/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_27-multiple-protecting2_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-15 11:02:27,501 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-15 11:02:27,503 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-15 11:02:27,545 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-15 11:02:27,593 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-15 11:02:27,593 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-15 11:02:27,594 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-15 11:02:27,597 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 [2022-02-15 11:02:27,619 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-15 11:02:27,619 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-15 11:02:27,620 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-15 11:02:27,620 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-15 11:02:27,621 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-15 11:02:27,621 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-15 11:02:27,621 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-15 11:02:27,621 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-15 11:02:27,621 INFO L138 SettingsManager]: * Use SBE=true [2022-02-15 11:02:27,621 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-15 11:02:27,622 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-15 11:02:27,622 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-15 11:02:27,622 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-15 11:02:27,622 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-15 11:02:27,622 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-15 11:02:27,622 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-15 11:02:27,622 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-15 11:02:27,623 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-15 11:02:27,623 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-15 11:02:27,623 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-15 11:02:27,623 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-15 11:02:27,623 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-15 11:02:27,623 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-15 11:02:27,623 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-15 11:02:27,624 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-15 11:02:27,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 11:02:27,624 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-15 11:02:27,624 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-15 11:02:27,624 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-15 11:02:27,624 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-15 11:02:27,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-15 11:02:27,624 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-15 11:02:27,625 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-15 11:02:27,625 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-15 11:02:27,783 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-15 11:02:27,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-15 11:02:27,808 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-15 11:02:27,809 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-15 11:02:27,809 INFO L275 PluginConnector]: CDTParser initialized [2022-02-15 11:02:27,810 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_27-multiple-protecting2_true.i [2022-02-15 11:02:27,857 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e579d55b8/c2dd2cb639d245e8aceffce1af885a4a/FLAG65c6f73a4 [2022-02-15 11:02:28,250 INFO L306 CDTParser]: Found 1 translation units. [2022-02-15 11:02:28,250 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_27-multiple-protecting2_true.i [2022-02-15 11:02:28,262 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e579d55b8/c2dd2cb639d245e8aceffce1af885a4a/FLAG65c6f73a4 [2022-02-15 11:02:28,275 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e579d55b8/c2dd2cb639d245e8aceffce1af885a4a [2022-02-15 11:02:28,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-15 11:02:28,277 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-15 11:02:28,278 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-15 11:02:28,278 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-15 11:02:28,281 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-15 11:02:28,281 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 11:02:28" (1/1) ... [2022-02-15 11:02:28,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b53801a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:02:28, skipping insertion in model container [2022-02-15 11:02:28,282 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 11:02:28" (1/1) ... [2022-02-15 11:02:28,286 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-15 11:02:28,306 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-15 11:02:28,430 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_27-multiple-protecting2_true.i[1097,1110] [2022-02-15 11:02:28,543 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 11:02:28,554 INFO L203 MainTranslator]: Completed pre-run [2022-02-15 11:02:28,566 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_27-multiple-protecting2_true.i[1097,1110] [2022-02-15 11:02:28,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 11:02:28,656 INFO L208 MainTranslator]: Completed translation [2022-02-15 11:02:28,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:02:28 WrapperNode [2022-02-15 11:02:28,656 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-15 11:02:28,657 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-15 11:02:28,657 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-15 11:02:28,657 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-15 11:02:28,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:02:28" (1/1) ... [2022-02-15 11:02:28,684 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:02:28" (1/1) ... [2022-02-15 11:02:28,707 INFO L137 Inliner]: procedures = 163, calls = 52, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 104 [2022-02-15 11:02:28,708 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-15 11:02:28,708 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-15 11:02:28,708 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-15 11:02:28,709 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-15 11:02:28,714 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:02:28" (1/1) ... [2022-02-15 11:02:28,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:02:28" (1/1) ... [2022-02-15 11:02:28,723 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:02:28" (1/1) ... [2022-02-15 11:02:28,724 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:02:28" (1/1) ... [2022-02-15 11:02:28,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:02:28" (1/1) ... [2022-02-15 11:02:28,734 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:02:28" (1/1) ... [2022-02-15 11:02:28,735 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:02:28" (1/1) ... [2022-02-15 11:02:28,736 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-15 11:02:28,737 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-15 11:02:28,737 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-15 11:02:28,737 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-15 11:02:28,741 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:02:28" (1/1) ... [2022-02-15 11:02:28,746 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 11:02:28,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 11:02:28,764 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-15 11:02:28,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-15 11:02:28,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-15 11:02:28,797 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2022-02-15 11:02:28,797 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2022-02-15 11:02:28,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-15 11:02:28,797 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-15 11:02:28,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-15 11:02:28,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-15 11:02:28,797 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-15 11:02:28,797 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-15 11:02:28,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-15 11:02:28,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-15 11:02:28,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-15 11:02:28,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-15 11:02:28,799 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-15 11:02:28,890 INFO L234 CfgBuilder]: Building ICFG [2022-02-15 11:02:28,891 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-15 11:02:29,063 INFO L275 CfgBuilder]: Performing block encoding [2022-02-15 11:02:29,069 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-15 11:02:29,069 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-15 11:02:29,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 11:02:29 BoogieIcfgContainer [2022-02-15 11:02:29,070 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-15 11:02:29,075 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-15 11:02:29,075 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-15 11:02:29,078 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-15 11:02:29,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 11:02:28" (1/3) ... [2022-02-15 11:02:29,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@445ac468 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 11:02:29, skipping insertion in model container [2022-02-15 11:02:29,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:02:28" (2/3) ... [2022-02-15 11:02:29,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@445ac468 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 11:02:29, skipping insertion in model container [2022-02-15 11:02:29,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 11:02:29" (3/3) ... [2022-02-15 11:02:29,080 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_27-multiple-protecting2_true.i [2022-02-15 11:02:29,083 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-15 11:02:29,083 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-15 11:02:29,083 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-02-15 11:02:29,084 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-15 11:02:29,133 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,133 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,133 WARN L322 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,134 WARN L322 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,134 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,134 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,134 WARN L322 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,134 WARN L322 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,134 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,135 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,135 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,135 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,135 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,135 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,135 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,135 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,135 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,136 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,136 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,136 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,136 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,136 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,136 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,137 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,137 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,137 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,137 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,137 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,137 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,137 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,138 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,138 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,138 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,138 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,138 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,138 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,139 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,139 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,139 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,139 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,139 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,139 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,139 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,139 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,139 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,140 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,140 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,140 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,140 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,140 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,140 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,140 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,141 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,141 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,141 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,141 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,141 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,141 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,141 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,142 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,142 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,142 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,142 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,142 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,142 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,142 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,143 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,143 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,143 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,143 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,143 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,143 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,146 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,146 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,146 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,146 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,146 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,146 WARN L322 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,146 WARN L322 ript$VariableManager]: TermVariabe t2_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,147 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,147 WARN L322 ript$VariableManager]: TermVariabe |t2_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,148 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,149 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,149 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,149 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,149 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,149 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,149 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,149 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,149 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:02:29,152 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-15 11:02:29,196 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-15 11:02:29,201 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-15 11:02:29,201 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-02-15 11:02:29,229 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 162 places, 159 transitions, 334 flow [2022-02-15 11:02:29,774 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 18927 states, 18923 states have (on average 2.9236907467103523) internal successors, (55325), 18926 states have internal predecessors, (55325), 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) [2022-02-15 11:02:29,815 INFO L276 IsEmpty]: Start isEmpty. Operand has 18927 states, 18923 states have (on average 2.9236907467103523) internal successors, (55325), 18926 states have internal predecessors, (55325), 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) [2022-02-15 11:02:29,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-02-15 11:02:29,835 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 11:02:29,835 INFO L514 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] [2022-02-15 11:02:29,836 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-02-15 11:02:29,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 11:02:29,843 INFO L85 PathProgramCache]: Analyzing trace with hash 811554038, now seen corresponding path program 1 times [2022-02-15 11:02:29,850 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 11:02:29,851 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310147120] [2022-02-15 11:02:29,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 11:02:29,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 11:02:30,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 11:02:30,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 11:02:30,148 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 11:02:30,148 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310147120] [2022-02-15 11:02:30,149 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310147120] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 11:02:30,149 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 11:02:30,149 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 11:02:30,150 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352076973] [2022-02-15 11:02:30,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 11:02:30,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 11:02:30,156 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 11:02:30,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 11:02:30,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 11:02:30,198 INFO L87 Difference]: Start difference. First operand has 18927 states, 18923 states have (on average 2.9236907467103523) internal successors, (55325), 18926 states have internal predecessors, (55325), 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 5 states, 5 states have (on average 11.8) internal successors, (59), 5 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) [2022-02-15 11:02:30,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 11:02:30,538 INFO L93 Difference]: Finished difference Result 22290 states and 63546 transitions. [2022-02-15 11:02:30,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 11:02:30,541 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 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 [2022-02-15 11:02:30,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 11:02:30,658 INFO L225 Difference]: With dead ends: 22290 [2022-02-15 11:02:30,659 INFO L226 Difference]: Without dead ends: 21207 [2022-02-15 11:02:30,661 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-02-15 11:02:30,664 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 283 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-15 11:02:30,665 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [283 Valid, 644 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-15 11:02:30,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21207 states. [2022-02-15 11:02:31,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21207 to 18015. [2022-02-15 11:02:31,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18015 states, 18011 states have (on average 2.8591971572927655) internal successors, (51497), 18014 states have internal predecessors, (51497), 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) [2022-02-15 11:02:31,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18015 states to 18015 states and 51497 transitions. [2022-02-15 11:02:31,239 INFO L78 Accepts]: Start accepts. Automaton has 18015 states and 51497 transitions. Word has length 59 [2022-02-15 11:02:31,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 11:02:31,241 INFO L470 AbstractCegarLoop]: Abstraction has 18015 states and 51497 transitions. [2022-02-15 11:02:31,241 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 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) [2022-02-15 11:02:31,241 INFO L276 IsEmpty]: Start isEmpty. Operand 18015 states and 51497 transitions. [2022-02-15 11:02:31,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-02-15 11:02:31,248 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 11:02:31,248 INFO L514 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] [2022-02-15 11:02:31,248 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-15 11:02:31,248 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-02-15 11:02:31,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 11:02:31,251 INFO L85 PathProgramCache]: Analyzing trace with hash 305666937, now seen corresponding path program 1 times [2022-02-15 11:02:31,251 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 11:02:31,251 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443961050] [2022-02-15 11:02:31,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 11:02:31,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 11:02:31,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 11:02:31,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 11:02:31,354 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 11:02:31,354 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443961050] [2022-02-15 11:02:31,354 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443961050] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 11:02:31,354 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 11:02:31,354 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-15 11:02:31,355 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933921154] [2022-02-15 11:02:31,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 11:02:31,356 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 11:02:31,356 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 11:02:31,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 11:02:31,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 11:02:31,359 INFO L87 Difference]: Start difference. First operand 18015 states and 51497 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 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) [2022-02-15 11:02:31,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 11:02:31,551 INFO L93 Difference]: Finished difference Result 9855 states and 25747 transitions. [2022-02-15 11:02:31,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 11:02:31,551 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 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 [2022-02-15 11:02:31,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 11:02:31,572 INFO L225 Difference]: With dead ends: 9855 [2022-02-15 11:02:31,573 INFO L226 Difference]: Without dead ends: 9855 [2022-02-15 11:02:31,573 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-02-15 11:02:31,574 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 307 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-15 11:02:31,574 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [307 Valid, 342 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-15 11:02:31,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9855 states. [2022-02-15 11:02:31,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9855 to 9219. [2022-02-15 11:02:31,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9219 states, 9214 states have (on average 2.6268721510744517) internal successors, (24204), 9218 states have internal predecessors, (24204), 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) [2022-02-15 11:02:31,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9219 states to 9219 states and 24204 transitions. [2022-02-15 11:02:31,751 INFO L78 Accepts]: Start accepts. Automaton has 9219 states and 24204 transitions. Word has length 66 [2022-02-15 11:02:31,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 11:02:31,751 INFO L470 AbstractCegarLoop]: Abstraction has 9219 states and 24204 transitions. [2022-02-15 11:02:31,752 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 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) [2022-02-15 11:02:31,752 INFO L276 IsEmpty]: Start isEmpty. Operand 9219 states and 24204 transitions. [2022-02-15 11:02:31,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-02-15 11:02:31,755 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 11:02:31,756 INFO L514 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, 1, 1, 1, 1, 1] [2022-02-15 11:02:31,756 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-15 11:02:31,756 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-02-15 11:02:31,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 11:02:31,756 INFO L85 PathProgramCache]: Analyzing trace with hash -2000813506, now seen corresponding path program 1 times [2022-02-15 11:02:31,757 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 11:02:31,757 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529598392] [2022-02-15 11:02:31,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 11:02:31,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 11:02:31,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 11:02:31,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 11:02:31,958 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 11:02:31,958 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529598392] [2022-02-15 11:02:31,962 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529598392] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 11:02:31,962 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 11:02:31,962 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-15 11:02:31,962 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946651997] [2022-02-15 11:02:31,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 11:02:31,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-15 11:02:31,963 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 11:02:31,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-15 11:02:31,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-02-15 11:02:31,963 INFO L87 Difference]: Start difference. First operand 9219 states and 24204 transitions. Second operand has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 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) [2022-02-15 11:02:32,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 11:02:32,336 INFO L93 Difference]: Finished difference Result 9981 states and 26101 transitions. [2022-02-15 11:02:32,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-15 11:02:32,337 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 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 75 [2022-02-15 11:02:32,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 11:02:32,356 INFO L225 Difference]: With dead ends: 9981 [2022-02-15 11:02:32,356 INFO L226 Difference]: Without dead ends: 8985 [2022-02-15 11:02:32,356 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=163, Invalid=707, Unknown=0, NotChecked=0, Total=870 [2022-02-15 11:02:32,357 INFO L933 BasicCegarLoop]: 555 mSDtfsCounter, 847 mSDsluCounter, 2119 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 847 SdHoareTripleChecker+Valid, 2649 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-15 11:02:32,357 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [847 Valid, 2649 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-15 11:02:32,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8985 states. [2022-02-15 11:02:32,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8985 to 8373. [2022-02-15 11:02:32,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8373 states, 8368 states have (on average 2.599665391969407) internal successors, (21754), 8372 states have internal predecessors, (21754), 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) [2022-02-15 11:02:32,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8373 states to 8373 states and 21754 transitions. [2022-02-15 11:02:32,587 INFO L78 Accepts]: Start accepts. Automaton has 8373 states and 21754 transitions. Word has length 75 [2022-02-15 11:02:32,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 11:02:32,587 INFO L470 AbstractCegarLoop]: Abstraction has 8373 states and 21754 transitions. [2022-02-15 11:02:32,588 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 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) [2022-02-15 11:02:32,588 INFO L276 IsEmpty]: Start isEmpty. Operand 8373 states and 21754 transitions. [2022-02-15 11:02:32,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-02-15 11:02:32,592 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 11:02:32,593 INFO L514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 11:02:32,593 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-15 11:02:32,593 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-02-15 11:02:32,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 11:02:32,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1808695242, now seen corresponding path program 1 times [2022-02-15 11:02:32,594 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 11:02:32,594 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698665237] [2022-02-15 11:02:32,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 11:02:32,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 11:02:32,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 11:02:32,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 11:02:32,651 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 11:02:32,651 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698665237] [2022-02-15 11:02:32,651 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698665237] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 11:02:32,651 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 11:02:32,651 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-15 11:02:32,651 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636410357] [2022-02-15 11:02:32,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 11:02:32,651 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-15 11:02:32,652 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 11:02:32,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-15 11:02:32,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-15 11:02:32,652 INFO L87 Difference]: Start difference. First operand 8373 states and 21754 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 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) [2022-02-15 11:02:32,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 11:02:32,723 INFO L93 Difference]: Finished difference Result 9404 states and 24451 transitions. [2022-02-15 11:02:32,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 11:02:32,723 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 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 79 [2022-02-15 11:02:32,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 11:02:32,741 INFO L225 Difference]: With dead ends: 9404 [2022-02-15 11:02:32,741 INFO L226 Difference]: Without dead ends: 9206 [2022-02-15 11:02:32,741 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-02-15 11:02:32,742 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 226 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-15 11:02:32,742 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [226 Valid, 635 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-15 11:02:32,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9206 states. [2022-02-15 11:02:32,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9206 to 8411. [2022-02-15 11:02:32,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8411 states, 8406 states have (on average 2.5983821080180824) internal successors, (21842), 8410 states have internal predecessors, (21842), 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) [2022-02-15 11:02:32,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8411 states to 8411 states and 21842 transitions. [2022-02-15 11:02:32,880 INFO L78 Accepts]: Start accepts. Automaton has 8411 states and 21842 transitions. Word has length 79 [2022-02-15 11:02:32,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 11:02:32,881 INFO L470 AbstractCegarLoop]: Abstraction has 8411 states and 21842 transitions. [2022-02-15 11:02:32,881 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 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) [2022-02-15 11:02:32,881 INFO L276 IsEmpty]: Start isEmpty. Operand 8411 states and 21842 transitions. [2022-02-15 11:02:32,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-02-15 11:02:32,887 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 11:02:32,887 INFO L514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 11:02:32,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-15 11:02:32,888 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-02-15 11:02:32,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 11:02:32,890 INFO L85 PathProgramCache]: Analyzing trace with hash -1498771365, now seen corresponding path program 1 times [2022-02-15 11:02:32,890 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 11:02:32,890 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579133656] [2022-02-15 11:02:32,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 11:02:32,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 11:02:32,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 11:02:32,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 11:02:32,957 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 11:02:32,957 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579133656] [2022-02-15 11:02:32,957 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579133656] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 11:02:32,957 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 11:02:32,957 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-15 11:02:32,957 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957274810] [2022-02-15 11:02:32,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 11:02:32,958 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 11:02:32,958 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 11:02:32,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 11:02:32,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 11:02:32,958 INFO L87 Difference]: Start difference. First operand 8411 states and 21842 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 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) [2022-02-15 11:02:33,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 11:02:33,030 INFO L93 Difference]: Finished difference Result 5165 states and 12153 transitions. [2022-02-15 11:02:33,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 11:02:33,031 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 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 82 [2022-02-15 11:02:33,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 11:02:33,040 INFO L225 Difference]: With dead ends: 5165 [2022-02-15 11:02:33,040 INFO L226 Difference]: Without dead ends: 4985 [2022-02-15 11:02:33,040 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-02-15 11:02:33,042 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 370 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-15 11:02:33,043 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [370 Valid, 227 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-15 11:02:33,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4985 states. [2022-02-15 11:02:33,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4985 to 4697. [2022-02-15 11:02:33,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4697 states, 4686 states have (on average 2.358514724711908) internal successors, (11052), 4696 states have internal predecessors, (11052), 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) [2022-02-15 11:02:33,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4697 states to 4697 states and 11052 transitions. [2022-02-15 11:02:33,167 INFO L78 Accepts]: Start accepts. Automaton has 4697 states and 11052 transitions. Word has length 82 [2022-02-15 11:02:33,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 11:02:33,168 INFO L470 AbstractCegarLoop]: Abstraction has 4697 states and 11052 transitions. [2022-02-15 11:02:33,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 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) [2022-02-15 11:02:33,168 INFO L276 IsEmpty]: Start isEmpty. Operand 4697 states and 11052 transitions. [2022-02-15 11:02:33,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-02-15 11:02:33,176 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 11:02:33,176 INFO L514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 11:02:33,176 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-15 11:02:33,176 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-02-15 11:02:33,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 11:02:33,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1769116646, now seen corresponding path program 1 times [2022-02-15 11:02:33,177 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 11:02:33,177 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133690622] [2022-02-15 11:02:33,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 11:02:33,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 11:02:33,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 11:02:33,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 11:02:33,349 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 11:02:33,349 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133690622] [2022-02-15 11:02:33,349 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133690622] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 11:02:33,349 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 11:02:33,349 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-15 11:02:33,350 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399999546] [2022-02-15 11:02:33,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 11:02:33,350 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-15 11:02:33,350 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 11:02:33,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-15 11:02:33,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-02-15 11:02:33,350 INFO L87 Difference]: Start difference. First operand 4697 states and 11052 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 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) [2022-02-15 11:02:33,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 11:02:33,438 INFO L93 Difference]: Finished difference Result 3929 states and 9295 transitions. [2022-02-15 11:02:33,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 11:02:33,439 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 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 84 [2022-02-15 11:02:33,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 11:02:33,445 INFO L225 Difference]: With dead ends: 3929 [2022-02-15 11:02:33,445 INFO L226 Difference]: Without dead ends: 3751 [2022-02-15 11:02:33,446 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-02-15 11:02:33,446 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 292 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-15 11:02:33,446 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [292 Valid, 204 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-15 11:02:33,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3751 states. [2022-02-15 11:02:33,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3751 to 3445. [2022-02-15 11:02:33,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3445 states, 3441 states have (on average 2.3888404533565826) internal successors, (8220), 3444 states have internal predecessors, (8220), 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) [2022-02-15 11:02:33,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3445 states to 3445 states and 8220 transitions. [2022-02-15 11:02:33,493 INFO L78 Accepts]: Start accepts. Automaton has 3445 states and 8220 transitions. Word has length 84 [2022-02-15 11:02:33,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 11:02:33,493 INFO L470 AbstractCegarLoop]: Abstraction has 3445 states and 8220 transitions. [2022-02-15 11:02:33,493 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 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) [2022-02-15 11:02:33,493 INFO L276 IsEmpty]: Start isEmpty. Operand 3445 states and 8220 transitions. [2022-02-15 11:02:33,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-02-15 11:02:33,497 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 11:02:33,497 INFO L514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 11:02:33,498 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-15 11:02:33,498 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-02-15 11:02:33,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 11:02:33,498 INFO L85 PathProgramCache]: Analyzing trace with hash 33910142, now seen corresponding path program 1 times [2022-02-15 11:02:33,498 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 11:02:33,498 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563232688] [2022-02-15 11:02:33,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 11:02:33,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 11:02:33,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 11:02:33,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 11:02:33,599 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 11:02:33,599 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563232688] [2022-02-15 11:02:33,599 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563232688] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 11:02:33,599 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 11:02:33,599 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-15 11:02:33,600 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411413335] [2022-02-15 11:02:33,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 11:02:33,600 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-15 11:02:33,600 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 11:02:33,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-15 11:02:33,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-02-15 11:02:33,601 INFO L87 Difference]: Start difference. First operand 3445 states and 8220 transitions. Second operand has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 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) [2022-02-15 11:02:33,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 11:02:33,701 INFO L93 Difference]: Finished difference Result 2422 states and 5640 transitions. [2022-02-15 11:02:33,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 11:02:33,701 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 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 88 [2022-02-15 11:02:33,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 11:02:33,705 INFO L225 Difference]: With dead ends: 2422 [2022-02-15 11:02:33,705 INFO L226 Difference]: Without dead ends: 2312 [2022-02-15 11:02:33,705 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-02-15 11:02:33,707 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 261 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-15 11:02:33,708 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [261 Valid, 296 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-15 11:02:33,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2312 states. [2022-02-15 11:02:33,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2312 to 2282. [2022-02-15 11:02:33,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2282 states, 2280 states have (on average 2.350438596491228) internal successors, (5359), 2281 states have internal predecessors, (5359), 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) [2022-02-15 11:02:33,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2282 states to 2282 states and 5359 transitions. [2022-02-15 11:02:33,733 INFO L78 Accepts]: Start accepts. Automaton has 2282 states and 5359 transitions. Word has length 88 [2022-02-15 11:02:33,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 11:02:33,733 INFO L470 AbstractCegarLoop]: Abstraction has 2282 states and 5359 transitions. [2022-02-15 11:02:33,733 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 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) [2022-02-15 11:02:33,734 INFO L276 IsEmpty]: Start isEmpty. Operand 2282 states and 5359 transitions. [2022-02-15 11:02:33,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-02-15 11:02:33,737 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 11:02:33,737 INFO L514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 11:02:33,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-15 11:02:33,737 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-02-15 11:02:33,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 11:02:33,738 INFO L85 PathProgramCache]: Analyzing trace with hash -917356534, now seen corresponding path program 1 times [2022-02-15 11:02:33,738 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 11:02:33,738 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588795241] [2022-02-15 11:02:33,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 11:02:33,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 11:02:33,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 11:02:33,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 11:02:33,832 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 11:02:33,832 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588795241] [2022-02-15 11:02:33,832 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588795241] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 11:02:33,832 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 11:02:33,832 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-15 11:02:33,832 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941469969] [2022-02-15 11:02:33,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 11:02:33,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-15 11:02:33,833 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 11:02:33,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-15 11:02:33,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-02-15 11:02:33,833 INFO L87 Difference]: Start difference. First operand 2282 states and 5359 transitions. Second operand has 8 states, 8 states have (on average 11.875) internal successors, (95), 8 states have internal predecessors, (95), 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) [2022-02-15 11:02:33,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 11:02:33,954 INFO L93 Difference]: Finished difference Result 2252 states and 5291 transitions. [2022-02-15 11:02:33,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-15 11:02:33,955 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 8 states have internal predecessors, (95), 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 95 [2022-02-15 11:02:33,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 11:02:33,955 INFO L225 Difference]: With dead ends: 2252 [2022-02-15 11:02:33,955 INFO L226 Difference]: Without dead ends: 0 [2022-02-15 11:02:33,955 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2022-02-15 11:02:33,956 INFO L933 BasicCegarLoop]: 237 mSDtfsCounter, 192 mSDsluCounter, 1026 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 1255 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-15 11:02:33,957 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [192 Valid, 1255 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-15 11:02:33,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-15 11:02:33,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-15 11:02:33,958 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) [2022-02-15 11:02:33,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-15 11:02:33,959 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 95 [2022-02-15 11:02:33,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 11:02:33,959 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-15 11:02:33,959 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 8 states have internal predecessors, (95), 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) [2022-02-15 11:02:33,959 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-15 11:02:33,959 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-15 11:02:33,961 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2022-02-15 11:02:33,961 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2022-02-15 11:02:33,961 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (3 of 6 remaining) [2022-02-15 11:02:33,961 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2022-02-15 11:02:33,961 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 6 remaining) [2022-02-15 11:02:33,961 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 6 remaining) [2022-02-15 11:02:33,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-15 11:02:33,963 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 11:02:33,965 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-15 11:02:33,965 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-15 11:02:33,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 11:02:33 BasicIcfg [2022-02-15 11:02:33,967 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-15 11:02:33,968 INFO L158 Benchmark]: Toolchain (without parser) took 5690.44ms. Allocated memory was 197.1MB in the beginning and 963.6MB in the end (delta: 766.5MB). Free memory was 140.7MB in the beginning and 755.8MB in the end (delta: -615.1MB). Peak memory consumption was 152.8MB. Max. memory is 8.0GB. [2022-02-15 11:02:33,968 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 197.1MB. Free memory was 158.5MB in the beginning and 158.4MB in the end (delta: 73.1kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-15 11:02:33,968 INFO L158 Benchmark]: CACSL2BoogieTranslator took 377.96ms. Allocated memory was 197.1MB in the beginning and 275.8MB in the end (delta: 78.6MB). Free memory was 140.4MB in the beginning and 238.9MB in the end (delta: -98.5MB). Peak memory consumption was 8.7MB. Max. memory is 8.0GB. [2022-02-15 11:02:33,968 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.93ms. Allocated memory is still 275.8MB. Free memory was 238.9MB in the beginning and 236.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-15 11:02:33,969 INFO L158 Benchmark]: Boogie Preprocessor took 27.89ms. Allocated memory is still 275.8MB. Free memory was 236.3MB in the beginning and 235.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-15 11:02:33,969 INFO L158 Benchmark]: RCFGBuilder took 333.62ms. Allocated memory is still 275.8MB. Free memory was 234.8MB in the beginning and 218.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-02-15 11:02:33,969 INFO L158 Benchmark]: TraceAbstraction took 4892.12ms. Allocated memory was 275.8MB in the beginning and 963.6MB in the end (delta: 687.9MB). Free memory was 217.5MB in the beginning and 755.8MB in the end (delta: -538.4MB). Peak memory consumption was 151.1MB. Max. memory is 8.0GB. [2022-02-15 11:02:33,970 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 197.1MB. Free memory was 158.5MB in the beginning and 158.4MB in the end (delta: 73.1kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 377.96ms. Allocated memory was 197.1MB in the beginning and 275.8MB in the end (delta: 78.6MB). Free memory was 140.4MB in the beginning and 238.9MB in the end (delta: -98.5MB). Peak memory consumption was 8.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 50.93ms. Allocated memory is still 275.8MB. Free memory was 238.9MB in the beginning and 236.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.89ms. Allocated memory is still 275.8MB. Free memory was 236.3MB in the beginning and 235.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 333.62ms. Allocated memory is still 275.8MB. Free memory was 234.8MB in the beginning and 218.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 4892.12ms. Allocated memory was 275.8MB in the beginning and 963.6MB in the end (delta: 687.9MB). Free memory was 217.5MB in the beginning and 755.8MB in the end (delta: -538.4MB). Peak memory consumption was 151.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: 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 5 procedures, 196 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 4.8s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.6s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2778 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2778 mSDsluCounter, 6252 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4682 mSDsCounter, 244 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 941 IncrementalHoareTripleChecker+Invalid, 1185 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 244 mSolverCounterUnsat, 1628 mSDtfsCounter, 941 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 117 GetRequests, 27 SyntacticMatches, 2 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18927occurred in iteration=0, InterpolantAutomatonStates: 82, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 5859 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 628 NumberOfCodeBlocks, 628 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 620 ConstructedInterpolants, 0 QuantifiedInterpolants, 2832 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-02-15 11:02:34,001 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...