/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-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/thin002_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-770125f [2021-05-21 17:27:51,204 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-21 17:27:51,205 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-21 17:27:51,222 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-05-21 17:27:51,229 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-21 17:27:51,229 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-21 17:27:51,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-21 17:27:51,231 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-21 17:27:51,231 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-21 17:27:51,232 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-21 17:27:51,233 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-21 17:27:51,234 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-21 17:27:51,235 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-21 17:27:51,236 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-21 17:27:51,236 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-21 17:27:51,237 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-21 17:27:51,239 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-05-21 17:27:51,243 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-21 17:27:51,244 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-21 17:27:51,244 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-21 17:27:51,246 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-FA-NoLbe.epf [2021-05-21 17:27:51,270 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-21 17:27:51,270 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-21 17:27:51,271 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-05-21 17:27:51,271 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-05-21 17:27:51,273 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-05-21 17:27:51,273 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-05-21 17:27:51,273 INFO L138 SettingsManager]: * Use SBE=true [2021-05-21 17:27:51,273 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-21 17:27:51,273 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-21 17:27:51,273 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-21 17:27:51,274 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-21 17:27:51,274 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-21 17:27:51,274 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-21 17:27:51,274 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-21 17:27:51,274 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-21 17:27:51,274 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-21 17:27:51,274 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-21 17:27:51,274 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-21 17:27:51,274 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-21 17:27:51,274 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-21 17:27:51,274 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-21 17:27:51,275 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-21 17:27:51,275 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-21 17:27:51,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-21 17:27:51,275 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-21 17:27:51,275 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-05-21 17:27:51,275 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-05-21 17:27:51,275 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-21 17:27:51,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-05-21 17:27:51,275 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-05-21 17:27:51,275 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-21 17:27:51,275 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-05-21 17:27:51,499 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-21 17:27:51,519 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-21 17:27:51,521 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-21 17:27:51,522 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-21 17:27:51,522 INFO L275 PluginConnector]: CDTParser initialized [2021-05-21 17:27:51,523 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin002_pso.opt.i [2021-05-21 17:27:51,571 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81046a25a/ac6458117f9945faa7fabdeb3aa68c4f/FLAG5abe46cf6 [2021-05-21 17:27:51,960 INFO L306 CDTParser]: Found 1 translation units. [2021-05-21 17:27:51,961 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_pso.opt.i [2021-05-21 17:27:51,969 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81046a25a/ac6458117f9945faa7fabdeb3aa68c4f/FLAG5abe46cf6 [2021-05-21 17:27:51,978 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81046a25a/ac6458117f9945faa7fabdeb3aa68c4f [2021-05-21 17:27:51,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-21 17:27:51,980 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-05-21 17:27:51,982 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-21 17:27:51,982 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-21 17:27:51,984 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-21 17:27:51,985 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.05 05:27:51" (1/1) ... [2021-05-21 17:27:51,985 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d75f148 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 05:27:51, skipping insertion in model container [2021-05-21 17:27:51,986 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.05 05:27:51" (1/1) ... [2021-05-21 17:27:51,990 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-21 17:27:52,010 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-21 17:27:52,143 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/thin002_pso.opt.i[949,962] [2021-05-21 17:27:52,293 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-21 17:27:52,302 INFO L203 MainTranslator]: Completed pre-run [2021-05-21 17:27:52,311 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/thin002_pso.opt.i[949,962] [2021-05-21 17:27:52,336 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-21 17:27:52,375 INFO L208 MainTranslator]: Completed translation [2021-05-21 17:27:52,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 05:27:52 WrapperNode [2021-05-21 17:27:52,376 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-21 17:27:52,377 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-05-21 17:27:52,377 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-05-21 17:27:52,377 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-05-21 17:27:52,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 05:27:52" (1/1) ... [2021-05-21 17:27:52,390 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 05:27:52" (1/1) ... [2021-05-21 17:27:52,402 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-05-21 17:27:52,403 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-21 17:27:52,403 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-21 17:27:52,403 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-21 17:27:52,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 05:27:52" (1/1) ... [2021-05-21 17:27:52,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 05:27:52" (1/1) ... [2021-05-21 17:27:52,410 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 05:27:52" (1/1) ... [2021-05-21 17:27:52,410 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 05:27:52" (1/1) ... [2021-05-21 17:27:52,413 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 05:27:52" (1/1) ... [2021-05-21 17:27:52,415 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 05:27:52" (1/1) ... [2021-05-21 17:27:52,416 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 05:27:52" (1/1) ... [2021-05-21 17:27:52,417 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-21 17:27:52,418 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-21 17:27:52,418 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-21 17:27:52,418 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-21 17:27:52,419 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 05:27:52" (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 [2021-05-21 17:27:52,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-21 17:27:52,470 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-05-21 17:27:52,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-21 17:27:52,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-21 17:27:52,471 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-05-21 17:27:52,472 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-05-21 17:27:52,472 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-05-21 17:27:52,472 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-05-21 17:27:52,473 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-05-21 17:27:52,473 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-05-21 17:27:52,473 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-05-21 17:27:52,473 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-05-21 17:27:52,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-21 17:27:52,473 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-05-21 17:27:52,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-21 17:27:52,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-21 17:27:52,474 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-05-21 17:27:52,797 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-21 17:27:52,797 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-05-21 17:27:52,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.05 05:27:52 BoogieIcfgContainer [2021-05-21 17:27:52,798 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-21 17:27:52,799 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-21 17:27:52,799 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-21 17:27:52,801 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-21 17:27:52,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.05 05:27:51" (1/3) ... [2021-05-21 17:27:52,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34f2a7bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.05 05:27:52, skipping insertion in model container [2021-05-21 17:27:52,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 05:27:52" (2/3) ... [2021-05-21 17:27:52,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34f2a7bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.05 05:27:52, skipping insertion in model container [2021-05-21 17:27:52,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.05 05:27:52" (3/3) ... [2021-05-21 17:27:52,803 INFO L111 eAbstractionObserver]: Analyzing ICFG thin002_pso.opt.i [2021-05-21 17:27:52,807 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-05-21 17:27:52,807 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-05-21 17:27:52,807 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-05-21 17:27:52,808 INFO L478 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-05-21 17:27:52,840 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,841 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,841 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,841 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,841 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,841 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,841 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,841 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,841 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,842 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,842 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,842 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,842 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,842 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,842 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,842 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,842 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,843 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,843 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,843 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,843 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,843 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,843 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,843 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,844 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,844 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,844 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,844 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,845 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,845 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,845 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,845 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,845 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,845 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,846 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,846 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,846 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,846 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,846 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,846 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,847 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,848 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,848 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,848 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,851 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,852 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,852 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,852 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,854 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,854 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,854 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,854 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,856 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,856 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,856 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,856 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 17:27:52,858 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-05-21 17:27:52,871 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-05-21 17:27:52,884 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-05-21 17:27:52,884 INFO L379 AbstractCegarLoop]: Hoare is false [2021-05-21 17:27:52,884 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-21 17:27:52,884 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-21 17:27:52,884 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-21 17:27:52,884 INFO L383 AbstractCegarLoop]: Difference is false [2021-05-21 17:27:52,884 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-21 17:27:52,885 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-21 17:27:52,891 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 114 places, 103 transitions, 226 flow [2021-05-21 17:28:01,261 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 70046 states, 70044 states have (on average 4.422177488435841) internal successors, (309747), 70045 states have internal predecessors, (309747), 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) [2021-05-21 17:28:01,498 INFO L276 IsEmpty]: Start isEmpty. Operand has 70046 states, 70044 states have (on average 4.422177488435841) internal successors, (309747), 70045 states have internal predecessors, (309747), 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) [2021-05-21 17:28:01,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-05-21 17:28:01,572 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 17:28:01,573 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 17:28:01,573 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 17:28:01,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 17:28:01,579 INFO L82 PathProgramCache]: Analyzing trace with hash -190192830, now seen corresponding path program 1 times [2021-05-21 17:28:01,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 17:28:01,585 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70890777] [2021-05-21 17:28:01,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 17:28:01,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 17:28:02,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 17:28:02,003 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 17:28:02,003 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70890777] [2021-05-21 17:28:02,004 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70890777] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 17:28:02,004 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 17:28:02,004 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-05-21 17:28:02,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091420848] [2021-05-21 17:28:02,007 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-05-21 17:28:02,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 17:28:02,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-05-21 17:28:02,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-05-21 17:28:02,096 INFO L87 Difference]: Start difference. First operand has 70046 states, 70044 states have (on average 4.422177488435841) internal successors, (309747), 70045 states have internal predecessors, (309747), 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) Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:28:03,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 17:28:03,015 INFO L93 Difference]: Finished difference Result 93713 states and 406277 transitions. [2021-05-21 17:28:03,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-21 17:28:03,018 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2021-05-21 17:28:03,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 17:28:03,200 INFO L225 Difference]: With dead ends: 93713 [2021-05-21 17:28:03,200 INFO L226 Difference]: Without dead ends: 32316 [2021-05-21 17:28:03,201 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 229.7ms TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-05-21 17:28:03,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32316 states. [2021-05-21 17:28:04,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32316 to 32316. [2021-05-21 17:28:04,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32316 states, 32315 states have (on average 4.247779668884419) internal successors, (137267), 32315 states have internal predecessors, (137267), 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) [2021-05-21 17:28:05,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32316 states to 32316 states and 137267 transitions. [2021-05-21 17:28:05,017 INFO L78 Accepts]: Start accepts. Automaton has 32316 states and 137267 transitions. Word has length 59 [2021-05-21 17:28:05,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 17:28:05,019 INFO L482 AbstractCegarLoop]: Abstraction has 32316 states and 137267 transitions. [2021-05-21 17:28:05,020 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:28:05,020 INFO L276 IsEmpty]: Start isEmpty. Operand 32316 states and 137267 transitions. [2021-05-21 17:28:05,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-05-21 17:28:05,063 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 17:28:05,063 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 17:28:05,063 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-21 17:28:05,064 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 17:28:05,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 17:28:05,066 INFO L82 PathProgramCache]: Analyzing trace with hash -1901105981, now seen corresponding path program 1 times [2021-05-21 17:28:05,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 17:28:05,067 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349937337] [2021-05-21 17:28:05,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 17:28:05,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 17:28:05,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 17:28:05,259 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 17:28:05,259 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349937337] [2021-05-21 17:28:05,260 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349937337] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 17:28:05,260 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 17:28:05,260 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-05-21 17:28:05,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641216499] [2021-05-21 17:28:05,261 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-05-21 17:28:05,262 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 17:28:05,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-05-21 17:28:05,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-05-21 17:28:05,264 INFO L87 Difference]: Start difference. First operand 32316 states and 137267 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 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) [2021-05-21 17:28:05,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 17:28:05,999 INFO L93 Difference]: Finished difference Result 36236 states and 152758 transitions. [2021-05-21 17:28:06,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-21 17:28:06,000 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 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) Word has length 61 [2021-05-21 17:28:06,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 17:28:06,095 INFO L225 Difference]: With dead ends: 36236 [2021-05-21 17:28:06,096 INFO L226 Difference]: Without dead ends: 29376 [2021-05-21 17:28:06,096 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 164.4ms TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-05-21 17:28:06,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29376 states. [2021-05-21 17:28:06,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29376 to 29376. [2021-05-21 17:28:06,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29376 states, 29375 states have (on average 4.221106382978723) internal successors, (123995), 29375 states have internal predecessors, (123995), 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) [2021-05-21 17:28:07,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29376 states to 29376 states and 123995 transitions. [2021-05-21 17:28:07,240 INFO L78 Accepts]: Start accepts. Automaton has 29376 states and 123995 transitions. Word has length 61 [2021-05-21 17:28:07,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 17:28:07,240 INFO L482 AbstractCegarLoop]: Abstraction has 29376 states and 123995 transitions. [2021-05-21 17:28:07,241 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 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) [2021-05-21 17:28:07,241 INFO L276 IsEmpty]: Start isEmpty. Operand 29376 states and 123995 transitions. [2021-05-21 17:28:07,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-05-21 17:28:07,289 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 17:28:07,289 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 17:28:07,290 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-05-21 17:28:07,290 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 17:28:07,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 17:28:07,290 INFO L82 PathProgramCache]: Analyzing trace with hash 1062827298, now seen corresponding path program 1 times [2021-05-21 17:28:07,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 17:28:07,291 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288358877] [2021-05-21 17:28:07,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 17:28:07,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 17:28:07,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 17:28:07,438 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 17:28:07,439 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288358877] [2021-05-21 17:28:07,439 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288358877] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 17:28:07,439 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 17:28:07,439 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-05-21 17:28:07,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549658589] [2021-05-21 17:28:07,439 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-05-21 17:28:07,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 17:28:07,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-05-21 17:28:07,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-05-21 17:28:07,441 INFO L87 Difference]: Start difference. First operand 29376 states and 123995 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:28:08,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 17:28:08,000 INFO L93 Difference]: Finished difference Result 40086 states and 167243 transitions. [2021-05-21 17:28:08,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-21 17:28:08,001 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2021-05-21 17:28:08,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 17:28:08,074 INFO L225 Difference]: With dead ends: 40086 [2021-05-21 17:28:08,074 INFO L226 Difference]: Without dead ends: 19506 [2021-05-21 17:28:08,075 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 180.9ms TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2021-05-21 17:28:08,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19506 states. [2021-05-21 17:28:08,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19506 to 19506. [2021-05-21 17:28:08,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19506 states, 19505 states have (on average 4.092284029735965) internal successors, (79820), 19505 states have internal predecessors, (79820), 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) [2021-05-21 17:28:08,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19506 states to 19506 states and 79820 transitions. [2021-05-21 17:28:08,559 INFO L78 Accepts]: Start accepts. Automaton has 19506 states and 79820 transitions. Word has length 63 [2021-05-21 17:28:08,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 17:28:08,559 INFO L482 AbstractCegarLoop]: Abstraction has 19506 states and 79820 transitions. [2021-05-21 17:28:08,559 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-21 17:28:08,559 INFO L276 IsEmpty]: Start isEmpty. Operand 19506 states and 79820 transitions. [2021-05-21 17:28:08,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-05-21 17:28:08,593 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 17:28:08,593 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 17:28:08,593 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-05-21 17:28:08,593 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 17:28:08,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 17:28:08,594 INFO L82 PathProgramCache]: Analyzing trace with hash -719271399, now seen corresponding path program 1 times [2021-05-21 17:28:08,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 17:28:08,594 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031460584] [2021-05-21 17:28:08,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 17:28:08,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 17:28:08,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 17:28:08,907 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 17:28:08,907 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031460584] [2021-05-21 17:28:08,907 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031460584] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 17:28:08,907 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 17:28:08,907 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-05-21 17:28:08,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605599709] [2021-05-21 17:28:08,908 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-05-21 17:28:08,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 17:28:08,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-05-21 17:28:08,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-05-21 17:28:08,908 INFO L87 Difference]: Start difference. First operand 19506 states and 79820 transitions. Second operand has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 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) [2021-05-21 17:28:09,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 17:28:09,199 INFO L93 Difference]: Finished difference Result 28186 states and 115330 transitions. [2021-05-21 17:28:09,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-21 17:28:09,200 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 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) Word has length 66 [2021-05-21 17:28:09,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 17:28:09,232 INFO L225 Difference]: With dead ends: 28186 [2021-05-21 17:28:09,232 INFO L226 Difference]: Without dead ends: 11911 [2021-05-21 17:28:09,232 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 375.2ms TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2021-05-21 17:28:09,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11911 states. [2021-05-21 17:28:09,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11911 to 11911. [2021-05-21 17:28:09,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11911 states, 11910 states have (on average 4.041813602015114) internal successors, (48138), 11910 states have internal predecessors, (48138), 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) [2021-05-21 17:28:09,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11911 states to 11911 states and 48138 transitions. [2021-05-21 17:28:09,466 INFO L78 Accepts]: Start accepts. Automaton has 11911 states and 48138 transitions. Word has length 66 [2021-05-21 17:28:09,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 17:28:09,466 INFO L482 AbstractCegarLoop]: Abstraction has 11911 states and 48138 transitions. [2021-05-21 17:28:09,466 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 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) [2021-05-21 17:28:09,466 INFO L276 IsEmpty]: Start isEmpty. Operand 11911 states and 48138 transitions. [2021-05-21 17:28:09,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-05-21 17:28:09,482 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 17:28:09,482 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 17:28:09,482 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-05-21 17:28:09,482 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 17:28:09,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 17:28:09,483 INFO L82 PathProgramCache]: Analyzing trace with hash -1694784545, now seen corresponding path program 1 times [2021-05-21 17:28:09,483 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 17:28:09,483 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252084056] [2021-05-21 17:28:09,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 17:28:09,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 17:28:09,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 17:28:09,574 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 17:28:09,575 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252084056] [2021-05-21 17:28:09,575 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252084056] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 17:28:09,575 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 17:28:09,575 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-05-21 17:28:09,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679172506] [2021-05-21 17:28:09,575 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-05-21 17:28:09,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 17:28:09,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-05-21 17:28:09,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-05-21 17:28:09,576 INFO L87 Difference]: Start difference. First operand 11911 states and 48138 transitions. Second operand 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) [2021-05-21 17:28:09,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 17:28:09,866 INFO L93 Difference]: Finished difference Result 13191 states and 52922 transitions. [2021-05-21 17:28:09,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-21 17:28:09,867 INFO L78 Accepts]: Start accepts. 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) Word has length 67 [2021-05-21 17:28:09,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 17:28:09,894 INFO L225 Difference]: With dead ends: 13191 [2021-05-21 17:28:09,894 INFO L226 Difference]: Without dead ends: 10951 [2021-05-21 17:28:09,895 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 128.2ms TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-05-21 17:28:09,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10951 states. [2021-05-21 17:28:10,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10951 to 10951. [2021-05-21 17:28:10,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10951 states, 10950 states have (on average 4.019178082191781) internal successors, (44010), 10950 states have internal predecessors, (44010), 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) [2021-05-21 17:28:10,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10951 states to 10951 states and 44010 transitions. [2021-05-21 17:28:10,109 INFO L78 Accepts]: Start accepts. Automaton has 10951 states and 44010 transitions. Word has length 67 [2021-05-21 17:28:10,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 17:28:10,109 INFO L482 AbstractCegarLoop]: Abstraction has 10951 states and 44010 transitions. [2021-05-21 17:28:10,109 INFO L483 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) [2021-05-21 17:28:10,110 INFO L276 IsEmpty]: Start isEmpty. Operand 10951 states and 44010 transitions. [2021-05-21 17:28:10,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-05-21 17:28:10,126 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 17:28:10,126 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 17:28:10,126 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-05-21 17:28:10,126 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 17:28:10,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 17:28:10,127 INFO L82 PathProgramCache]: Analyzing trace with hash 1575356882, now seen corresponding path program 1 times [2021-05-21 17:28:10,127 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 17:28:10,127 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616757200] [2021-05-21 17:28:10,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 17:28:10,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 17:28:10,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 17:28:10,195 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 17:28:10,195 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616757200] [2021-05-21 17:28:10,195 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616757200] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 17:28:10,195 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 17:28:10,195 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-05-21 17:28:10,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889223526] [2021-05-21 17:28:10,196 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-05-21 17:28:10,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 17:28:10,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-05-21 17:28:10,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-05-21 17:28:10,196 INFO L87 Difference]: Start difference. First operand 10951 states and 44010 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 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) [2021-05-21 17:28:10,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 17:28:10,460 INFO L93 Difference]: Finished difference Result 18151 states and 72990 transitions. [2021-05-21 17:28:10,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-21 17:28:10,481 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 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) Word has length 69 [2021-05-21 17:28:10,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 17:28:10,521 INFO L225 Difference]: With dead ends: 18151 [2021-05-21 17:28:10,521 INFO L226 Difference]: Without dead ends: 13351 [2021-05-21 17:28:10,522 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 124.0ms TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2021-05-21 17:28:10,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13351 states. [2021-05-21 17:28:10,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13351 to 10951. [2021-05-21 17:28:10,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10951 states, 10950 states have (on average 4.007488584474886) internal successors, (43882), 10950 states have internal predecessors, (43882), 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) [2021-05-21 17:28:10,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10951 states to 10951 states and 43882 transitions. [2021-05-21 17:28:10,760 INFO L78 Accepts]: Start accepts. Automaton has 10951 states and 43882 transitions. Word has length 69 [2021-05-21 17:28:10,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 17:28:10,761 INFO L482 AbstractCegarLoop]: Abstraction has 10951 states and 43882 transitions. [2021-05-21 17:28:10,761 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 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) [2021-05-21 17:28:10,761 INFO L276 IsEmpty]: Start isEmpty. Operand 10951 states and 43882 transitions. [2021-05-21 17:28:10,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-05-21 17:28:10,775 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 17:28:10,775 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 17:28:10,776 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-05-21 17:28:10,776 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 17:28:10,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 17:28:10,776 INFO L82 PathProgramCache]: Analyzing trace with hash 395390428, now seen corresponding path program 2 times [2021-05-21 17:28:10,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 17:28:10,776 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188504337] [2021-05-21 17:28:10,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 17:28:10,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 17:28:10,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 17:28:10,843 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 17:28:10,843 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188504337] [2021-05-21 17:28:10,843 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188504337] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 17:28:10,843 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 17:28:10,843 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-05-21 17:28:10,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364540521] [2021-05-21 17:28:10,844 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-05-21 17:28:10,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 17:28:10,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-05-21 17:28:10,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-05-21 17:28:10,844 INFO L87 Difference]: Start difference. First operand 10951 states and 43882 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 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) [2021-05-21 17:28:10,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 17:28:10,991 INFO L93 Difference]: Finished difference Result 14631 states and 58426 transitions. [2021-05-21 17:28:10,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-21 17:28:10,992 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 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) Word has length 69 [2021-05-21 17:28:10,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 17:28:11,009 INFO L225 Difference]: With dead ends: 14631 [2021-05-21 17:28:11,009 INFO L226 Difference]: Without dead ends: 6971 [2021-05-21 17:28:11,010 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 95.6ms TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2021-05-21 17:28:11,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6971 states. [2021-05-21 17:28:11,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6971 to 6971. [2021-05-21 17:28:11,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6971 states, 6970 states have (on average 3.9176470588235293) internal successors, (27306), 6970 states have internal predecessors, (27306), 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) [2021-05-21 17:28:11,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6971 states to 6971 states and 27306 transitions. [2021-05-21 17:28:11,272 INFO L78 Accepts]: Start accepts. Automaton has 6971 states and 27306 transitions. Word has length 69 [2021-05-21 17:28:11,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 17:28:11,273 INFO L482 AbstractCegarLoop]: Abstraction has 6971 states and 27306 transitions. [2021-05-21 17:28:11,273 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 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) [2021-05-21 17:28:11,275 INFO L276 IsEmpty]: Start isEmpty. Operand 6971 states and 27306 transitions. [2021-05-21 17:28:11,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-05-21 17:28:11,289 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 17:28:11,289 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 17:28:11,289 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-05-21 17:28:11,289 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 17:28:11,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 17:28:11,290 INFO L82 PathProgramCache]: Analyzing trace with hash 509402872, now seen corresponding path program 1 times [2021-05-21 17:28:11,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 17:28:11,290 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371890319] [2021-05-21 17:28:11,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 17:28:11,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 17:28:11,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 17:28:11,402 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 17:28:11,402 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371890319] [2021-05-21 17:28:11,403 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371890319] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 17:28:11,405 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 17:28:11,405 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-05-21 17:28:11,405 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303319747] [2021-05-21 17:28:11,405 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-05-21 17:28:11,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 17:28:11,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-05-21 17:28:11,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-05-21 17:28:11,406 INFO L87 Difference]: Start difference. First operand 6971 states and 27306 transitions. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 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) [2021-05-21 17:28:11,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 17:28:11,523 INFO L93 Difference]: Finished difference Result 6331 states and 24714 transitions. [2021-05-21 17:28:11,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-21 17:28:11,523 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 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) Word has length 70 [2021-05-21 17:28:11,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 17:28:11,524 INFO L225 Difference]: With dead ends: 6331 [2021-05-21 17:28:11,524 INFO L226 Difference]: Without dead ends: 0 [2021-05-21 17:28:11,524 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 103.9ms TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2021-05-21 17:28:11,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-05-21 17:28:11,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-05-21 17:28:11,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-05-21 17:28:11,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-05-21 17:28:11,525 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2021-05-21 17:28:11,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 17:28:11,525 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-05-21 17:28:11,525 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 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) [2021-05-21 17:28:11,525 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-05-21 17:28:11,525 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-05-21 17:28:11,525 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-05-21 17:28:11,527 INFO L246 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-05-21 17:28:11,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.05 05:28:11 BasicIcfg [2021-05-21 17:28:11,528 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-21 17:28:11,529 INFO L168 Benchmark]: Toolchain (without parser) took 19548.41 ms. Allocated memory was 362.8 MB in the beginning and 9.5 GB in the end (delta: 9.1 GB). Free memory was 325.7 MB in the beginning and 8.3 GB in the end (delta: -7.9 GB). Peak memory consumption was 1.2 GB. Max. memory is 16.0 GB. [2021-05-21 17:28:11,531 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 362.8 MB. Free memory is still 343.9 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-05-21 17:28:11,532 INFO L168 Benchmark]: CACSL2BoogieTranslator took 394.63 ms. Allocated memory is still 362.8 MB. Free memory was 325.6 MB in the beginning and 325.3 MB in the end (delta: 242.7 kB). Peak memory consumption was 8.7 MB. Max. memory is 16.0 GB. [2021-05-21 17:28:11,533 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.53 ms. Allocated memory is still 362.8 MB. Free memory was 325.3 MB in the beginning and 323.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-05-21 17:28:11,534 INFO L168 Benchmark]: Boogie Preprocessor took 14.76 ms. Allocated memory is still 362.8 MB. Free memory was 323.4 MB in the beginning and 322.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-05-21 17:28:11,534 INFO L168 Benchmark]: RCFGBuilder took 380.50 ms. Allocated memory is still 362.8 MB. Free memory was 322.3 MB in the beginning and 295.1 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. [2021-05-21 17:28:11,535 INFO L168 Benchmark]: TraceAbstraction took 18728.89 ms. Allocated memory was 362.8 MB in the beginning and 9.5 GB in the end (delta: 9.1 GB). Free memory was 294.0 MB in the beginning and 8.3 GB in the end (delta: -8.0 GB). Peak memory consumption was 1.2 GB. Max. memory is 16.0 GB. [2021-05-21 17:28:11,542 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 362.8 MB. Free memory is still 343.9 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 394.63 ms. Allocated memory is still 362.8 MB. Free memory was 325.6 MB in the beginning and 325.3 MB in the end (delta: 242.7 kB). Peak memory consumption was 8.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 25.53 ms. Allocated memory is still 362.8 MB. Free memory was 325.3 MB in the beginning and 323.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 14.76 ms. Allocated memory is still 362.8 MB. Free memory was 323.4 MB in the beginning and 322.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 380.50 ms. Allocated memory is still 362.8 MB. Free memory was 322.3 MB in the beginning and 295.1 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 18728.89 ms. Allocated memory was 362.8 MB in the beginning and 9.5 GB in the end (delta: 9.1 GB). Free memory was 294.0 MB in the beginning and 8.3 GB in the end (delta: -8.0 GB). Peak memory consumption was 1.2 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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 with 1 thread instances CFG has 9 procedures, 134 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18643.3ms, OverallIterations: 8, TraceHistogramMax: 1, EmptinessCheckTime: 496.3ms, AutomataDifference: 3916.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8377.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1079 SDtfs, 1849 SDslu, 3760 SDs, 0 SdLazy, 255 SolverSat, 34 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 312.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 1402.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=70046occurred in iteration=0, InterpolantAutomatonStates: 84, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 4383.2ms AutomataMinimizationTime, 8 MinimizatonAttempts, 2400 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 26.1ms SsaConstructionTime, 163.8ms SatisfiabilityAnalysisTime, 1131.0ms InterpolantComputationTime, 524 NumberOfCodeBlocks, 524 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 516 ConstructedInterpolants, 0 QuantifiedInterpolants, 2688 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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...