/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe003_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-60729f1 [2020-11-11 18:04:12,946 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-11 18:04:12,949 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-11 18:04:12,997 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-11 18:04:12,998 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-11 18:04:13,002 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-11 18:04:13,006 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-11 18:04:13,014 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-11 18:04:13,018 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-11 18:04:13,026 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-11 18:04:13,027 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-11 18:04:13,028 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-11 18:04:13,028 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-11 18:04:13,029 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-11 18:04:13,031 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-11 18:04:13,032 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-11 18:04:13,033 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-11 18:04:13,034 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-11 18:04:13,036 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-11 18:04:13,039 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-11 18:04:13,041 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-11 18:04:13,042 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-11 18:04:13,044 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-11 18:04:13,045 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-11 18:04:13,048 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-11 18:04:13,052 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-11 18:04:13,053 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-11 18:04:13,054 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-11 18:04:13,055 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-11 18:04:13,056 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-11 18:04:13,057 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-11 18:04:13,058 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-11 18:04:13,058 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-11 18:04:13,058 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-11 18:04:13,060 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-11 18:04:13,060 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-11 18:04:13,063 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 [2020-11-11 18:04:13,098 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-11 18:04:13,098 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-11 18:04:13,100 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-11 18:04:13,100 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-11 18:04:13,100 INFO L138 SettingsManager]: * Use SBE=true [2020-11-11 18:04:13,100 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-11 18:04:13,101 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-11 18:04:13,101 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-11 18:04:13,101 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-11 18:04:13,101 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-11 18:04:13,102 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-11 18:04:13,102 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-11 18:04:13,102 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-11 18:04:13,102 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-11 18:04:13,102 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-11 18:04:13,103 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-11 18:04:13,103 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-11 18:04:13,103 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-11 18:04:13,103 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-11 18:04:13,103 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-11 18:04:13,104 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-11 18:04:13,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-11 18:04:13,104 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-11 18:04:13,104 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-11 18:04:13,105 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-11 18:04:13,105 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-11 18:04:13,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-11 18:04:13,105 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-11-11 18:04:13,106 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-11 18:04:13,106 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-11 18:04:13,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-11 18:04:13,577 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-11 18:04:13,582 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-11 18:04:13,585 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-11 18:04:13,586 INFO L275 PluginConnector]: CDTParser initialized [2020-11-11 18:04:13,587 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe003_tso.opt.i [2020-11-11 18:04:13,664 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36436b406/d1f001e71e7a4f1fb185106bca1c7ae3/FLAGaabd2eabf [2020-11-11 18:04:14,406 INFO L306 CDTParser]: Found 1 translation units. [2020-11-11 18:04:14,406 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe003_tso.opt.i [2020-11-11 18:04:14,433 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36436b406/d1f001e71e7a4f1fb185106bca1c7ae3/FLAGaabd2eabf [2020-11-11 18:04:14,673 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36436b406/d1f001e71e7a4f1fb185106bca1c7ae3 [2020-11-11 18:04:14,676 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-11 18:04:14,683 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-11 18:04:14,685 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-11 18:04:14,686 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-11 18:04:14,690 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-11 18:04:14,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 06:04:14" (1/1) ... [2020-11-11 18:04:14,694 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55fcf37a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:04:14, skipping insertion in model container [2020-11-11 18:04:14,695 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 06:04:14" (1/1) ... [2020-11-11 18:04:14,704 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-11 18:04:14,748 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-11 18:04:15,188 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-11 18:04:15,203 INFO L203 MainTranslator]: Completed pre-run [2020-11-11 18:04:15,256 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-11 18:04:15,355 INFO L208 MainTranslator]: Completed translation [2020-11-11 18:04:15,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:04:15 WrapperNode [2020-11-11 18:04:15,356 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-11 18:04:15,357 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-11 18:04:15,357 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-11 18:04:15,358 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-11 18:04:15,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:04:15" (1/1) ... [2020-11-11 18:04:15,383 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:04:15" (1/1) ... [2020-11-11 18:04:15,407 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-11 18:04:15,408 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-11 18:04:15,408 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-11 18:04:15,408 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-11 18:04:15,418 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:04:15" (1/1) ... [2020-11-11 18:04:15,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:04:15" (1/1) ... [2020-11-11 18:04:15,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:04:15" (1/1) ... [2020-11-11 18:04:15,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:04:15" (1/1) ... [2020-11-11 18:04:15,442 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:04:15" (1/1) ... [2020-11-11 18:04:15,449 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:04:15" (1/1) ... [2020-11-11 18:04:15,453 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:04:15" (1/1) ... [2020-11-11 18:04:15,459 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-11 18:04:15,465 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-11 18:04:15,465 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-11 18:04:15,466 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-11 18:04:15,467 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:04:15" (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 [2020-11-11 18:04:15,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-11 18:04:15,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-11 18:04:15,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-11 18:04:15,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-11 18:04:15,564 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-11-11 18:04:15,565 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-11-11 18:04:15,565 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-11-11 18:04:15,566 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-11-11 18:04:15,567 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-11-11 18:04:15,568 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-11-11 18:04:15,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-11 18:04:15,568 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-11 18:04:15,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-11 18:04:15,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-11 18:04:15,571 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-11 18:04:16,206 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-11 18:04:16,206 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-11 18:04:16,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 06:04:16 BoogieIcfgContainer [2020-11-11 18:04:16,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-11 18:04:16,211 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-11 18:04:16,211 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-11 18:04:16,215 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-11 18:04:16,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.11 06:04:14" (1/3) ... [2020-11-11 18:04:16,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22f9ba0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 06:04:16, skipping insertion in model container [2020-11-11 18:04:16,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 06:04:15" (2/3) ... [2020-11-11 18:04:16,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22f9ba0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 06:04:16, skipping insertion in model container [2020-11-11 18:04:16,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 06:04:16" (3/3) ... [2020-11-11 18:04:16,219 INFO L111 eAbstractionObserver]: Analyzing ICFG safe003_tso.opt.i [2020-11-11 18:04:16,236 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-11 18:04:16,236 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-11 18:04:16,240 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-11 18:04:16,241 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-11 18:04:16,271 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:04:16,271 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:04:16,271 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:04:16,272 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:04:16,272 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:04:16,272 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:04:16,272 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:04:16,273 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:04:16,273 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:04:16,273 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:04:16,274 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:04:16,274 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:04:16,274 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:04:16,275 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:04:16,275 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:04:16,275 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:04:16,275 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:04:16,275 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:04:16,276 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:04:16,276 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:04:16,276 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:04:16,277 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:04:16,277 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:04:16,277 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:04:16,278 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:04:16,278 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:04:16,278 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:04:16,278 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:04:16,278 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:04:16,279 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:04:16,279 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:04:16,279 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:04:16,280 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:04:16,280 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:04:16,280 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:04:16,280 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:04:16,283 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:04:16,283 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:04:16,283 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:04:16,284 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:04:16,295 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:04:16,296 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:04:16,296 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:04:16,296 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:04:16,299 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:04:16,299 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:04:16,299 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:04:16,299 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 18:04:16,301 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-11 18:04:16,315 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-11-11 18:04:16,339 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-11 18:04:16,339 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-11 18:04:16,339 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-11 18:04:16,340 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-11 18:04:16,340 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-11 18:04:16,340 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-11 18:04:16,340 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-11 18:04:16,340 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-11 18:04:16,354 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 86 places, 79 transitions, 173 flow [2020-11-11 18:04:17,277 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 9848 states, 9846 states have (on average 3.614665854153971) internal successors, (35590), 9847 states have internal predecessors, (35590), 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) [2020-11-11 18:04:17,322 INFO L276 IsEmpty]: Start isEmpty. Operand has 9848 states, 9846 states have (on average 3.614665854153971) internal successors, (35590), 9847 states have internal predecessors, (35590), 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) [2020-11-11 18:04:17,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-11 18:04:17,388 INFO L486 BasicCegarLoop]: Found error trace [2020-11-11 18:04:17,389 INFO L494 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] [2020-11-11 18:04:17,390 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-11 18:04:17,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-11 18:04:17,398 INFO L82 PathProgramCache]: Analyzing trace with hash 1557079206, now seen corresponding path program 1 times [2020-11-11 18:04:17,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-11 18:04:17,410 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687626450] [2020-11-11 18:04:17,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-11 18:04:17,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-11 18:04:17,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-11 18:04:17,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687626450] [2020-11-11 18:04:17,985 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-11 18:04:17,985 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-11 18:04:17,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326084668] [2020-11-11 18:04:17,993 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-11 18:04:17,994 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-11 18:04:18,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-11 18:04:18,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-11 18:04:18,095 INFO L87 Difference]: Start difference. First operand has 9848 states, 9846 states have (on average 3.614665854153971) internal successors, (35590), 9847 states have internal predecessors, (35590), 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 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 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) [2020-11-11 18:04:18,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-11 18:04:18,473 INFO L93 Difference]: Finished difference Result 11318 states and 39237 transitions. [2020-11-11 18:04:18,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-11 18:04:18,476 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 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 42 [2020-11-11 18:04:18,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-11 18:04:18,552 INFO L225 Difference]: With dead ends: 11318 [2020-11-11 18:04:18,553 INFO L226 Difference]: Without dead ends: 4213 [2020-11-11 18:04:18,555 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-11 18:04:18,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4213 states. [2020-11-11 18:04:18,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4213 to 4213. [2020-11-11 18:04:19,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4213 states, 4212 states have (on average 3.3874643874643873) internal successors, (14268), 4212 states have internal predecessors, (14268), 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) [2020-11-11 18:04:19,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4213 states to 4213 states and 14268 transitions. [2020-11-11 18:04:19,045 INFO L78 Accepts]: Start accepts. Automaton has 4213 states and 14268 transitions. Word has length 42 [2020-11-11 18:04:19,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-11 18:04:19,046 INFO L481 AbstractCegarLoop]: Abstraction has 4213 states and 14268 transitions. [2020-11-11 18:04:19,046 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 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) [2020-11-11 18:04:19,046 INFO L276 IsEmpty]: Start isEmpty. Operand 4213 states and 14268 transitions. [2020-11-11 18:04:19,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-11 18:04:19,058 INFO L486 BasicCegarLoop]: Found error trace [2020-11-11 18:04:19,058 INFO L494 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] [2020-11-11 18:04:19,059 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-11 18:04:19,059 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-11 18:04:19,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-11 18:04:19,060 INFO L82 PathProgramCache]: Analyzing trace with hash 348820663, now seen corresponding path program 1 times [2020-11-11 18:04:19,060 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-11 18:04:19,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554256188] [2020-11-11 18:04:19,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-11 18:04:19,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-11 18:04:19,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-11 18:04:19,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554256188] [2020-11-11 18:04:19,274 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-11 18:04:19,274 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-11 18:04:19,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368095489] [2020-11-11 18:04:19,276 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-11 18:04:19,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-11 18:04:19,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-11 18:04:19,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-11 18:04:19,278 INFO L87 Difference]: Start difference. First operand 4213 states and 14268 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 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) [2020-11-11 18:04:19,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-11 18:04:19,589 INFO L93 Difference]: Finished difference Result 6009 states and 20215 transitions. [2020-11-11 18:04:19,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-11 18:04:19,590 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 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 45 [2020-11-11 18:04:19,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-11 18:04:19,626 INFO L225 Difference]: With dead ends: 6009 [2020-11-11 18:04:19,627 INFO L226 Difference]: Without dead ends: 3853 [2020-11-11 18:04:19,628 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2020-11-11 18:04:19,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3853 states. [2020-11-11 18:04:19,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3853 to 3853. [2020-11-11 18:04:19,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3853 states, 3852 states have (on average 3.3489096573208723) internal successors, (12900), 3852 states have internal predecessors, (12900), 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) [2020-11-11 18:04:19,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3853 states to 3853 states and 12900 transitions. [2020-11-11 18:04:19,847 INFO L78 Accepts]: Start accepts. Automaton has 3853 states and 12900 transitions. Word has length 45 [2020-11-11 18:04:19,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-11 18:04:19,847 INFO L481 AbstractCegarLoop]: Abstraction has 3853 states and 12900 transitions. [2020-11-11 18:04:19,848 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 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) [2020-11-11 18:04:19,848 INFO L276 IsEmpty]: Start isEmpty. Operand 3853 states and 12900 transitions. [2020-11-11 18:04:19,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-11 18:04:19,861 INFO L486 BasicCegarLoop]: Found error trace [2020-11-11 18:04:19,861 INFO L494 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] [2020-11-11 18:04:19,862 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-11 18:04:19,862 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-11 18:04:19,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-11 18:04:19,863 INFO L82 PathProgramCache]: Analyzing trace with hash 1147073206, now seen corresponding path program 1 times [2020-11-11 18:04:19,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-11 18:04:19,863 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586682166] [2020-11-11 18:04:19,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-11 18:04:19,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-11 18:04:20,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-11 18:04:20,002 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586682166] [2020-11-11 18:04:20,003 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-11 18:04:20,003 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-11 18:04:20,003 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292391466] [2020-11-11 18:04:20,004 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-11 18:04:20,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-11 18:04:20,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-11 18:04:20,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-11 18:04:20,006 INFO L87 Difference]: Start difference. First operand 3853 states and 12900 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 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) [2020-11-11 18:04:20,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-11 18:04:20,328 INFO L93 Difference]: Finished difference Result 7073 states and 23211 transitions. [2020-11-11 18:04:20,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-11 18:04:20,329 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 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 47 [2020-11-11 18:04:20,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-11 18:04:20,365 INFO L225 Difference]: With dead ends: 7073 [2020-11-11 18:04:20,365 INFO L226 Difference]: Without dead ends: 4153 [2020-11-11 18:04:20,367 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2020-11-11 18:04:20,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4153 states. [2020-11-11 18:04:20,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4153 to 2953. [2020-11-11 18:04:20,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2953 states, 2952 states have (on average 3.238482384823848) internal successors, (9560), 2952 states have internal predecessors, (9560), 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) [2020-11-11 18:04:20,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2953 states to 2953 states and 9560 transitions. [2020-11-11 18:04:20,504 INFO L78 Accepts]: Start accepts. Automaton has 2953 states and 9560 transitions. Word has length 47 [2020-11-11 18:04:20,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-11 18:04:20,506 INFO L481 AbstractCegarLoop]: Abstraction has 2953 states and 9560 transitions. [2020-11-11 18:04:20,507 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 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) [2020-11-11 18:04:20,507 INFO L276 IsEmpty]: Start isEmpty. Operand 2953 states and 9560 transitions. [2020-11-11 18:04:20,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-11 18:04:20,516 INFO L486 BasicCegarLoop]: Found error trace [2020-11-11 18:04:20,516 INFO L494 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] [2020-11-11 18:04:20,516 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-11 18:04:20,516 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-11 18:04:20,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-11 18:04:20,519 INFO L82 PathProgramCache]: Analyzing trace with hash -1202989078, now seen corresponding path program 1 times [2020-11-11 18:04:20,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-11 18:04:20,520 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273864882] [2020-11-11 18:04:20,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-11 18:04:20,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-11 18:04:20,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-11 18:04:20,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273864882] [2020-11-11 18:04:20,732 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-11 18:04:20,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-11 18:04:20,733 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010456533] [2020-11-11 18:04:20,733 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-11 18:04:20,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-11 18:04:20,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-11 18:04:20,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-11 18:04:20,735 INFO L87 Difference]: Start difference. First operand 2953 states and 9560 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 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) [2020-11-11 18:04:20,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-11 18:04:20,889 INFO L93 Difference]: Finished difference Result 4025 states and 12912 transitions. [2020-11-11 18:04:20,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-11 18:04:20,890 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 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 48 [2020-11-11 18:04:20,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-11 18:04:20,905 INFO L225 Difference]: With dead ends: 4025 [2020-11-11 18:04:20,905 INFO L226 Difference]: Without dead ends: 1802 [2020-11-11 18:04:20,905 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-11 18:04:20,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1802 states. [2020-11-11 18:04:20,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1802 to 1802. [2020-11-11 18:04:20,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1802 states, 1801 states have (on average 3.16435313714603) internal successors, (5699), 1801 states have internal predecessors, (5699), 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) [2020-11-11 18:04:20,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1802 states to 1802 states and 5699 transitions. [2020-11-11 18:04:20,971 INFO L78 Accepts]: Start accepts. Automaton has 1802 states and 5699 transitions. Word has length 48 [2020-11-11 18:04:20,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-11 18:04:20,972 INFO L481 AbstractCegarLoop]: Abstraction has 1802 states and 5699 transitions. [2020-11-11 18:04:20,972 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 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) [2020-11-11 18:04:20,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1802 states and 5699 transitions. [2020-11-11 18:04:20,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-11 18:04:20,977 INFO L486 BasicCegarLoop]: Found error trace [2020-11-11 18:04:20,977 INFO L494 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] [2020-11-11 18:04:20,977 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-11 18:04:20,978 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-11 18:04:20,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-11 18:04:20,978 INFO L82 PathProgramCache]: Analyzing trace with hash -1518373285, now seen corresponding path program 1 times [2020-11-11 18:04:20,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-11 18:04:20,979 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263355720] [2020-11-11 18:04:20,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-11 18:04:21,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-11 18:04:21,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-11 18:04:21,099 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263355720] [2020-11-11 18:04:21,099 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-11 18:04:21,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-11 18:04:21,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042257306] [2020-11-11 18:04:21,100 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-11 18:04:21,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-11 18:04:21,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-11 18:04:21,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-11 18:04:21,102 INFO L87 Difference]: Start difference. First operand 1802 states and 5699 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:04:21,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-11 18:04:21,252 INFO L93 Difference]: Finished difference Result 1482 states and 4643 transitions. [2020-11-11 18:04:21,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-11 18:04:21,253 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2020-11-11 18:04:21,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-11 18:04:21,254 INFO L225 Difference]: With dead ends: 1482 [2020-11-11 18:04:21,254 INFO L226 Difference]: Without dead ends: 0 [2020-11-11 18:04:21,254 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2020-11-11 18:04:21,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-11 18:04:21,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-11 18:04:21,255 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) [2020-11-11 18:04:21,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-11 18:04:21,256 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 50 [2020-11-11 18:04:21,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-11 18:04:21,256 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-11 18:04:21,256 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 18:04:21,256 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-11 18:04:21,256 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-11 18:04:21,257 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-11 18:04:21,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.11 06:04:21 BasicIcfg [2020-11-11 18:04:21,262 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-11 18:04:21,265 INFO L168 Benchmark]: Toolchain (without parser) took 6585.05 ms. Allocated memory was 302.0 MB in the beginning and 658.5 MB in the end (delta: 356.5 MB). Free memory was 277.4 MB in the beginning and 445.6 MB in the end (delta: -168.3 MB). Peak memory consumption was 190.6 MB. Max. memory is 16.0 GB. [2020-11-11 18:04:21,265 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 302.0 MB. Free memory is still 272.3 MB. There was no memory consumed. Max. memory is 16.0 GB. [2020-11-11 18:04:21,266 INFO L168 Benchmark]: CACSL2BoogieTranslator took 671.07 ms. Allocated memory is still 302.0 MB. Free memory was 276.7 MB in the beginning and 246.0 MB in the end (delta: 30.7 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. [2020-11-11 18:04:21,267 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.09 ms. Allocated memory is still 302.0 MB. Free memory was 245.8 MB in the beginning and 243.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-11-11 18:04:21,268 INFO L168 Benchmark]: Boogie Preprocessor took 56.30 ms. Allocated memory is still 302.0 MB. Free memory was 243.9 MB in the beginning and 284.8 MB in the end (delta: -40.9 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.0 GB. [2020-11-11 18:04:21,269 INFO L168 Benchmark]: RCFGBuilder took 744.15 ms. Allocated memory is still 302.0 MB. Free memory was 284.8 MB in the beginning and 261.6 MB in the end (delta: 23.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2020-11-11 18:04:21,270 INFO L168 Benchmark]: TraceAbstraction took 5050.98 ms. Allocated memory was 302.0 MB in the beginning and 658.5 MB in the end (delta: 356.5 MB). Free memory was 260.6 MB in the beginning and 445.6 MB in the end (delta: -185.1 MB). Peak memory consumption was 171.5 MB. Max. memory is 16.0 GB. [2020-11-11 18:04:21,274 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 302.0 MB. Free memory is still 272.3 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 671.07 ms. Allocated memory is still 302.0 MB. Free memory was 276.7 MB in the beginning and 246.0 MB in the end (delta: 30.7 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 50.09 ms. Allocated memory is still 302.0 MB. Free memory was 245.8 MB in the beginning and 243.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 56.30 ms. Allocated memory is still 302.0 MB. Free memory was 243.9 MB in the beginning and 284.8 MB in the end (delta: -40.9 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.0 GB. * RCFGBuilder took 744.15 ms. Allocated memory is still 302.0 MB. Free memory was 284.8 MB in the beginning and 261.6 MB in the end (delta: 23.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 5050.98 ms. Allocated memory was 302.0 MB in the beginning and 658.5 MB in the end (delta: 356.5 MB). Free memory was 260.6 MB in the beginning and 445.6 MB in the end (delta: -185.1 MB). Peak memory consumption was 171.5 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 17]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 77 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.9s, HoareTripleCheckerStatistics: 560 SDtfs, 689 SDslu, 1818 SDs, 0 SdLazy, 159 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9848occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 5 MinimizatonAttempts, 1200 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 232 NumberOfCodeBlocks, 232 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 227 ConstructedInterpolants, 0 QuantifiedInterpolants, 26855 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...