/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_29-multiple-protecting2-vesal_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-10 21:59:04,707 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-10 21:59:04,709 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-10 21:59:04,761 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-10 21:59:04,798 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 [2022-02-10 21:59:04,819 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-10 21:59:04,820 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-10 21:59:04,820 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-10 21:59:04,820 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-10 21:59:04,821 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-10 21:59:04,821 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-10 21:59:04,821 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-10 21:59:04,821 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-10 21:59:04,821 INFO L138 SettingsManager]: * Use SBE=true [2022-02-10 21:59:04,821 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-10 21:59:04,822 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-10 21:59:04,822 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-10 21:59:04,822 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-10 21:59:04,822 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-10 21:59:04,822 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-10 21:59:04,822 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-10 21:59:04,822 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-10 21:59:04,822 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-10 21:59:04,823 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-10 21:59:04,823 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-10 21:59:04,823 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-10 21:59:04,823 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-10 21:59:04,823 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-10 21:59:04,823 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-10 21:59:04,824 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-10 21:59:04,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 21:59:04,824 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-10 21:59:04,824 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-10 21:59:04,824 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-10 21:59:04,824 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-10 21:59:04,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-10 21:59:04,825 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-10 21:59:04,825 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-10 21:59:04,825 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-10 21:59:04,989 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-10 21:59:05,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-10 21:59:05,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-10 21:59:05,005 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-10 21:59:05,005 INFO L275 PluginConnector]: CDTParser initialized [2022-02-10 21:59:05,006 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i [2022-02-10 21:59:05,063 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4c0c6ad8/9beb405c1b5146df9bc59e175ca1bff1/FLAGe5dd6b633 [2022-02-10 21:59:05,447 INFO L306 CDTParser]: Found 1 translation units. [2022-02-10 21:59:05,447 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i [2022-02-10 21:59:05,456 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4c0c6ad8/9beb405c1b5146df9bc59e175ca1bff1/FLAGe5dd6b633 [2022-02-10 21:59:05,467 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4c0c6ad8/9beb405c1b5146df9bc59e175ca1bff1 [2022-02-10 21:59:05,471 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-10 21:59:05,473 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-10 21:59:05,475 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-10 21:59:05,475 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-10 21:59:05,477 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-10 21:59:05,478 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 09:59:05" (1/1) ... [2022-02-10 21:59:05,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f6fa38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:59:05, skipping insertion in model container [2022-02-10 21:59:05,478 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 09:59:05" (1/1) ... [2022-02-10 21:59:05,482 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-10 21:59:05,502 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-10 21:59:05,623 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_29-multiple-protecting2-vesal_true.i[1103,1116] [2022-02-10 21:59:05,706 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 21:59:05,716 INFO L203 MainTranslator]: Completed pre-run [2022-02-10 21:59:05,723 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_29-multiple-protecting2-vesal_true.i[1103,1116] [2022-02-10 21:59:05,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 21:59:05,761 INFO L208 MainTranslator]: Completed translation [2022-02-10 21:59:05,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:59:05 WrapperNode [2022-02-10 21:59:05,762 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-10 21:59:05,763 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-10 21:59:05,763 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-10 21:59:05,763 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-10 21:59:05,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:59:05" (1/1) ... [2022-02-10 21:59:05,780 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:59:05" (1/1) ... [2022-02-10 21:59:05,793 INFO L137 Inliner]: procedures = 162, calls = 40, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 77 [2022-02-10 21:59:05,793 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-10 21:59:05,793 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-10 21:59:05,793 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-10 21:59:05,793 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-10 21:59:05,798 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:59:05" (1/1) ... [2022-02-10 21:59:05,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:59:05" (1/1) ... [2022-02-10 21:59:05,801 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:59:05" (1/1) ... [2022-02-10 21:59:05,801 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:59:05" (1/1) ... [2022-02-10 21:59:05,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:59:05" (1/1) ... [2022-02-10 21:59:05,805 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:59:05" (1/1) ... [2022-02-10 21:59:05,806 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:59:05" (1/1) ... [2022-02-10 21:59:05,808 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-10 21:59:05,808 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-10 21:59:05,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-10 21:59:05,808 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-10 21:59:05,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:59:05" (1/1) ... [2022-02-10 21:59:05,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 21:59:05,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 21:59:05,830 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) [2022-02-10 21:59:05,840 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 [2022-02-10 21:59:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-10 21:59:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2022-02-10 21:59:05,864 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2022-02-10 21:59:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-10 21:59:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-10 21:59:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-10 21:59:05,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-10 21:59:05,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-10 21:59:05,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-10 21:59:05,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-10 21:59:05,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-10 21:59:05,866 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-10 21:59:05,935 INFO L234 CfgBuilder]: Building ICFG [2022-02-10 21:59:05,940 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-10 21:59:06,129 INFO L275 CfgBuilder]: Performing block encoding [2022-02-10 21:59:06,134 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-10 21:59:06,135 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-10 21:59:06,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 09:59:06 BoogieIcfgContainer [2022-02-10 21:59:06,136 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-10 21:59:06,137 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-10 21:59:06,137 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-10 21:59:06,139 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-10 21:59:06,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.02 09:59:05" (1/3) ... [2022-02-10 21:59:06,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@89a67bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 09:59:06, skipping insertion in model container [2022-02-10 21:59:06,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:59:05" (2/3) ... [2022-02-10 21:59:06,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@89a67bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 09:59:06, skipping insertion in model container [2022-02-10 21:59:06,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 09:59:06" (3/3) ... [2022-02-10 21:59:06,141 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_29-multiple-protecting2-vesal_true.i [2022-02-10 21:59:06,144 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-10 21:59:06,145 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-10 21:59:06,145 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-02-10 21:59:06,145 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-10 21:59:06,182 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:06,182 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:06,183 WARN L322 ript$VariableManager]: TermVariable t2_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:06,183 WARN L322 ript$VariableManager]: TermVariable t2_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:06,183 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:06,183 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:06,183 WARN L322 ript$VariableManager]: TermVariable t2_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:06,183 WARN L322 ript$VariableManager]: TermVariable t2_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:06,184 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:06,184 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:06,185 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:06,188 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:06,188 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:06,189 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:06,189 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:06,189 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:06,189 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:06,189 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:06,189 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:06,189 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:06,189 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:06,190 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:06,190 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:06,191 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:06,191 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:06,191 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:06,191 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:06,191 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:06,191 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:06,191 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:06,192 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:06,192 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:06,192 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:06,192 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:06,192 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:06,192 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:06,195 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:06,195 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:06,195 WARN L322 ript$VariableManager]: TermVariable t2_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:06,195 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:06,195 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:06,195 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:06,195 WARN L322 ript$VariableManager]: TermVariable t2_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:06,195 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:06,195 WARN L322 ript$VariableManager]: TermVariable |t2_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:59:06,198 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-10 21:59:06,228 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 21:59:06,232 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, 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 [2022-02-10 21:59:06,232 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-10 21:59:06,240 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 112 places, 111 transitions, 230 flow [2022-02-10 21:59:06,300 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 723 states, 720 states have (on average 1.9305555555555556) internal successors, (1390), 722 states have internal predecessors, (1390), 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) [2022-02-10 21:59:06,303 INFO L276 IsEmpty]: Start isEmpty. Operand has 723 states, 720 states have (on average 1.9305555555555556) internal successors, (1390), 722 states have internal predecessors, (1390), 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) [2022-02-10 21:59:06,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-02-10 21:59:06,309 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:59:06,310 INFO L515 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] [2022-02-10 21:59:06,310 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-02-10 21:59:06,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:59:06,314 INFO L85 PathProgramCache]: Analyzing trace with hash -209547896, now seen corresponding path program 1 times [2022-02-10 21:59:06,319 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:59:06,320 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128707057] [2022-02-10 21:59:06,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:59:06,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:59:06,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:59:06,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:59:06,602 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:59:06,602 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128707057] [2022-02-10 21:59:06,603 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128707057] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:59:06,603 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:59:06,603 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-10 21:59:06,605 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123999630] [2022-02-10 21:59:06,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:59:06,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-10 21:59:06,611 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:59:06,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-10 21:59:06,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-10 21:59:06,635 INFO L87 Difference]: Start difference. First operand has 723 states, 720 states have (on average 1.9305555555555556) internal successors, (1390), 722 states have internal predecessors, (1390), 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 10.2) internal successors, (51), 5 states have internal predecessors, (51), 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) [2022-02-10 21:59:06,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:59:06,726 INFO L93 Difference]: Finished difference Result 743 states and 1388 transitions. [2022-02-10 21:59:06,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-10 21:59:06,733 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 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 51 [2022-02-10 21:59:06,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:59:06,748 INFO L225 Difference]: With dead ends: 743 [2022-02-10 21:59:06,748 INFO L226 Difference]: Without dead ends: 743 [2022-02-10 21:59:06,751 INFO L933 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 [2022-02-10 21:59:06,754 INFO L934 BasicCegarLoop]: 117 mSDtfsCounter, 117 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 21:59:06,764 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [117 Valid, 361 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 21:59:06,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2022-02-10 21:59:06,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 707. [2022-02-10 21:59:06,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 707 states, 704 states have (on average 1.8735795454545454) internal successors, (1319), 706 states have internal predecessors, (1319), 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) [2022-02-10 21:59:06,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 707 states and 1319 transitions. [2022-02-10 21:59:06,826 INFO L78 Accepts]: Start accepts. Automaton has 707 states and 1319 transitions. Word has length 51 [2022-02-10 21:59:06,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:59:06,827 INFO L470 AbstractCegarLoop]: Abstraction has 707 states and 1319 transitions. [2022-02-10 21:59:06,829 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 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) [2022-02-10 21:59:06,834 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 1319 transitions. [2022-02-10 21:59:06,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-02-10 21:59:06,837 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:59:06,837 INFO L515 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] [2022-02-10 21:59:06,837 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-10 21:59:06,837 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-02-10 21:59:06,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:59:06,838 INFO L85 PathProgramCache]: Analyzing trace with hash 330090460, now seen corresponding path program 1 times [2022-02-10 21:59:06,838 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:59:06,838 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100691516] [2022-02-10 21:59:06,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:59:06,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:59:06,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:59:06,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:59:06,956 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:59:06,957 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100691516] [2022-02-10 21:59:06,957 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100691516] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:59:06,957 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:59:06,957 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-10 21:59:06,957 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196227957] [2022-02-10 21:59:06,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:59:06,958 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-10 21:59:06,958 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:59:06,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-10 21:59:06,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-10 21:59:06,959 INFO L87 Difference]: Start difference. First operand 707 states and 1319 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:59:07,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:59:07,041 INFO L93 Difference]: Finished difference Result 825 states and 1544 transitions. [2022-02-10 21:59:07,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-10 21:59:07,041 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2022-02-10 21:59:07,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:59:07,045 INFO L225 Difference]: With dead ends: 825 [2022-02-10 21:59:07,045 INFO L226 Difference]: Without dead ends: 825 [2022-02-10 21:59:07,048 INFO L933 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 [2022-02-10 21:59:07,050 INFO L934 BasicCegarLoop]: 117 mSDtfsCounter, 115 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 21:59:07,051 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 371 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 21:59:07,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 825 states. [2022-02-10 21:59:07,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 825 to 729. [2022-02-10 21:59:07,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 729 states, 726 states have (on average 1.8732782369146006) internal successors, (1360), 728 states have internal predecessors, (1360), 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) [2022-02-10 21:59:07,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 1360 transitions. [2022-02-10 21:59:07,107 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 1360 transitions. Word has length 57 [2022-02-10 21:59:07,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:59:07,108 INFO L470 AbstractCegarLoop]: Abstraction has 729 states and 1360 transitions. [2022-02-10 21:59:07,108 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:59:07,109 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1360 transitions. [2022-02-10 21:59:07,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-02-10 21:59:07,114 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:59:07,114 INFO L515 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] [2022-02-10 21:59:07,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-10 21:59:07,114 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-02-10 21:59:07,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:59:07,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1668356668, now seen corresponding path program 1 times [2022-02-10 21:59:07,116 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:59:07,116 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065599697] [2022-02-10 21:59:07,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:59:07,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:59:07,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:59:07,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:59:07,184 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:59:07,184 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065599697] [2022-02-10 21:59:07,184 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065599697] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:59:07,185 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:59:07,185 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-10 21:59:07,185 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226928423] [2022-02-10 21:59:07,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:59:07,185 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 21:59:07,185 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:59:07,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 21:59:07,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 21:59:07,186 INFO L87 Difference]: Start difference. First operand 729 states and 1360 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:59:07,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:59:07,212 INFO L93 Difference]: Finished difference Result 487 states and 795 transitions. [2022-02-10 21:59:07,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 21:59:07,212 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2022-02-10 21:59:07,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:59:07,215 INFO L225 Difference]: With dead ends: 487 [2022-02-10 21:59:07,215 INFO L226 Difference]: Without dead ends: 487 [2022-02-10 21:59:07,218 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 21:59:07,220 INFO L934 BasicCegarLoop]: 94 mSDtfsCounter, 37 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 21:59:07,220 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 158 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 21:59:07,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2022-02-10 21:59:07,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 409. [2022-02-10 21:59:07,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 402 states have (on average 1.6616915422885572) internal successors, (668), 408 states have internal predecessors, (668), 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) [2022-02-10 21:59:07,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 668 transitions. [2022-02-10 21:59:07,228 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 668 transitions. Word has length 58 [2022-02-10 21:59:07,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:59:07,229 INFO L470 AbstractCegarLoop]: Abstraction has 409 states and 668 transitions. [2022-02-10 21:59:07,229 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:59:07,229 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 668 transitions. [2022-02-10 21:59:07,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-02-10 21:59:07,229 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:59:07,230 INFO L515 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] [2022-02-10 21:59:07,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-10 21:59:07,230 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-02-10 21:59:07,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:59:07,231 INFO L85 PathProgramCache]: Analyzing trace with hash -737303955, now seen corresponding path program 1 times [2022-02-10 21:59:07,231 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:59:07,231 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114964645] [2022-02-10 21:59:07,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:59:07,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:59:07,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:59:07,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:59:07,338 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:59:07,339 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114964645] [2022-02-10 21:59:07,339 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114964645] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:59:07,339 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:59:07,339 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-10 21:59:07,339 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67277404] [2022-02-10 21:59:07,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:59:07,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-10 21:59:07,339 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:59:07,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-10 21:59:07,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-10 21:59:07,341 INFO L87 Difference]: Start difference. First operand 409 states and 668 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 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) [2022-02-10 21:59:07,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:59:07,448 INFO L93 Difference]: Finished difference Result 444 states and 728 transitions. [2022-02-10 21:59:07,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-10 21:59:07,448 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 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 60 [2022-02-10 21:59:07,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:59:07,450 INFO L225 Difference]: With dead ends: 444 [2022-02-10 21:59:07,450 INFO L226 Difference]: Without dead ends: 420 [2022-02-10 21:59:07,451 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2022-02-10 21:59:07,456 INFO L934 BasicCegarLoop]: 127 mSDtfsCounter, 193 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 573 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 21:59:07,457 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [193 Valid, 573 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 21:59:07,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2022-02-10 21:59:07,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 375. [2022-02-10 21:59:07,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 370 states have (on average 1.6486486486486487) internal successors, (610), 374 states have internal predecessors, (610), 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) [2022-02-10 21:59:07,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 610 transitions. [2022-02-10 21:59:07,471 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 610 transitions. Word has length 60 [2022-02-10 21:59:07,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:59:07,472 INFO L470 AbstractCegarLoop]: Abstraction has 375 states and 610 transitions. [2022-02-10 21:59:07,473 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 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) [2022-02-10 21:59:07,473 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 610 transitions. [2022-02-10 21:59:07,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-02-10 21:59:07,474 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:59:07,474 INFO L515 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] [2022-02-10 21:59:07,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-10 21:59:07,475 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-02-10 21:59:07,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:59:07,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1165411472, now seen corresponding path program 1 times [2022-02-10 21:59:07,476 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:59:07,476 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435590437] [2022-02-10 21:59:07,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:59:07,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:59:07,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:59:07,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:59:07,589 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:59:07,589 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435590437] [2022-02-10 21:59:07,589 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435590437] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:59:07,590 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:59:07,590 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 21:59:07,590 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503396490] [2022-02-10 21:59:07,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:59:07,591 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-10 21:59:07,591 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:59:07,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-10 21:59:07,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-02-10 21:59:07,592 INFO L87 Difference]: Start difference. First operand 375 states and 610 transitions. Second operand has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 9 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) [2022-02-10 21:59:07,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:59:07,750 INFO L93 Difference]: Finished difference Result 412 states and 672 transitions. [2022-02-10 21:59:07,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-10 21:59:07,751 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 9 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 [2022-02-10 21:59:07,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:59:07,753 INFO L225 Difference]: With dead ends: 412 [2022-02-10 21:59:07,753 INFO L226 Difference]: Without dead ends: 412 [2022-02-10 21:59:07,753 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=165, Invalid=537, Unknown=0, NotChecked=0, Total=702 [2022-02-10 21:59:07,754 INFO L934 BasicCegarLoop]: 125 mSDtfsCounter, 306 mSDsluCounter, 576 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 698 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 21:59:07,754 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [306 Valid, 698 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 21:59:07,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2022-02-10 21:59:07,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 367. [2022-02-10 21:59:07,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 363 states have (on average 1.6418732782369145) internal successors, (596), 366 states have internal predecessors, (596), 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) [2022-02-10 21:59:07,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 596 transitions. [2022-02-10 21:59:07,760 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 596 transitions. Word has length 66 [2022-02-10 21:59:07,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:59:07,761 INFO L470 AbstractCegarLoop]: Abstraction has 367 states and 596 transitions. [2022-02-10 21:59:07,761 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 9 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) [2022-02-10 21:59:07,761 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 596 transitions. [2022-02-10 21:59:07,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-02-10 21:59:07,762 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:59:07,762 INFO L515 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] [2022-02-10 21:59:07,762 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-10 21:59:07,762 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-02-10 21:59:07,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:59:07,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1854659841, now seen corresponding path program 1 times [2022-02-10 21:59:07,763 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:59:07,763 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182772732] [2022-02-10 21:59:07,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:59:07,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:59:07,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:59:07,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:59:07,840 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:59:07,840 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182772732] [2022-02-10 21:59:07,841 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182772732] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:59:07,841 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:59:07,841 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-10 21:59:07,841 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705662310] [2022-02-10 21:59:07,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:59:07,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-10 21:59:07,841 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:59:07,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-10 21:59:07,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-02-10 21:59:07,842 INFO L87 Difference]: Start difference. First operand 367 states and 596 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 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) [2022-02-10 21:59:07,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:59:07,927 INFO L93 Difference]: Finished difference Result 389 states and 636 transitions. [2022-02-10 21:59:07,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-10 21:59:07,928 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 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 [2022-02-10 21:59:07,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:59:07,929 INFO L225 Difference]: With dead ends: 389 [2022-02-10 21:59:07,929 INFO L226 Difference]: Without dead ends: 389 [2022-02-10 21:59:07,929 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-02-10 21:59:07,930 INFO L934 BasicCegarLoop]: 104 mSDtfsCounter, 195 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 21:59:07,931 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [195 Valid, 458 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 21:59:07,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2022-02-10 21:59:07,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 365. [2022-02-10 21:59:07,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 362 states have (on average 1.6408839779005524) internal successors, (594), 364 states have internal predecessors, (594), 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) [2022-02-10 21:59:07,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 594 transitions. [2022-02-10 21:59:07,937 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 594 transitions. Word has length 66 [2022-02-10 21:59:07,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:59:07,937 INFO L470 AbstractCegarLoop]: Abstraction has 365 states and 594 transitions. [2022-02-10 21:59:07,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 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) [2022-02-10 21:59:07,937 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 594 transitions. [2022-02-10 21:59:07,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-02-10 21:59:07,938 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:59:07,938 INFO L515 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] [2022-02-10 21:59:07,938 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-10 21:59:07,938 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-02-10 21:59:07,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:59:07,939 INFO L85 PathProgramCache]: Analyzing trace with hash -2065471548, now seen corresponding path program 1 times [2022-02-10 21:59:07,939 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:59:07,939 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789037438] [2022-02-10 21:59:07,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:59:07,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:59:07,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:59:08,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:59:08,009 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:59:08,009 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789037438] [2022-02-10 21:59:08,010 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789037438] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:59:08,010 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:59:08,010 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-10 21:59:08,010 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991033151] [2022-02-10 21:59:08,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:59:08,010 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-10 21:59:08,010 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:59:08,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-10 21:59:08,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-02-10 21:59:08,011 INFO L87 Difference]: Start difference. First operand 365 states and 594 transitions. Second operand has 9 states, 9 states have (on average 8.0) internal successors, (72), 9 states have internal predecessors, (72), 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) [2022-02-10 21:59:08,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:59:08,158 INFO L93 Difference]: Finished difference Result 357 states and 580 transitions. [2022-02-10 21:59:08,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-10 21:59:08,158 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 9 states have internal predecessors, (72), 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 72 [2022-02-10 21:59:08,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:59:08,159 INFO L225 Difference]: With dead ends: 357 [2022-02-10 21:59:08,159 INFO L226 Difference]: Without dead ends: 357 [2022-02-10 21:59:08,160 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=154, Invalid=446, Unknown=0, NotChecked=0, Total=600 [2022-02-10 21:59:08,161 INFO L934 BasicCegarLoop]: 119 mSDtfsCounter, 217 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 639 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 21:59:08,161 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [217 Valid, 639 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 21:59:08,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2022-02-10 21:59:08,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 357. [2022-02-10 21:59:08,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 355 states have (on average 1.6338028169014085) internal successors, (580), 356 states have internal predecessors, (580), 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) [2022-02-10 21:59:08,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 580 transitions. [2022-02-10 21:59:08,186 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 580 transitions. Word has length 72 [2022-02-10 21:59:08,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:59:08,187 INFO L470 AbstractCegarLoop]: Abstraction has 357 states and 580 transitions. [2022-02-10 21:59:08,187 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 9 states have internal predecessors, (72), 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) [2022-02-10 21:59:08,187 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 580 transitions. [2022-02-10 21:59:08,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-02-10 21:59:08,187 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:59:08,187 INFO L515 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] [2022-02-10 21:59:08,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-10 21:59:08,188 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-02-10 21:59:08,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:59:08,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1502704494, now seen corresponding path program 1 times [2022-02-10 21:59:08,189 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:59:08,189 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386318288] [2022-02-10 21:59:08,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:59:08,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:59:08,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:59:08,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:59:08,331 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:59:08,331 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386318288] [2022-02-10 21:59:08,331 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386318288] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:59:08,331 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:59:08,331 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-10 21:59:08,331 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486414366] [2022-02-10 21:59:08,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:59:08,332 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-10 21:59:08,332 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:59:08,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-10 21:59:08,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-02-10 21:59:08,332 INFO L87 Difference]: Start difference. First operand 357 states and 580 transitions. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 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) [2022-02-10 21:59:08,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:59:08,407 INFO L93 Difference]: Finished difference Result 313 states and 498 transitions. [2022-02-10 21:59:08,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-10 21:59:08,408 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 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 77 [2022-02-10 21:59:08,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:59:08,409 INFO L225 Difference]: With dead ends: 313 [2022-02-10 21:59:08,409 INFO L226 Difference]: Without dead ends: 309 [2022-02-10 21:59:08,409 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-02-10 21:59:08,410 INFO L934 BasicCegarLoop]: 78 mSDtfsCounter, 216 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 21:59:08,410 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [216 Valid, 189 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 21:59:08,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2022-02-10 21:59:08,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 309. [2022-02-10 21:59:08,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 308 states have (on average 1.5974025974025974) internal successors, (492), 308 states have internal predecessors, (492), 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) [2022-02-10 21:59:08,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 492 transitions. [2022-02-10 21:59:08,415 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 492 transitions. Word has length 77 [2022-02-10 21:59:08,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:59:08,415 INFO L470 AbstractCegarLoop]: Abstraction has 309 states and 492 transitions. [2022-02-10 21:59:08,415 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 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) [2022-02-10 21:59:08,415 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 492 transitions. [2022-02-10 21:59:08,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-02-10 21:59:08,416 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:59:08,416 INFO L515 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] [2022-02-10 21:59:08,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-10 21:59:08,416 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-02-10 21:59:08,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:59:08,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1018385493, now seen corresponding path program 1 times [2022-02-10 21:59:08,417 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:59:08,417 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546088662] [2022-02-10 21:59:08,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:59:08,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:59:08,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:59:08,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:59:08,499 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:59:08,499 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546088662] [2022-02-10 21:59:08,499 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546088662] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:59:08,499 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:59:08,499 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-10 21:59:08,500 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151429717] [2022-02-10 21:59:08,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:59:08,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-10 21:59:08,500 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:59:08,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-10 21:59:08,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-02-10 21:59:08,501 INFO L87 Difference]: Start difference. First operand 309 states and 492 transitions. Second operand has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 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) [2022-02-10 21:59:08,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:59:08,640 INFO L93 Difference]: Finished difference Result 303 states and 482 transitions. [2022-02-10 21:59:08,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-10 21:59:08,640 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 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 [2022-02-10 21:59:08,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:59:08,640 INFO L225 Difference]: With dead ends: 303 [2022-02-10 21:59:08,640 INFO L226 Difference]: Without dead ends: 0 [2022-02-10 21:59:08,641 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=295, Unknown=0, NotChecked=0, Total=380 [2022-02-10 21:59:08,642 INFO L934 BasicCegarLoop]: 116 mSDtfsCounter, 119 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 21:59:08,642 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 617 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 21:59:08,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-10 21:59:08,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-10 21:59:08,643 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) [2022-02-10 21:59:08,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-10 21:59:08,643 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 84 [2022-02-10 21:59:08,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:59:08,643 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-10 21:59:08,643 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 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) [2022-02-10 21:59:08,643 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-10 21:59:08,644 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-10 21:59:08,645 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-02-10 21:59:08,646 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2022-02-10 21:59:08,646 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2022-02-10 21:59:08,646 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 4 remaining) [2022-02-10 21:59:08,646 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-10 21:59:08,650 INFO L733 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 21:59:08,651 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-10 21:59:08,651 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-10 21:59:08,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.02 09:59:08 BasicIcfg [2022-02-10 21:59:08,653 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-10 21:59:08,653 INFO L158 Benchmark]: Toolchain (without parser) took 3180.39ms. Allocated memory was 192.9MB in the beginning and 240.1MB in the end (delta: 47.2MB). Free memory was 140.4MB in the beginning and 145.7MB in the end (delta: -5.3MB). Peak memory consumption was 42.5MB. Max. memory is 8.0GB. [2022-02-10 21:59:08,653 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 192.9MB. Free memory was 158.4MB in the beginning and 158.2MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-10 21:59:08,653 INFO L158 Benchmark]: CACSL2BoogieTranslator took 287.28ms. Allocated memory is still 192.9MB. Free memory was 140.2MB in the beginning and 158.3MB in the end (delta: -18.0MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. [2022-02-10 21:59:08,654 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.32ms. Allocated memory is still 192.9MB. Free memory was 158.3MB in the beginning and 156.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-10 21:59:08,654 INFO L158 Benchmark]: Boogie Preprocessor took 14.47ms. Allocated memory is still 192.9MB. Free memory was 156.2MB in the beginning and 154.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-10 21:59:08,654 INFO L158 Benchmark]: RCFGBuilder took 327.66ms. Allocated memory is still 192.9MB. Free memory was 154.6MB in the beginning and 141.0MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-02-10 21:59:08,654 INFO L158 Benchmark]: TraceAbstraction took 2515.76ms. Allocated memory was 192.9MB in the beginning and 240.1MB in the end (delta: 47.2MB). Free memory was 140.4MB in the beginning and 145.7MB in the end (delta: -5.2MB). Peak memory consumption was 43.0MB. Max. memory is 8.0GB. [2022-02-10 21:59:08,656 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 192.9MB. Free memory was 158.4MB in the beginning and 158.2MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 287.28ms. Allocated memory is still 192.9MB. Free memory was 140.2MB in the beginning and 158.3MB in the end (delta: -18.0MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 30.32ms. Allocated memory is still 192.9MB. Free memory was 158.3MB in the beginning and 156.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 14.47ms. Allocated memory is still 192.9MB. Free memory was 156.2MB in the beginning and 154.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 327.66ms. Allocated memory is still 192.9MB. Free memory was 154.6MB in the beginning and 141.0MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 2515.76ms. Allocated memory was 192.9MB in the beginning and 240.1MB in the end (delta: 47.2MB). Free memory was 140.4MB in the beginning and 145.7MB in the end (delta: -5.2MB). Peak memory consumption was 43.0MB. 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 129 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1515 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1515 mSDsluCounter, 4064 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3087 mSDsCounter, 147 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 676 IncrementalHoareTripleChecker+Invalid, 823 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 147 mSolverCounterUnsat, 997 mSDtfsCounter, 676 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 141 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 395 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=729occurred in iteration=2, InterpolantAutomatonStates: 117, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 324 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 591 NumberOfCodeBlocks, 591 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 582 ConstructedInterpolants, 0 QuantifiedInterpolants, 1881 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-02-10 21:59:08,687 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...