in the beginning and 432.0 MB in the end (delta: 81.8 MB). Free memory was 312.6 MB in the beginning and 339.3 MB in the end (delta: -26.7 MB). Peak memory consumption was 243.0 MB. Max. memory is 16.0 GB. [2021-06-01 22:52:41,445 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 350.2 MB. Free memory is still 330.7 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-01 22:52:41,445 INFO L168 Benchmark]: CACSL2BoogieTranslator took 489.06 ms. Allocated memory is still 350.2 MB. Free memory was 312.4 MB in the beginning and 312.4 MB in the end (delta: -61.4 kB). Peak memory consumption was 7.4 MB. Max. memory is 16.0 GB. [2021-06-01 22:52:41,445 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.24 ms. Allocated memory is still 350.2 MB. Free memory was 312.4 MB in the beginning and 310.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-01 22:52:41,446 INFO L168 Benchmark]: Boogie Preprocessor took 17.52 ms. Allocated memory is still 350.2 MB. Free memory was 310.3 MB in the beginning and 309.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-01 22:52:41,446 INFO L168 Benchmark]: RCFGBuilder took 465.59 ms. Allocated memory is still 350.2 MB. Free memory was 309.3 MB in the beginning and 284.1 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-06-01 22:52:41,446 INFO L168 Benchmark]: TraceAbstraction took 3266.93 ms. Allocated memory was 350.2 MB in the beginning and 432.0 MB in the end (delta: 81.8 MB). Free memory was 284.1 MB in the beginning and 339.3 MB in the end (delta: -55.2 MB). Peak memory consumption was 216.4 MB. Max. memory is 16.0 GB. [2021-06-01 22:52:41,449 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 350.2 MB. Free memory is still 330.7 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 489.06 ms. Allocated memory is still 350.2 MB. Free memory was 312.4 MB in the beginning and 312.4 MB in the end (delta: -61.4 kB). Peak memory consumption was 7.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 40.24 ms. Allocated memory is still 350.2 MB. Free memory was 312.4 MB in the beginning and 310.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 17.52 ms. Allocated memory is still 350.2 MB. Free memory was 310.3 MB in the beginning and 309.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 465.59 ms. Allocated memory is still 350.2 MB. Free memory was 309.3 MB in the beginning and 284.1 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 3266.93 ms. Allocated memory was 350.2 MB in the beginning and 432.0 MB in the end (delta: 81.8 MB). Free memory was 284.1 MB in the beginning and 339.3 MB in the end (delta: -55.2 MB). Peak memory consumption was 216.4 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: 41928, positive: 41226, positive conditional: 41226, positive unconditional: 0, negative: 702, negative conditional: 702, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 41632, positive: 41226, positive conditional: 41226, positive unconditional: 0, negative: 406, negative conditional: 406, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 41632, positive: 40966, positive conditional: 0, positive unconditional: 40966, negative: 666, negative conditional: 0, negative unconditional: 666, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 644, positive: 633, positive conditional: 0, positive unconditional: 633, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 644, positive: 629, positive conditional: 0, positive unconditional: 629, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 16, negative conditional: 5, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 135, positive: 55, positive conditional: 46, positive unconditional: 9, negative: 80, negative conditional: 10, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 41632, positive: 40333, positive conditional: 0, positive unconditional: 40333, negative: 655, negative conditional: 0, negative unconditional: 655, unknown: 644, unknown conditional: 0, unknown unconditional: 644] , Statistics on independence cache: Total cache size (in pairs): 659, Positive cache size: 643, Positive conditional cache size: 10, Positive unconditional cache size: 633, Negative cache size: 16, Negative conditional cache size: 5, Negative unconditional cache size: 11, SemanticConditionEliminator.Independence Queries: [ total: 2267, positive: 260, positive conditional: 260, positive unconditional: 0, negative: 2007, negative conditional: 159, negative unconditional: 1848, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2267, positive: 260, positive conditional: 260, positive unconditional: 0, negative: 2007, negative conditional: 159, negative unconditional: 1848, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 16, negative conditional: 5, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 135, positive: 55, positive conditional: 46, positive unconditional: 9, negative: 80, negative conditional: 10, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2267, positive: 250, positive conditional: 250, positive unconditional: 0, negative: 2002, negative conditional: 154, negative unconditional: 1848, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 659, Positive cache size: 643, Positive conditional cache size: 10, Positive unconditional cache size: 633, Negative cache size: 16, Negative conditional cache size: 5, Negative unconditional cache size: 11, Eliminated conditions: 1848, SemanticConditionEliminator.Independence Queries: [ total: 2267, positive: 260, positive conditional: 260, positive unconditional: 0, negative: 2007, negative conditional: 159, negative unconditional: 1848, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2267, positive: 260, positive conditional: 260, positive unconditional: 0, negative: 2007, negative conditional: 159, negative unconditional: 1848, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 16, negative conditional: 5, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 135, positive: 55, positive conditional: 46, positive unconditional: 9, negative: 80, negative conditional: 10, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2267, positive: 250, positive conditional: 250, positive unconditional: 0, negative: 2002, negative conditional: 154, negative unconditional: 1848, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 659, Positive cache size: 643, Positive conditional cache size: 10, Positive unconditional cache size: 633, Negative cache size: 16, Negative conditional cache size: 5, Negative unconditional cache size: 11, Eliminated conditions: 1848, SemanticConditionEliminator.Independence Queries: [ total: 2267, positive: 260, positive conditional: 260, positive unconditional: 0, negative: 2007, negative conditional: 159, negative unconditional: 1848, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2267, positive: 260, positive conditional: 260, positive unconditional: 0, negative: 2007, negative conditional: 159, negative unconditional: 1848, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 16, negative conditional: 5, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 135, positive: 55, positive conditional: 46, positive unconditional: 9, negative: 80, negative conditional: 10, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2267, positive: 250, positive conditional: 250, positive unconditional: 0, negative: 2002, negative conditional: 154, negative unconditional: 1848, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 659, Positive cache size: 643, Positive conditional cache size: 10, Positive unconditional cache size: 633, Negative cache size: 16, Negative conditional cache size: 5, Negative unconditional cache size: 11, Eliminated conditions: 1848, SemanticConditionEliminator.Independence Queries: [ total: 2267, positive: 260, positive conditional: 260, positive unconditional: 0, negative: 2007, negative conditional: 159, negative unconditional: 1848, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2267, positive: 260, positive conditional: 260, positive unconditional: 0, negative: 2007, negative conditional: 159, negative unconditional: 1848, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 16, negative conditional: 5, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 135, positive: 55, positive conditional: 46, positive unconditional: 9, negative: 80, negative conditional: 10, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2267, positive: 250, positive conditional: 250, positive unconditional: 0, negative: 2002, negative conditional: 154, negative unconditional: 1848, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 659, Positive cache size: 643, Positive conditional cache size: 10, Positive unconditional cache size: 633, Negative cache size: 16, Negative conditional cache size: 5, Negative unconditional cache size: 11, Eliminated conditions: 1848, SemanticConditionEliminator.Independence Queries: [ total: 2267, positive: 260, positive conditional: 260, positive unconditional: 0, negative: 2007, negative conditional: 159, negative unconditional: 1848, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2267, positive: 260, positive conditional: 260, positive unconditional: 0, negative: 2007, negative conditional: 159, negative unconditional: 1848, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 16, negative conditional: 5, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 135, positive: 55, positive conditional: 46, positive unconditional: 9, negative: 80, negative conditional: 10, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2267, positive: 250, positive conditional: 250, positive unconditional: 0, negative: 2002, negative conditional: 154, negative unconditional: 1848, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 659, Positive cache size: 643, Positive conditional cache size: 10, Positive unconditional cache size: 633, Negative cache size: 16, Negative conditional cache size: 5, Negative unconditional cache size: 11, Eliminated conditions: 1848 ], Maximal queried relation: 5, Independence queries for same thread: 296 - 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, 104 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3143.1ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.8ms, PartialOrderReductionTime: 2069.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 50, 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: 15.9ms SsaConstructionTime, 143.9ms SatisfiabilityAnalysisTime, 695.4ms InterpolantComputationTime, 309 NumberOfCodeBlocks, 309 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 304 ConstructedInterpolants, 0 QuantifiedInterpolants, 1018 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...