/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe035_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-07 02:36:45,237 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-07 02:36:45,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-07 02:36:45,278 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-07 02:36:45,344 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Lockstep.epf [2021-08-07 02:36:45,381 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-07 02:36:45,381 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-07 02:36:45,382 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-07 02:36:45,382 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-07 02:36:45,384 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-07 02:36:45,384 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-07 02:36:45,384 INFO L138 SettingsManager]: * Use SBE=true [2021-08-07 02:36:45,385 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-07 02:36:45,385 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-07 02:36:45,385 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-07 02:36:45,386 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-07 02:36:45,386 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-07 02:36:45,386 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-07 02:36:45,386 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-07 02:36:45,387 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-07 02:36:45,387 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-07 02:36:45,387 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-07 02:36:45,387 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-07 02:36:45,387 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-07 02:36:45,387 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-07 02:36:45,388 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-07 02:36:45,388 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-07 02:36:45,388 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-07 02:36:45,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 02:36:45,388 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-07 02:36:45,388 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-07 02:36:45,389 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-07 02:36:45,389 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-07 02:36:45,389 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-08-07 02:36:45,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-07 02:36:45,389 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-07 02:36:45,389 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-07 02:36:45,390 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-07 02:36:45,390 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-08-07 02:36:45,390 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-07 02:36:45,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-07 02:36:45,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-07 02:36:45,738 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-07 02:36:45,739 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-07 02:36:45,739 INFO L275 PluginConnector]: CDTParser initialized [2021-08-07 02:36:45,740 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe035_tso.opt.i [2021-08-07 02:36:45,809 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b28c5ff05/137cc8ca526d42d58113909a0d2e41e2/FLAG18e411b5a [2021-08-07 02:36:46,327 INFO L306 CDTParser]: Found 1 translation units. [2021-08-07 02:36:46,327 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe035_tso.opt.i [2021-08-07 02:36:46,344 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b28c5ff05/137cc8ca526d42d58113909a0d2e41e2/FLAG18e411b5a [2021-08-07 02:36:46,666 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b28c5ff05/137cc8ca526d42d58113909a0d2e41e2 [2021-08-07 02:36:46,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-07 02:36:46,670 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-07 02:36:46,673 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-07 02:36:46,673 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-07 02:36:46,676 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-07 02:36:46,680 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 02:36:46" (1/1) ... [2021-08-07 02:36:46,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a715a63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 02:36:46, skipping insertion in model container [2021-08-07 02:36:46,682 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 02:36:46" (1/1) ... [2021-08-07 02:36:46,688 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-07 02:36:46,743 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-07 02:36:46,860 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/safe035_tso.opt.i[949,962] [2021-08-07 02:36:47,011 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-07 02:36:47,019 INFO L203 MainTranslator]: Completed pre-run [2021-08-07 02:36:47,030 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/safe035_tso.opt.i[949,962] [2021-08-07 02:36:47,074 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-07 02:36:47,140 INFO L208 MainTranslator]: Completed translation [2021-08-07 02:36:47,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 02:36:47 WrapperNode [2021-08-07 02:36:47,140 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-07 02:36:47,141 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-07 02:36:47,141 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-07 02:36:47,141 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-07 02:36:47,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 02:36:47" (1/1) ... [2021-08-07 02:36:47,191 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 02:36:47" (1/1) ... [2021-08-07 02:36:47,214 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-07 02:36:47,215 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-07 02:36:47,215 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-07 02:36:47,215 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-07 02:36:47,221 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 02:36:47" (1/1) ... [2021-08-07 02:36:47,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 02:36:47" (1/1) ... [2021-08-07 02:36:47,238 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 02:36:47" (1/1) ... [2021-08-07 02:36:47,239 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 02:36:47" (1/1) ... [2021-08-07 02:36:47,242 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 02:36:47" (1/1) ... [2021-08-07 02:36:47,244 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 02:36:47" (1/1) ... [2021-08-07 02:36:47,245 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 02:36:47" (1/1) ... [2021-08-07 02:36:47,247 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-07 02:36:47,248 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-07 02:36:47,248 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-07 02:36:47,248 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-07 02:36:47,249 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 02:36:47" (1/1) ... [2021-08-07 02:36:47,254 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 02:36:47,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 02:36:47,278 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-07 02:36:47,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-07 02:36:47,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-07 02:36:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-07 02:36:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-07 02:36:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-07 02:36:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-08-07 02:36:47,326 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-08-07 02:36:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-08-07 02:36:47,326 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-08-07 02:36:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-08-07 02:36:47,327 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-08-07 02:36:47,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-07 02:36:47,327 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-07 02:36:47,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-07 02:36:47,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-07 02:36:47,328 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-07 02:36:47,782 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-07 02:36:47,782 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-08-07 02:36:47,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 02:36:47 BoogieIcfgContainer [2021-08-07 02:36:47,784 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-07 02:36:47,785 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-07 02:36:47,786 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-07 02:36:47,788 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-07 02:36:47,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.08 02:36:46" (1/3) ... [2021-08-07 02:36:47,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52c2799 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 02:36:47, skipping insertion in model container [2021-08-07 02:36:47,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 02:36:47" (2/3) ... [2021-08-07 02:36:47,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52c2799 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 02:36:47, skipping insertion in model container [2021-08-07 02:36:47,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 02:36:47" (3/3) ... [2021-08-07 02:36:47,790 INFO L111 eAbstractionObserver]: Analyzing ICFG safe035_tso.opt.i [2021-08-07 02:36:47,795 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-07 02:36:47,795 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-07 02:36:47,795 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-07 02:36:47,795 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-07 02:36:47,825 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 02:36:47,825 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 02:36:47,825 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 02:36:47,825 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 02:36:47,826 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 02:36:47,826 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 02:36:47,826 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 02:36:47,826 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 02:36:47,829 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 02:36:47,829 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 02:36:47,829 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 02:36:47,829 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 02:36:47,829 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 02:36:47,830 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 02:36:47,830 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 02:36:47,830 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 02:36:47,832 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 02:36:47,832 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 02:36:47,832 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 02:36:47,832 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 02:36:47,838 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 02:36:47,838 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 02:36:47,838 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 02:36:47,838 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 02:36:47,839 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 02:36:47,839 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 02:36:47,839 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 02:36:47,839 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 02:36:47,839 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 02:36:47,839 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 02:36:47,839 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 02:36:47,840 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 02:36:47,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 02:36:47,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 02:36:47,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 02:36:47,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 02:36:47,848 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 02:36:47,848 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 02:36:47,848 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 02:36:47,848 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 02:36:47,853 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 02:36:47,853 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 02:36:47,853 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 02:36:47,853 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 02:36:47,855 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 02:36:47,855 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 02:36:47,855 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 02:36:47,856 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 02:36:47,857 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-07 02:36:47,892 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 02:36:47,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 02:36:47,901 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-07 02:36:47,931 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-08-07 02:36:47,939 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-07 02:36:47,944 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-07 02:36:47,944 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-07 02:36:48,028 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 02:36:48,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 02:36:48,033 INFO L82 PathProgramCache]: Analyzing trace with hash 392600582, now seen corresponding path program 1 times [2021-08-07 02:36:48,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 02:36:48,041 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278623001] [2021-08-07 02:36:48,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 02:36:48,041 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 02:36:48,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 02:36:48,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 02:36:48,228 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 02:36:48,228 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278623001] [2021-08-07 02:36:48,229 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278623001] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 02:36:48,229 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 02:36:48,229 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-07 02:36:48,230 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089198923] [2021-08-07 02:36:48,235 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-07 02:36:48,235 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 02:36:48,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-07 02:36:48,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-07 02:36:48,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 02:36:48,249 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 02:36:48,251 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 02:36:48,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 02:36:48,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 02:36:48,263 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-07 02:36:48,263 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 02:36:48,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 02:36:48,264 INFO L82 PathProgramCache]: Analyzing trace with hash 1680403544, now seen corresponding path program 1 times [2021-08-07 02:36:48,264 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 02:36:48,265 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110273009] [2021-08-07 02:36:48,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 02:36:48,265 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 02:36:48,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 02:36:48,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 02:36:48,706 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 02:36:48,706 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110273009] [2021-08-07 02:36:48,707 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110273009] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 02:36:48,709 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 02:36:48,713 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-07 02:36:48,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069997830] [2021-08-07 02:36:48,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-07 02:36:48,717 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 02:36:48,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-07 02:36:48,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-08-07 02:36:48,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 02:36:48,719 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 02:36:48,720 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 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) [2021-08-07 02:36:48,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 02:36:48,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 02:36:49,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 02:36:49,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 02:36:49,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-07 02:36:49,210 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 02:36:49,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 02:36:49,211 INFO L82 PathProgramCache]: Analyzing trace with hash 1637665078, now seen corresponding path program 2 times [2021-08-07 02:36:49,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 02:36:49,211 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342363963] [2021-08-07 02:36:49,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 02:36:49,212 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 02:36:49,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 02:36:49,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 02:36:49,476 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 02:36:49,476 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342363963] [2021-08-07 02:36:49,477 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342363963] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 02:36:49,477 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 02:36:49,477 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-07 02:36:49,477 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572819107] [2021-08-07 02:36:49,478 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-07 02:36:49,478 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 02:36:49,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-07 02:36:49,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-08-07 02:36:49,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 02:36:49,480 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 02:36:49,480 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 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) [2021-08-07 02:36:49,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 02:36:49,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 02:36:49,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 02:36:50,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 02:36:50,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 02:36:50,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 02:36:50,144 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-07 02:36:50,144 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 02:36:50,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 02:36:50,145 INFO L82 PathProgramCache]: Analyzing trace with hash 128388500, now seen corresponding path program 3 times [2021-08-07 02:36:50,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 02:36:50,146 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100111136] [2021-08-07 02:36:50,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 02:36:50,146 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 02:36:50,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 02:36:50,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 02:36:50,315 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 02:36:50,315 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100111136] [2021-08-07 02:36:50,315 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100111136] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 02:36:50,315 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 02:36:50,315 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-07 02:36:50,316 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487840563] [2021-08-07 02:36:50,318 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-07 02:36:50,318 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 02:36:50,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-07 02:36:50,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-07 02:36:50,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 02:36:50,319 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 02:36:50,320 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 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) [2021-08-07 02:36:50,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 02:36:50,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 02:36:50,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 02:36:50,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 02:36:50,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 02:36:50,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 02:36:50,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 02:36:50,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-07 02:36:50,691 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-07 02:36:50,691 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 02:36:50,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 02:36:50,692 INFO L82 PathProgramCache]: Analyzing trace with hash 1345268116, now seen corresponding path program 4 times [2021-08-07 02:36:50,692 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 02:36:50,692 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843746536] [2021-08-07 02:36:50,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 02:36:50,692 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 02:36:50,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 02:36:50,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 02:36:50,871 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 02:36:50,872 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843746536] [2021-08-07 02:36:50,873 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843746536] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 02:36:50,873 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 02:36:50,874 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-07 02:36:50,874 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290538482] [2021-08-07 02:36:50,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-07 02:36:50,874 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 02:36:50,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-07 02:36:50,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-08-07 02:36:50,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 02:36:50,875 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 02:36:50,875 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 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) [2021-08-07 02:36:50,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 02:36:50,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 02:36:50,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 02:36:50,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-07 02:36:50,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 02:36:51,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 02:36:51,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 02:36:51,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 02:36:51,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-07 02:36:51,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-07 02:36:51,590 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-07 02:36:51,591 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-07 02:36:51,591 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-07 02:36:51,591 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-07 02:36:51,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-07 02:36:51,604 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-07 02:36:51,604 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-07 02:36:51,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.08 02:36:51 BasicIcfg [2021-08-07 02:36:51,606 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-07 02:36:51,609 INFO L168 Benchmark]: Toolchain (without parser) took 4936.77 ms. Allocated memory was 198.2 MB in the beginning and 274.7 MB in the end (delta: 76.5 MB). Free memory was 161.8 MB in the beginning and 113.8 MB in the end (delta: 48.1 MB). Peak memory consumption was 125.2 MB. Max. memory is 8.0 GB. [2021-08-07 02:36:51,609 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 198.2 MB. Free memory is still 179.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-07 02:36:51,609 INFO L168 Benchmark]: CACSL2BoogieTranslator took 467.86 ms. Allocated memory is still 198.2 MB. Free memory was 161.6 MB in the beginning and 177.8 MB in the end (delta: -16.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2021-08-07 02:36:51,610 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.87 ms. Allocated memory is still 198.2 MB. Free memory was 177.8 MB in the beginning and 175.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-07 02:36:51,611 INFO L168 Benchmark]: Boogie Preprocessor took 32.62 ms. Allocated memory is still 198.2 MB. Free memory was 175.5 MB in the beginning and 174.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-07 02:36:51,613 INFO L168 Benchmark]: RCFGBuilder took 536.06 ms. Allocated memory is still 198.2 MB. Free memory was 174.4 MB in the beginning and 150.3 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2021-08-07 02:36:51,613 INFO L168 Benchmark]: TraceAbstraction took 3820.46 ms. Allocated memory was 198.2 MB in the beginning and 274.7 MB in the end (delta: 76.5 MB). Free memory was 149.8 MB in the beginning and 113.8 MB in the end (delta: 36.0 MB). Peak memory consumption was 113.6 MB. Max. memory is 8.0 GB. [2021-08-07 02:36:51,615 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 198.2 MB. Free memory is still 179.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 467.86 ms. Allocated memory is still 198.2 MB. Free memory was 161.6 MB in the beginning and 177.8 MB in the end (delta: -16.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 72.87 ms. Allocated memory is still 198.2 MB. Free memory was 177.8 MB in the beginning and 175.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 32.62 ms. Allocated memory is still 198.2 MB. Free memory was 175.5 MB in the beginning and 174.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 536.06 ms. Allocated memory is still 198.2 MB. Free memory was 174.4 MB in the beginning and 150.3 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3820.46 ms. Allocated memory was 198.2 MB in the beginning and 274.7 MB in the end (delta: 76.5 MB). Free memory was 149.8 MB in the beginning and 113.8 MB in the end (delta: 36.0 MB). Peak memory consumption was 113.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 64662, positive: 62185, positive conditional: 62185, positive unconditional: 0, negative: 2477, negative conditional: 2477, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 62739, positive: 62185, positive conditional: 62185, positive unconditional: 0, negative: 554, negative conditional: 554, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 62739, positive: 62185, positive conditional: 62185, positive unconditional: 0, negative: 554, negative conditional: 554, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 65139, positive: 62185, positive conditional: 62153, positive unconditional: 32, negative: 2954, negative conditional: 2400, negative unconditional: 554, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 65139, positive: 62185, positive conditional: 21706, positive unconditional: 40479, negative: 2954, negative conditional: 243, negative unconditional: 2711, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 65139, positive: 62185, positive conditional: 21706, positive unconditional: 40479, negative: 2954, negative conditional: 243, negative unconditional: 2711, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 829, positive: 805, positive conditional: 261, positive unconditional: 544, negative: 24, negative conditional: 10, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 829, positive: 778, positive conditional: 0, positive unconditional: 778, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 51, positive: 27, positive conditional: 23, positive unconditional: 4, negative: 24, negative conditional: 10, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 148, positive: 68, positive conditional: 57, positive unconditional: 11, negative: 80, negative conditional: 22, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 65139, positive: 61380, positive conditional: 21445, positive unconditional: 39935, negative: 2930, negative conditional: 233, negative unconditional: 2697, unknown: 829, unknown conditional: 271, unknown unconditional: 558] , Statistics on independence cache: Total cache size (in pairs): 829, Positive cache size: 805, Positive conditional cache size: 261, Positive unconditional cache size: 544, Negative cache size: 24, Negative conditional cache size: 10, Negative unconditional cache size: 14, Eliminated conditions: 42604, Maximal queried relation: 5, Independence queries for same thread: 1923 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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, 107 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 3710.4ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.9ms, PartialOrderReductionTime: 2312.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 51, 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: 51.3ms SsaConstructionTime, 136.7ms SatisfiabilityAnalysisTime, 954.9ms InterpolantComputationTime, 336 NumberOfCodeBlocks, 336 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 331 ConstructedInterpolants, 0 QuantifiedInterpolants, 1287 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! [2021-08-07 02:36:51,676 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-08-07 02:36:51,881 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...