/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/safe033_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98707888a4ba860d5b57d27ee0e051c5b948cbbf-9870788 [2021-06-01 22:56:33,140 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-01 22:56:33,141 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-01 22:56:33,166 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-01 22:56:33,193 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-01 22:56:33,194 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-01 22:56:33,195 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-01 22:56:33,196 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 22:56:33,215 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-01 22:56:33,215 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-01 22:56:33,216 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-01 22:56:33,216 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-01 22:56:33,217 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-01 22:56:33,217 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-01 22:56:33,217 INFO L138 SettingsManager]: * Use SBE=true [2021-06-01 22:56:33,217 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-01 22:56:33,218 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-01 22:56:33,218 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-01 22:56:33,218 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-01 22:56:33,218 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-01 22:56:33,218 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-01 22:56:33,218 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-01 22:56:33,219 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-01 22:56:33,219 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-01 22:56:33,219 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-01 22:56:33,219 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-01 22:56:33,219 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-01 22:56:33,219 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-01 22:56:33,220 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-01 22:56:33,220 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-01 22:56:33,220 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-01 22:56:33,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-01 22:56:33,220 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-01 22:56:33,220 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-01 22:56:33,220 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-01 22:56:33,221 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-01 22:56:33,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-01 22:56:33,221 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-01 22:56:33,221 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-01 22:56:33,221 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-01 22:56:33,221 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-01 22:56:33,221 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-01 22:56:33,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-01 22:56:33,516 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-01 22:56:33,518 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-01 22:56:33,519 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-01 22:56:33,524 INFO L275 PluginConnector]: CDTParser initialized [2021-06-01 22:56:33,525 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe033_tso.oepc.i [2021-06-01 22:56:33,603 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4db2135e2/dcfa143834944bc8b10cc8bbe9bb79f9/FLAG611684dae [2021-06-01 22:56:34,112 INFO L306 CDTParser]: Found 1 translation units. [2021-06-01 22:56:34,113 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe033_tso.oepc.i [2021-06-01 22:56:34,135 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4db2135e2/dcfa143834944bc8b10cc8bbe9bb79f9/FLAG611684dae [2021-06-01 22:56:34,609 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4db2135e2/dcfa143834944bc8b10cc8bbe9bb79f9 [2021-06-01 22:56:34,612 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-01 22:56:34,614 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-01 22:56:34,629 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-01 22:56:34,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-01 22:56:34,632 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-01 22:56:34,633 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.06 10:56:34" (1/1) ... [2021-06-01 22:56:34,634 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@705e1b4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:56:34, skipping insertion in model container [2021-06-01 22:56:34,634 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.06 10:56:34" (1/1) ... [2021-06-01 22:56:34,642 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-01 22:56:34,713 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-01 22:56:34,819 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/safe033_tso.oepc.i[950,963] [2021-06-01 22:56:34,986 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-01 22:56:34,995 INFO L203 MainTranslator]: Completed pre-run [2021-06-01 22:56:35,006 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/safe033_tso.oepc.i[950,963] [2021-06-01 22:56:35,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-01 22:56:35,117 INFO L208 MainTranslator]: Completed translation [2021-06-01 22:56:35,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:56:35 WrapperNode [2021-06-01 22:56:35,117 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-01 22:56:35,119 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-01 22:56:35,119 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-01 22:56:35,119 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-01 22:56:35,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:56:35" (1/1) ... [2021-06-01 22:56:35,141 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:56:35" (1/1) ... [2021-06-01 22:56:35,156 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-01 22:56:35,157 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-01 22:56:35,157 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-01 22:56:35,157 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-01 22:56:35,163 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:56:35" (1/1) ... [2021-06-01 22:56:35,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:56:35" (1/1) ... [2021-06-01 22:56:35,166 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:56:35" (1/1) ... [2021-06-01 22:56:35,166 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:56:35" (1/1) ... [2021-06-01 22:56:35,170 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:56:35" (1/1) ... [2021-06-01 22:56:35,172 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:56:35" (1/1) ... [2021-06-01 22:56:35,173 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:56:35" (1/1) ... [2021-06-01 22:56:35,175 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-01 22:56:35,176 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-01 22:56:35,176 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-01 22:56:35,176 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-01 22:56:35,176 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:56:35" (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 22:56:35,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-01 22:56:35,240 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-01 22:56:35,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-01 22:56:35,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-01 22:56:35,241 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-01 22:56:35,241 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-01 22:56:35,241 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-01 22:56:35,242 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-01 22:56:35,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-01 22:56:35,242 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-01 22:56:35,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-01 22:56:35,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-01 22:56:35,243 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 22:56:35,555 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-01 22:56:35,555 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-01 22:56:35,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.06 10:56:35 BoogieIcfgContainer [2021-06-01 22:56:35,557 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-01 22:56:35,558 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-01 22:56:35,558 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-01 22:56:35,561 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-01 22:56:35,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.06 10:56:34" (1/3) ... [2021-06-01 22:56:35,562 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c592baf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.06 10:56:35, skipping insertion in model container [2021-06-01 22:56:35,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:56:35" (2/3) ... [2021-06-01 22:56:35,562 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c592baf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.06 10:56:35, skipping insertion in model container [2021-06-01 22:56:35,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.06 10:56:35" (3/3) ... [2021-06-01 22:56:35,563 INFO L111 eAbstractionObserver]: Analyzing ICFG safe033_tso.oepc.i [2021-06-01 22:56:35,568 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-01 22:56:35,568 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-01 22:56:35,568 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-01 22:56:35,569 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-01 22:56:35,589 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:56:35,590 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:56:35,590 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:56:35,590 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:56:35,590 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:56:35,590 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:56:35,590 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:56:35,590 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:56:35,591 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:56:35,591 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:56:35,592 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:56:35,592 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:56:35,592 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:56:35,592 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:56:35,592 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:56:35,593 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:56:35,593 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:56:35,593 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:56:35,593 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:56:35,593 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:56:35,594 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:56:35,594 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:56:35,594 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:56:35,594 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:56:35,596 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:56:35,596 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:56:35,596 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:56:35,596 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:56:35,601 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:56:35,601 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:56:35,601 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:56:35,601 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:56:35,603 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-01 22:56:35,623 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 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) [2021-06-01 22:56:35,679 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-01 22:56:35,680 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-01 22:56:35,680 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-01 22:56:35,680 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-01 22:56:35,680 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-01 22:56:35,680 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-01 22:56:35,680 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-01 22:56:35,686 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-01 22:56:35,733 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 22:56:35,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 22:56:35,738 INFO L82 PathProgramCache]: Analyzing trace with hash -962465000, now seen corresponding path program 1 times [2021-06-01 22:56:35,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 22:56:35,747 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029310309] [2021-06-01 22:56:35,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 22:56:35,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 22:56:36,097 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 22:56:36,097 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 22:56:36,098 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029310309] [2021-06-01 22:56:36,099 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029310309] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-01 22:56:36,099 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-01 22:56:36,099 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-01 22:56:36,099 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264732030] [2021-06-01 22:56:36,106 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-01 22:56:36,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 22:56:36,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-01 22:56:36,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-01 22:56:36,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 22:56:36,122 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 22:56:36,123 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 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 22:56:36,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 22:56:36,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-01 22:56:36,348 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-01 22:56:36,348 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 22:56:36,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 22:56:36,351 INFO L82 PathProgramCache]: Analyzing trace with hash -1974477610, now seen corresponding path program 1 times [2021-06-01 22:56:36,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 22:56:36,352 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300367814] [2021-06-01 22:56:36,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 22:56:36,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 22:56:36,470 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 22:56:36,471 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 22:56:36,471 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300367814] [2021-06-01 22:56:36,471 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300367814] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-01 22:56:36,471 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-01 22:56:36,471 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-01 22:56:36,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366266316] [2021-06-01 22:56:36,473 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-01 22:56:36,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 22:56:36,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-01 22:56:36,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-01 22:56:36,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 22:56:36,474 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 22:56:36,474 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 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 22:56:36,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-01 22:56:36,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 22:56:36,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-01 22:56:36,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-01 22:56:36,730 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-01 22:56:36,731 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 22:56:36,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 22:56:36,731 INFO L82 PathProgramCache]: Analyzing trace with hash -642970676, now seen corresponding path program 2 times [2021-06-01 22:56:36,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 22:56:36,732 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278532266] [2021-06-01 22:56:36,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 22:56:36,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 22:56:36,896 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 22:56:36,897 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 22:56:36,903 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278532266] [2021-06-01 22:56:36,903 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278532266] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-01 22:56:36,903 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-01 22:56:36,904 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-01 22:56:36,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134512061] [2021-06-01 22:56:36,905 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-01 22:56:36,905 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 22:56:36,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-01 22:56:36,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-01 22:56:36,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 22:56:36,906 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 22:56:36,906 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 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 22:56:36,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-01 22:56:36,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-01 22:56:36,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 22:56:37,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-01 22:56:37,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-01 22:56:37,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-01 22:56:37,059 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-01 22:56:37,066 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-01 22:56:37,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.06 10:56:37 BasicIcfg [2021-06-01 22:56:37,068 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-01 22:56:37,069 INFO L168 Benchmark]: Toolchain (without parser) took 2454.27 ms. Allocated memory is still 354.4 MB. Free memory was 316.6 MB in the beginning and 137.5 MB in the end (delta: 179.0 MB). Peak memory consumption was 177.4 MB. Max. memory is 16.0 GB. [2021-06-01 22:56:37,069 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 354.4 MB. Free memory was 334.9 MB in the beginning and 334.9 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-01 22:56:37,069 INFO L168 Benchmark]: CACSL2BoogieTranslator took 489.18 ms. Allocated memory is still 354.4 MB. Free memory was 316.4 MB in the beginning and 316.8 MB in the end (delta: -476.3 kB). Peak memory consumption was 4.8 MB. Max. memory is 16.0 GB. [2021-06-01 22:56:37,070 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.33 ms. Allocated memory is still 354.4 MB. Free memory was 316.8 MB in the beginning and 315.8 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-01 22:56:37,070 INFO L168 Benchmark]: Boogie Preprocessor took 18.40 ms. Allocated memory is still 354.4 MB. Free memory was 315.8 MB in the beginning and 313.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-01 22:56:37,071 INFO L168 Benchmark]: RCFGBuilder took 381.21 ms. Allocated memory is still 354.4 MB. Free memory was 313.7 MB in the beginning and 292.7 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. [2021-06-01 22:56:37,071 INFO L168 Benchmark]: TraceAbstraction took 1509.67 ms. Allocated memory is still 354.4 MB. Free memory was 291.7 MB in the beginning and 137.5 MB in the end (delta: 154.1 MB). Peak memory consumption was 153.1 MB. Max. memory is 16.0 GB. [2021-06-01 22:56:37,073 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 354.4 MB. Free memory was 334.9 MB in the beginning and 334.9 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 489.18 ms. Allocated memory is still 354.4 MB. Free memory was 316.4 MB in the beginning and 316.8 MB in the end (delta: -476.3 kB). Peak memory consumption was 4.8 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 37.33 ms. Allocated memory is still 354.4 MB. Free memory was 316.8 MB in the beginning and 315.8 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 18.40 ms. Allocated memory is still 354.4 MB. Free memory was 315.8 MB in the beginning and 313.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 381.21 ms. Allocated memory is still 354.4 MB. Free memory was 313.7 MB in the beginning and 292.7 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1509.67 ms. Allocated memory is still 354.4 MB. Free memory was 291.7 MB in the beginning and 137.5 MB in the end (delta: 154.1 MB). Peak memory consumption was 153.1 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: 2791, positive: 2710, positive conditional: 2710, positive unconditional: 0, negative: 81, negative conditional: 81, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2753, positive: 2710, positive conditional: 2710, positive unconditional: 0, negative: 43, negative conditional: 43, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2753, positive: 2693, positive conditional: 0, positive unconditional: 2693, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 289, positive: 284, positive conditional: 0, positive unconditional: 284, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 289, positive: 283, positive conditional: 0, positive unconditional: 283, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 4, positive conditional: 3, positive unconditional: 1, negative: 6, negative conditional: 1, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 55, positive: 15, positive conditional: 11, positive unconditional: 4, negative: 40, negative conditional: 3, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2753, positive: 2409, positive conditional: 0, positive unconditional: 2409, negative: 55, negative conditional: 0, negative unconditional: 55, unknown: 289, unknown conditional: 0, unknown unconditional: 289] , Statistics on independence cache: Total cache size (in pairs): 293, Positive cache size: 287, Positive conditional cache size: 3, Positive unconditional cache size: 284, Negative cache size: 6, Negative conditional cache size: 1, Negative unconditional cache size: 5, SemanticConditionEliminator.Independence Queries: [ total: 124, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 107, negative conditional: 13, negative unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 124, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 107, negative conditional: 13, negative unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 4, positive conditional: 3, positive unconditional: 1, negative: 6, negative conditional: 1, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 55, positive: 15, positive conditional: 11, positive unconditional: 4, negative: 40, negative conditional: 3, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 124, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 106, negative conditional: 12, negative unconditional: 94, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 293, Positive cache size: 287, Positive conditional cache size: 3, Positive unconditional cache size: 284, Negative cache size: 6, Negative conditional cache size: 1, Negative unconditional cache size: 5, Eliminated conditions: 94, SemanticConditionEliminator.Independence Queries: [ total: 124, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 107, negative conditional: 13, negative unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 124, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 107, negative conditional: 13, negative unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 4, positive conditional: 3, positive unconditional: 1, negative: 6, negative conditional: 1, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 55, positive: 15, positive conditional: 11, positive unconditional: 4, negative: 40, negative conditional: 3, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 124, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 106, negative conditional: 12, negative unconditional: 94, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 293, Positive cache size: 287, Positive conditional cache size: 3, Positive unconditional cache size: 284, Negative cache size: 6, Negative conditional cache size: 1, Negative unconditional cache size: 5, Eliminated conditions: 94, SemanticConditionEliminator.Independence Queries: [ total: 124, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 107, negative conditional: 13, negative unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 124, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 107, negative conditional: 13, negative unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 4, positive conditional: 3, positive unconditional: 1, negative: 6, negative conditional: 1, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 55, positive: 15, positive conditional: 11, positive unconditional: 4, negative: 40, negative conditional: 3, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 124, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 106, negative conditional: 12, negative unconditional: 94, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 293, Positive cache size: 287, Positive conditional cache size: 3, Positive unconditional cache size: 284, Negative cache size: 6, Negative conditional cache size: 1, Negative unconditional cache size: 5, Eliminated conditions: 94 ], Maximal queried relation: 3, Independence queries for same thread: 38 - 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 5 procedures, 81 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1416.8ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.6ms, PartialOrderReductionTime: 665.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 27, 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: 13.4ms SsaConstructionTime, 124.8ms SatisfiabilityAnalysisTime, 407.9ms InterpolantComputationTime, 146 NumberOfCodeBlocks, 146 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 143 ConstructedInterpolants, 0 QuantifiedInterpolants, 435 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...