/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-DelaySleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe003_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98707888a4ba860d5b57d27ee0e051c5b948cbbf-9870788 [2021-06-02 06:28:53,128 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-02 06:28:53,130 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-02 06:28:53,162 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-02 06:28:53,189 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-02 06:28:53,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-02 06:28:53,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-02 06:28:53,191 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-DelaySleepPersistent-NoLbe.epf [2021-06-02 06:28:53,209 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-02 06:28:53,210 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-02 06:28:53,210 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-02 06:28:53,210 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-02 06:28:53,211 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-02 06:28:53,211 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-02 06:28:53,211 INFO L138 SettingsManager]: * Use SBE=true [2021-06-02 06:28:53,211 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-02 06:28:53,212 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-02 06:28:53,212 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-02 06:28:53,212 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-02 06:28:53,212 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-02 06:28:53,212 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-02 06:28:53,212 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-02 06:28:53,212 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-02 06:28:53,212 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-02 06:28:53,212 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-02 06:28:53,213 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-02 06:28:53,213 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-02 06:28:53,213 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-02 06:28:53,213 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-02 06:28:53,213 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-02 06:28:53,213 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-02 06:28:53,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-02 06:28:53,213 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-02 06:28:53,213 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-02 06:28:53,213 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-02 06:28:53,214 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-02 06:28:53,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-02 06:28:53,214 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-02 06:28:53,214 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-02 06:28:53,214 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-02 06:28:53,214 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_DELAY_SET [2021-06-02 06:28:53,214 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-02 06:28:53,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-02 06:28:53,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-02 06:28:53,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-02 06:28:53,555 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-02 06:28:53,556 INFO L275 PluginConnector]: CDTParser initialized [2021-06-02 06:28:53,557 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe003_tso.opt.i [2021-06-02 06:28:53,622 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48f7eb370/c9d400d7e5c4446eb2f1281f7e0d3695/FLAG0d6a57d3c [2021-06-02 06:28:54,163 INFO L306 CDTParser]: Found 1 translation units. [2021-06-02 06:28:54,163 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe003_tso.opt.i [2021-06-02 06:28:54,178 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48f7eb370/c9d400d7e5c4446eb2f1281f7e0d3695/FLAG0d6a57d3c [2021-06-02 06:28:54,490 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48f7eb370/c9d400d7e5c4446eb2f1281f7e0d3695 [2021-06-02 06:28:54,493 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-02 06:28:54,496 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-02 06:28:54,499 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-02 06:28:54,499 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-02 06:28:54,502 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-02 06:28:54,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.06 06:28:54" (1/1) ... [2021-06-02 06:28:54,503 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1efa2f24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:28:54, skipping insertion in model container [2021-06-02 06:28:54,503 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.06 06:28:54" (1/1) ... [2021-06-02 06:28:54,509 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-02 06:28:54,556 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-02 06:28:54,701 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/safe003_tso.opt.i[949,962] [2021-06-02 06:28:54,892 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-02 06:28:54,900 INFO L203 MainTranslator]: Completed pre-run [2021-06-02 06:28:54,913 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/safe003_tso.opt.i[949,962] [2021-06-02 06:28:54,944 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-02 06:28:55,022 INFO L208 MainTranslator]: Completed translation [2021-06-02 06:28:55,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:28:55 WrapperNode [2021-06-02 06:28:55,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-02 06:28:55,023 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-02 06:28:55,024 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-02 06:28:55,024 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-02 06:28:55,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:28:55" (1/1) ... [2021-06-02 06:28:55,058 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:28:55" (1/1) ... [2021-06-02 06:28:55,080 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-02 06:28:55,081 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-02 06:28:55,081 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-02 06:28:55,081 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-02 06:28:55,088 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:28:55" (1/1) ... [2021-06-02 06:28:55,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:28:55" (1/1) ... [2021-06-02 06:28:55,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:28:55" (1/1) ... [2021-06-02 06:28:55,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:28:55" (1/1) ... [2021-06-02 06:28:55,107 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:28:55" (1/1) ... [2021-06-02 06:28:55,109 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:28:55" (1/1) ... [2021-06-02 06:28:55,110 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:28:55" (1/1) ... [2021-06-02 06:28:55,112 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-02 06:28:55,113 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-02 06:28:55,113 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-02 06:28:55,113 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-02 06:28:55,114 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:28:55" (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 [2021-06-02 06:28:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-02 06:28:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-02 06:28:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-02 06:28:55,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-02 06:28:55,196 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-02 06:28:55,196 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-02 06:28:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-02 06:28:55,197 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-02 06:28:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-02 06:28:55,197 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-02 06:28:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-02 06:28:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-02 06:28:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-02 06:28:55,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-02 06:28:55,198 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-02 06:28:55,522 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-02 06:28:55,523 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-02 06:28:55,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 06:28:55 BoogieIcfgContainer [2021-06-02 06:28:55,524 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-02 06:28:55,526 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-02 06:28:55,526 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-02 06:28:55,528 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-02 06:28:55,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.06 06:28:54" (1/3) ... [2021-06-02 06:28:55,529 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b5f749e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.06 06:28:55, skipping insertion in model container [2021-06-02 06:28:55,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:28:55" (2/3) ... [2021-06-02 06:28:55,530 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b5f749e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.06 06:28:55, skipping insertion in model container [2021-06-02 06:28:55,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 06:28:55" (3/3) ... [2021-06-02 06:28:55,531 INFO L111 eAbstractionObserver]: Analyzing ICFG safe003_tso.opt.i [2021-06-02 06:28:55,535 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-02 06:28:55,536 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-02 06:28:55,536 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-02 06:28:55,536 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-02 06:28:55,565 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:55,565 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:55,565 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:55,565 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:55,566 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:55,566 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:55,566 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:55,566 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:55,569 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:55,569 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:55,569 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:55,569 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:55,570 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:55,570 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:55,570 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:55,570 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:55,572 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:55,572 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:55,572 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:55,572 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:55,576 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:55,577 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:55,577 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:55,577 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:55,577 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:55,578 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:55,578 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:55,578 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:55,578 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:55,578 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:55,578 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:55,578 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:55,579 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:55,579 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:55,579 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:55,579 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:55,580 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:55,580 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:55,581 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:55,581 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:55,584 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:55,585 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:55,585 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:55,585 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:55,587 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:55,587 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:55,587 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:55,587 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:55,589 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-02 06:28:55,607 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-02 06:28:55,684 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-02 06:28:55,685 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-02 06:28:55,685 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-02 06:28:55,685 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-02 06:28:55,685 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-02 06:28:55,685 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-02 06:28:55,686 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-02 06:28:55,686 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-02 06:28:55,960 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 06:28:55,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 06:28:55,968 INFO L82 PathProgramCache]: Analyzing trace with hash 663437649, now seen corresponding path program 1 times [2021-06-02 06:28:55,975 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 06:28:55,975 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545409766] [2021-06-02 06:28:55,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 06:28:56,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 06:28:56,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 06:28:56,329 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 06:28:56,329 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545409766] [2021-06-02 06:28:56,330 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545409766] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 06:28:56,330 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 06:28:56,330 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-02 06:28:56,331 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286832615] [2021-06-02 06:28:56,335 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-02 06:28:56,335 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 06:28:56,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-02 06:28:56,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-02 06:28:56,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:28:56,349 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 06:28:56,350 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 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) [2021-06-02 06:28:56,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:28:56,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:28:56,752 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-02 06:28:56,752 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 06:28:56,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 06:28:56,753 INFO L82 PathProgramCache]: Analyzing trace with hash 1291389104, now seen corresponding path program 1 times [2021-06-02 06:28:56,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 06:28:56,754 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175540768] [2021-06-02 06:28:56,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 06:28:56,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 06:28:56,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 06:28:56,875 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 06:28:56,875 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175540768] [2021-06-02 06:28:56,875 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175540768] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 06:28:56,876 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 06:28:56,876 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-02 06:28:56,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862031086] [2021-06-02 06:28:56,877 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-02 06:28:56,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 06:28:56,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-02 06:28:56,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-02 06:28:56,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:28:56,878 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 06:28:56,879 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 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) [2021-06-02 06:28:56,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:28:56,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:28:57,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:28:57,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 06:28:57,018 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-02 06:28:57,018 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 06:28:57,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 06:28:57,018 INFO L82 PathProgramCache]: Analyzing trace with hash -1444757268, now seen corresponding path program 1 times [2021-06-02 06:28:57,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 06:28:57,019 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873499020] [2021-06-02 06:28:57,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 06:28:57,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 06:28:57,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 06:28:57,151 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 06:28:57,151 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873499020] [2021-06-02 06:28:57,151 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873499020] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 06:28:57,151 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 06:28:57,151 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-02 06:28:57,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129652953] [2021-06-02 06:28:57,153 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-02 06:28:57,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 06:28:57,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-02 06:28:57,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-02 06:28:57,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:28:57,155 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 06:28:57,155 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 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) [2021-06-02 06:28:57,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:28:57,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-02 06:28:57,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:28:57,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:28:57,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 06:28:57,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-02 06:28:57,377 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-02 06:28:57,377 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 06:28:57,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 06:28:57,378 INFO L82 PathProgramCache]: Analyzing trace with hash 539821348, now seen corresponding path program 2 times [2021-06-02 06:28:57,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 06:28:57,379 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855214356] [2021-06-02 06:28:57,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 06:28:57,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 06:28:57,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 06:28:57,501 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 06:28:57,501 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855214356] [2021-06-02 06:28:57,502 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855214356] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 06:28:57,502 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 06:28:57,502 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-02 06:28:57,502 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47587607] [2021-06-02 06:28:57,502 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-02 06:28:57,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 06:28:57,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-02 06:28:57,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-02 06:28:57,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:28:57,503 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 06:28:57,504 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 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) [2021-06-02 06:28:57,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:28:57,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-02 06:28:57,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-02 06:28:57,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:28:57,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:28:57,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 06:28:57,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-02 06:28:57,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-02 06:28:57,897 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-02 06:28:57,897 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 06:28:57,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 06:28:57,898 INFO L82 PathProgramCache]: Analyzing trace with hash -49448821, now seen corresponding path program 1 times [2021-06-02 06:28:57,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 06:28:57,898 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235000230] [2021-06-02 06:28:57,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 06:28:57,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 06:28:58,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 06:28:58,008 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 06:28:58,008 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235000230] [2021-06-02 06:28:58,008 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235000230] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 06:28:58,008 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 06:28:58,008 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-02 06:28:58,009 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696926391] [2021-06-02 06:28:58,010 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-02 06:28:58,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 06:28:58,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-02 06:28:58,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-02 06:28:58,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:28:58,012 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 06:28:58,012 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 06:28:58,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:28:58,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-02 06:28:58,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-02 06:28:58,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-02 06:28:58,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:28:59,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-02 06:28:59,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-02 06:28:59,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-02 06:28:59,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-02 06:28:59,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-02 06:28:59,840 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-02 06:28:59,848 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-02 06:28:59,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.06 06:28:59 BasicIcfg [2021-06-02 06:28:59,850 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-02 06:28:59,851 INFO L168 Benchmark]: Toolchain (without parser) took 5354.52 ms. Allocated memory was 337.6 MB in the beginning and 568.3 MB in the end (delta: 230.7 MB). Free memory was 300.1 MB in the beginning and 343.2 MB in the end (delta: -43.1 MB). Peak memory consumption was 249.6 MB. Max. memory is 16.0 GB. [2021-06-02 06:28:59,851 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 337.6 MB. Free memory was 318.4 MB in the beginning and 318.3 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-02 06:28:59,851 INFO L168 Benchmark]: CACSL2BoogieTranslator took 524.22 ms. Allocated memory is still 337.6 MB. Free memory was 299.9 MB in the beginning and 300.5 MB in the end (delta: -632.5 kB). Peak memory consumption was 6.9 MB. Max. memory is 16.0 GB. [2021-06-02 06:28:59,852 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.83 ms. Allocated memory is still 337.6 MB. Free memory was 300.5 MB in the beginning and 298.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-02 06:28:59,852 INFO L168 Benchmark]: Boogie Preprocessor took 31.25 ms. Allocated memory is still 337.6 MB. Free memory was 298.4 MB in the beginning and 296.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-02 06:28:59,852 INFO L168 Benchmark]: RCFGBuilder took 411.53 ms. Allocated memory is still 337.6 MB. Free memory was 296.3 MB in the beginning and 271.2 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-06-02 06:28:59,853 INFO L168 Benchmark]: TraceAbstraction took 4324.29 ms. Allocated memory was 337.6 MB in the beginning and 568.3 MB in the end (delta: 230.7 MB). Free memory was 271.2 MB in the beginning and 343.2 MB in the end (delta: -72.0 MB). Peak memory consumption was 221.6 MB. Max. memory is 16.0 GB. [2021-06-02 06:28:59,855 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 337.6 MB. Free memory was 318.4 MB in the beginning and 318.3 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 524.22 ms. Allocated memory is still 337.6 MB. Free memory was 299.9 MB in the beginning and 300.5 MB in the end (delta: -632.5 kB). Peak memory consumption was 6.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 56.83 ms. Allocated memory is still 337.6 MB. Free memory was 300.5 MB in the beginning and 298.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 31.25 ms. Allocated memory is still 337.6 MB. Free memory was 298.4 MB in the beginning and 296.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 411.53 ms. Allocated memory is still 337.6 MB. Free memory was 296.3 MB in the beginning and 271.2 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 4324.29 ms. Allocated memory was 337.6 MB in the beginning and 568.3 MB in the end (delta: 230.7 MB). Free memory was 271.2 MB in the beginning and 343.2 MB in the end (delta: -72.0 MB). Peak memory consumption was 221.6 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: 19865, positive: 18983, positive conditional: 18983, positive unconditional: 0, negative: 882, negative conditional: 882, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 19570, positive: 18983, positive conditional: 18983, positive unconditional: 0, negative: 587, negative conditional: 587, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 30427, positive: 29369, positive conditional: 0, positive unconditional: 29369, negative: 1058, negative conditional: 0, negative unconditional: 1058, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2708, positive: 2662, positive conditional: 0, positive unconditional: 2662, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2708, positive: 2639, positive conditional: 0, positive unconditional: 2639, negative: 69, negative conditional: 0, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 69, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 116, positive: 43, positive conditional: 20, positive unconditional: 23, negative: 73, negative conditional: 27, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 270, positive: 126, positive conditional: 36, positive unconditional: 90, negative: 144, negative conditional: 38, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 30427, positive: 26707, positive conditional: 0, positive unconditional: 26707, negative: 1012, negative conditional: 0, negative unconditional: 1012, unknown: 2708, unknown conditional: 0, unknown unconditional: 2708] , Statistics on independence cache: Total cache size (in pairs): 2755, Positive cache size: 2682, Positive conditional cache size: 20, Positive unconditional cache size: 2662, Negative cache size: 73, Negative conditional cache size: 27, Negative unconditional cache size: 46, SemanticConditionEliminator.Independence Queries: [ total: 2958, positive: 374, positive conditional: 374, positive unconditional: 0, negative: 2584, negative conditional: 269, negative unconditional: 2315, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2958, positive: 374, positive conditional: 374, positive unconditional: 0, negative: 2584, negative conditional: 269, negative unconditional: 2315, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 116, positive: 43, positive conditional: 20, positive unconditional: 23, negative: 73, negative conditional: 27, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 270, positive: 126, positive conditional: 36, positive unconditional: 90, negative: 144, negative conditional: 38, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2958, positive: 354, positive conditional: 354, positive unconditional: 0, negative: 2557, negative conditional: 242, negative unconditional: 2315, unknown: 47, unknown conditional: 47, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2755, Positive cache size: 2682, Positive conditional cache size: 20, Positive unconditional cache size: 2662, Negative cache size: 73, Negative conditional cache size: 27, Negative unconditional cache size: 46, Eliminated conditions: 2315, SemanticConditionEliminator.Independence Queries: [ total: 2958, positive: 374, positive conditional: 374, positive unconditional: 0, negative: 2584, negative conditional: 269, negative unconditional: 2315, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2958, positive: 374, positive conditional: 374, positive unconditional: 0, negative: 2584, negative conditional: 269, negative unconditional: 2315, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 116, positive: 43, positive conditional: 20, positive unconditional: 23, negative: 73, negative conditional: 27, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 270, positive: 126, positive conditional: 36, positive unconditional: 90, negative: 144, negative conditional: 38, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2958, positive: 354, positive conditional: 354, positive unconditional: 0, negative: 2557, negative conditional: 242, negative unconditional: 2315, unknown: 47, unknown conditional: 47, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2755, Positive cache size: 2682, Positive conditional cache size: 20, Positive unconditional cache size: 2662, Negative cache size: 73, Negative conditional cache size: 27, Negative unconditional cache size: 46, Eliminated conditions: 2315, SemanticConditionEliminator.Independence Queries: [ total: 2958, positive: 374, positive conditional: 374, positive unconditional: 0, negative: 2584, negative conditional: 269, negative unconditional: 2315, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2958, positive: 374, positive conditional: 374, positive unconditional: 0, negative: 2584, negative conditional: 269, negative unconditional: 2315, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 116, positive: 43, positive conditional: 20, positive unconditional: 23, negative: 73, negative conditional: 27, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 270, positive: 126, positive conditional: 36, positive unconditional: 90, negative: 144, negative conditional: 38, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2958, positive: 354, positive conditional: 354, positive unconditional: 0, negative: 2557, negative conditional: 242, negative unconditional: 2315, unknown: 47, unknown conditional: 47, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2755, Positive cache size: 2682, Positive conditional cache size: 20, Positive unconditional cache size: 2662, Negative cache size: 73, Negative conditional cache size: 27, Negative unconditional cache size: 46, Eliminated conditions: 2315, SemanticConditionEliminator.Independence Queries: [ total: 2958, positive: 374, positive conditional: 374, positive unconditional: 0, negative: 2584, negative conditional: 269, negative unconditional: 2315, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2958, positive: 374, positive conditional: 374, positive unconditional: 0, negative: 2584, negative conditional: 269, negative unconditional: 2315, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 116, positive: 43, positive conditional: 20, positive unconditional: 23, negative: 73, negative conditional: 27, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 270, positive: 126, positive conditional: 36, positive unconditional: 90, negative: 144, negative conditional: 38, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2958, positive: 354, positive conditional: 354, positive unconditional: 0, negative: 2557, negative conditional: 242, negative unconditional: 2315, unknown: 47, unknown conditional: 47, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2755, Positive cache size: 2682, Positive conditional cache size: 20, Positive unconditional cache size: 2662, Negative cache size: 73, Negative conditional cache size: 27, Negative unconditional cache size: 46, Eliminated conditions: 2315, SemanticConditionEliminator.Independence Queries: [ total: 2958, positive: 374, positive conditional: 374, positive unconditional: 0, negative: 2584, negative conditional: 269, negative unconditional: 2315, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2958, positive: 374, positive conditional: 374, positive unconditional: 0, negative: 2584, negative conditional: 269, negative unconditional: 2315, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 116, positive: 43, positive conditional: 20, positive unconditional: 23, negative: 73, negative conditional: 27, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 270, positive: 126, positive conditional: 36, positive unconditional: 90, negative: 144, negative conditional: 38, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2958, positive: 354, positive conditional: 354, positive unconditional: 0, negative: 2557, negative conditional: 242, negative unconditional: 2315, unknown: 47, unknown conditional: 47, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2755, Positive cache size: 2682, Positive conditional cache size: 20, Positive unconditional cache size: 2662, Negative cache size: 73, Negative conditional cache size: 27, Negative unconditional cache size: 46, Eliminated conditions: 2315 ], Maximal queried relation: 5, Independence queries for same thread: 295 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 1514, Number of persistent set computation: 4335, Number of trivial persistent sets: 1682, Underlying independence relation: CachedIndependenceRelation.Independence Queries: [ total: 30427, positive: 29369, positive conditional: 0, positive unconditional: 29369, negative: 1058, negative conditional: 0, negative unconditional: 1058, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2708, positive: 2662, positive conditional: 0, positive unconditional: 2662, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2708, positive: 2639, positive conditional: 0, positive unconditional: 2639, negative: 69, negative conditional: 0, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 69, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 116, positive: 43, positive conditional: 20, positive unconditional: 23, negative: 73, negative conditional: 27, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 270, positive: 126, positive conditional: 36, positive unconditional: 90, negative: 144, negative conditional: 38, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 30427, positive: 26707, positive conditional: 0, positive unconditional: 26707, negative: 1012, negative conditional: 0, negative unconditional: 1012, unknown: 2708, unknown conditional: 0, unknown unconditional: 2708] , Statistics on independence cache: Total cache size (in pairs): 2755, Positive cache size: 2682, Positive conditional cache size: 20, Positive unconditional cache size: 2662, Negative cache size: 73, Negative conditional cache size: 27, Negative unconditional cache size: 46 - 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. VerificationResult: SAFE, OverallTime: 4227.4ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.0ms, PartialOrderReductionTime: 3241.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 53, 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: 20.9ms SsaConstructionTime, 150.3ms SatisfiabilityAnalysisTime, 572.3ms InterpolantComputationTime, 283 NumberOfCodeBlocks, 283 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 278 ConstructedInterpolants, 0 QuantifiedInterpolants, 694 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...